{"id":867,"date":"2024-08-01T10:54:43","date_gmt":"2024-08-01T08:54:43","guid":{"rendered":"https:\/\/oleg-vyskrebentsev.com\/wordpress\/?p=867"},"modified":"2024-08-01T11:20:03","modified_gmt":"2024-08-01T09:20:03","slug":"generator-belogo-shuma-mnogo-shuma-iz-nichego-verilog","status":"publish","type":"post","link":"https:\/\/oleg-vyskrebentsev.com\/wordpress\/generator-belogo-shuma-mnogo-shuma-iz-nichego-verilog\/","title":{"rendered":"\u0413\u0435\u043d\u0435\u0440\u0430\u0442\u043e\u0440 \u0431\u0435\u043b\u043e\u0433\u043e \u0448\u0443\u043c\u0430. \u041c\u043d\u043e\u0433\u043e \u0448\u0443\u043c\u0430 \u0438\u0437 \u043d\u0438\u0447\u0435\u0433\u043e. Verilog."},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u0413\u0435\u043d\u0435\u0440\u0430\u0442\u043e\u0440 \u0431\u0435\u043b\u043e\u0433\u043e \u0448\u0443\u043c\u0430. \u0422\u0430\u043a \u0441\u043b\u0443\u0447\u0430\u0435\u0442\u0441\u044f \u0438\u043d\u043e\u0433\u0434\u0430 \u0441 \u043a\u0430\u0436\u0434\u044b\u043c. \u041c\u0435\u0441\u0442\u043e \u0443\u0442\u043e\u043d\u0447\u0435\u043d\u043d\u043e\u0433\u043e \u0438 \u0442\u0449\u0430\u0442\u0435\u043b\u044c\u043d\u043e \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u043f\u043e\u0440\u044f\u0434\u043a\u0430 \u0437\u0430\u043d\u0438\u043c\u0430\u0435\u0442 \u0431\u0435\u0441\u043f\u0440\u043e\u0441\u0432\u0435\u0442\u043d\u044b\u0439 \u0445\u0430\u043e\u0441. \u041f\u0440\u0438\u0447\u0435\u043c \u0447\u0435\u043c \u043f\u043b\u043e\u0442\u043d\u0435\u0435 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043c\u043e\u0449\u043d\u043e\u0441\u0442\u0438 \u0432 \u0441\u043f\u0435\u043a\u0442\u0440\u0435 \u0442\u0435\u043c \u043b\u0443\u0447\u0448\u0435. \u041d\u0435 \u0431\u0443\u0434\u0443 \u0434\u043e\u043b\u0433\u043e \u0445\u043e\u0434\u0438\u0442\u044c \u0432\u043e\u043a\u0440\u0443\u0433 \u0434\u0430 \u043e\u043a\u043e\u043b\u043e \u043e\u0431\u044a\u044f\u0441\u043d\u044f\u044f \u043f\u043e\u0447\u0435\u043c\u0443 \u044d\u0442\u043e \u0412\u0430\u043c \u043f\u0440\u043e\u0441\u0442\u043e \u0436\u0438\u0437\u043d\u0435\u043d\u043d\u043e \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e, \u043f\u0440\u0438\u0432\u0435\u0434\u0443 \u043f\u0440\u0438\u043c\u0435\u0440 \u043a\u043e\u0434\u0430. \u0411\u043e\u043b\u044c\u0448\u043e\u0433\u043e \u0438 \u043e\u0447\u0435\u043d\u044c \u0431\u043e\u043b\u044c\u0448\u043e\u0433\u043e.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u041d\u043e \u043e\u0431\u044a\u044f\u0441\u043d\u0438\u0442\u044c \u043a\u043e\u0435-\u0447\u0442\u043e \u0432\u0441\u0435 \u0436\u0435 \u043f\u0440\u0438\u0434\u0435\u0442\u0441\u044f. \u042d\u043a\u0441\u043f\u0435\u0440\u0442\u043d\u043e\u0435 \u0441\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0447\u0438\u0442\u0430\u0435\u0442 \u0447\u0442\u043e \u043b\u0443\u0447\u0448\u0438\u043c \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u043e\u043c \u0434\u043b\u044f \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0431\u0435\u043b\u043e\u0433\u043e \u0448\u0443\u043c\u0430 \u0435\u0441\u0442\u044c \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c \u0433\u0435\u043d\u0435\u0440\u0430\u0442\u043e\u0440\u0430 \u041c\u0435\u0440\u0441\u0435\u043d\u043d\u0430-\u0422\u0432\u0438\u0441\u0442\u0435\u0440\u0430. \u041d\u043e \u044d\u0442\u043e \u0435\u0441\u043b\u0438 \u0443 \u0412\u0430\u0441 \u043e\u0447\u0435\u043d\u044c \u0431\u043e\u043b\u044c\u0448\u0430\u044f \u043c\u0438\u043a\u0440\u043e\u0441\u0445\u0435\u043c\u0430 FPGA, \u0441 2-\u043c\u044f \u0440\u0443\u0447\u043a\u0430\u043c\u0438 \u0434\u043b\u044f \u043f\u0435\u0440\u0435\u043d\u043e\u0441\u043a\u0438 \u0438 \u0435\u0441\u0442\u044c \u043d\u0430\u0441\u0442\u043e\u044f\u0449\u0438\u0439 \u0434\u0440\u0443\u0433 \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u043e\u043c\u043e\u0436\u0435\u0442 \u0435\u0435 \u043f\u0435\u0440\u0435\u043d\u043e\u0441\u0438\u0442\u044c. \u0417\u043d\u0430\u0447\u0438\u0442 \u0412\u0430\u043c \u043e\u0447\u0435\u043d\u044c \u0441\u0438\u043b\u044c\u043d\u043e \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c \u0413\u0435\u043d\u0435\u0440\u0430\u0442\u043e\u0440 \u0431\u0435\u043b\u043e\u0433\u043e \u0448\u0443\u043c\u0430.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0418\u0442\u0430\u043a, \u043a\u043e\u0434 \u0432 \u0441\u0442\u0443\u0434\u0438\u044e:<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">noise_generator.v<\/h2>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nmodule noise_generator (\n    input wire clk,\n    input wire clk_en,\n    input wire rst,\n    output reg &#x5B;15:0] noise_out\n);\n    \/\/ \u041f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u044b \u0433\u0435\u043d\u0435\u0440\u0430\u0442\u043e\u0440\u0430 Mersenne Twister\n    reg &#x5B;31:0] mt &#x5B;0:623];\n    integer i;\n    integer index;\n    reg &#x5B;31:0] y;\n    reg &#x5B;31:0] seed;\n\n    initial begin\n        seed = 32&#039;h12345678; \/\/ \u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0441\u0435\u043c\u0435\u043d\u0438\n        mt&#x5B;0] = seed;\n        for (i = 1; i &amp;lt; 624; i = i + 1) begin\n            mt&#x5B;i] = 32&#039;h6c078965 * (mt&#x5B;i - 1] ^ (mt&#x5B;i - 1] &gt;&gt; 30)) + i;\n        end\n        index = 624;\n    end\n\n    always @(posedge clk or posedge rst) begin\n        if (rst) begin\n            index &amp;lt;= 624;\n        end else if (clk_en) begin\n            if (index &gt;= 624) begin\n                for (i = 0; i &amp;lt; 624; i = i + 1) begin\n                    y = (mt&#x5B;i] &amp;amp; 32&#039;h80000000) + (mt&#x5B;(i + 1) % 624] &amp;amp; 32&#039;h7fffffff);\n                    mt&#x5B;i] = mt&#x5B;(i + 397) % 624] ^ (y &gt;&gt; 1);\n                    if (y % 2 != 0) begin\n                        mt&#x5B;i] = mt&#x5B;i] ^ 32&#039;h9908b0df;\n                    end\n                end\n                index = 0;\n            end\n            y = mt&#x5B;index];\n            y = y ^ (y &gt;&gt; 11);\n            y = y ^ ((y &amp;lt;&amp;lt; 7) &amp;amp; 32&#039;h9d2c5680);\n            y = y ^ ((y &amp;lt;&amp;lt; 15) &amp;amp; 32&#039;hefc60000);\n            y = y ^ (y &gt;&gt; 18);\n            \n            \/\/ \u041f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0432 \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u043a\u043e\u0434\n            noise_out &amp;lt;= y&#x5B;15:0];\n            index = index + 1;\n        end\n    end\nendmodule\n\n<\/pre><\/div>\n\n\n<h2 class=\"wp-block-heading\">tb_noise_generator.v<\/h2>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\n`timescale 1ns\/1ps\n\nmodule tb_noise_generator;\n\n    reg clk;\n    reg clk_en;\n    reg rst;\n    wire &#x5B;15:0] noise_out;\n    integer file;\n\n    noise_generator uut (\n        .clk(clk),\n        .clk_en(clk_en),\n        .rst(rst),\n        .noise_out(noise_out)\n    );\n\n    initial begin\n        $dumpfile(&quot;noise_generator.vcd&quot;); \/\/ \u0418\u043c\u044f VCD \u0444\u0430\u0439\u043b\u0430\n        $dumpvars(0, tb_noise_generator); \/\/ \u0418\u043c\u044f \u043c\u043e\u0434\u0443\u043b\u044f \u0442\u0435\u0441\u0442\u0431\u0435\u043d\u0447\u0430\n\n        clk = 0;\n        clk_en = 1;\n        rst = 1;\n        file = $fopen(&quot;noise_output.bin&quot;, &quot;wb&quot;);\n        if (file == 0) begin\n            $display(&quot;Error opening file!&quot;);\n            $finish;\n        end\n        #10 rst = 0;\n        #1000000 $stop;\n    end\n\n    always #5 clk = ~clk;\n\n    always @(posedge clk) begin\n        if (!rst) begin\n            $fwrite(file, &quot;%c%c&quot;, noise_out&#x5B;7:0], noise_out&#x5B;15:8]);\n        end\n    end\n\n    initial begin\n        #1000000 $fclose(file);\n    end\n\nendmodule\n\n<\/pre><\/div>\n\n\n<h2 class=\"wp-block-heading\">\u041a\u043e\u043c\u043f\u0438\u043b\u044f\u0446\u0438\u044f \u0438 \u0441\u0438\u043c\u0443\u043b\u044f\u0446\u0438\u044f \u0433\u0435\u043d\u0435\u0440\u0430\u0442\u043e\u0440\u0430 \u0431\u0435\u043b\u043e\u0433\u043e \u0448\u0443\u043c\u0430<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u041a\u043e\u043c\u043f\u0438\u043b\u044f\u0446\u0438\u044f Verilog \u0444\u0430\u0439\u043b\u043e\u0432 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e <code>iverilog<\/code>:<\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\niverilog -o noise_sim tb_noise_generator.v noise_generator.v\n\n<\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u0417\u0430\u043f\u0443\u0441\u043a \u0441\u0438\u043c\u0443\u043b\u044f\u0446\u0438\u0438:<\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nvvp noise_sim\n\n<\/pre><\/div>\n\n\n<h2 class=\"wp-block-heading\">\u0412\u0438\u0437\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u0433\u0435\u043d\u0435\u0440\u0430\u0442\u043e\u0440\u0430 \u0431\u0435\u043b\u043e\u0433\u043e \u0448\u0443\u043c\u0430 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e Python<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u0421\u043e\u0437\u0434\u0430\u0439\u0442\u0435 \u0444\u0430\u0439\u043b <code>plot_spectrogram.py<\/code> \u0441\u043e \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u043c \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u044b\u043c:<\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nimport numpy as np\nimport matplotlib.pyplot as plt\nfrom vcdvcd import VCDVCD\n\n# \u041e\u0442\u043a\u0440\u044b\u0442\u0438\u0435 VCD \u0444\u0430\u0439\u043b\u0430\nvcd_path = &#039;noise_generator.vcd&#039;\nvcd = VCDVCD(vcd_path)\n\n# \u041d\u0430\u0445\u043e\u0434\u0438\u043c \u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u044b\u0439 \u043f\u0443\u0442\u044c \u043a \u0441\u0438\u0433\u043d\u0430\u043b\u0443\nsignal_path = &#039;tb_noise_generator.uut.noise_out&#x5B;15:0]&#039;\nif signal_path not in vcd.signals:\n    raise ValueError(f&#039;Signal {signal_path} not found in VCD file.&#039;)\n\nsignal_data = vcd&#x5B;signal_path]\n\n# \u0418\u0437\u0432\u043b\u0435\u043a\u0430\u0435\u043c \u0432\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0435 \u043c\u0435\u0442\u043a\u0438 \u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f\ntimes = &#x5B;]\nvalues = &#x5B;]\nfor tv in signal_data.tv:\n    # \u0418\u0433\u043d\u043e\u0440\u0438\u0440\u0443\u0435\u043c \u043d\u0435\u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u044b\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f &#039;x&#039;\n    if tv&#x5B;1] != &#039;x&#039;:\n        times.append(tv&#x5B;0])\n        values.append(int(tv&#x5B;1], 2))\n\n# \u041f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439 \u043a signed 16-bit integer\nvalues = np.array(values, dtype=np.int32)\nvalues = np.where(values &gt; 32767, values - 65536, values)\n\n# \u0423\u0431\u0435\u0434\u0438\u043c\u0441\u044f, \u0447\u0442\u043e \u0434\u0430\u043d\u043d\u044b\u0435 \u043d\u0435 \u043f\u0443\u0441\u0442\u044b\nif len(values) == 0:\n    raise ValueError(&#039;No data found in the specified signal.&#039;)\n\n# \u041f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u0435 \u0441\u043f\u0435\u043a\u0442\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b\nplt.figure()\nplt.specgram(values, Fs=1e6)\nplt.ylabel(&#039;Frequency &#x5B;Hz]&#039;)\nplt.xlabel(&#039;Time &#x5B;s]&#039;)\nplt.title(&#039;Spectrogram of Noise Signal from VCD&#039;)\nplt.colorbar(label=&#039;Intensity &#x5B;dB]&#039;)\n\n# \u0427\u0442\u0435\u043d\u0438\u0435 \u0431\u0438\u043d\u0430\u0440\u043d\u043e\u0433\u043e \u0444\u0430\u0439\u043b\u0430\nbin_file_path = &#039;noise_output.bin&#039;\nwith open(bin_file_path, &#039;rb&#039;) as f:\n    bin_data = f.read()\n\n# \u041f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0431\u0438\u043d\u0430\u0440\u043d\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 \u043c\u0430\u0441\u0441\u0438\u0432 numpy\nbin_values = np.frombuffer(bin_data, dtype=np.int16)\n\n# \u0423\u0431\u0435\u0434\u0438\u043c\u0441\u044f, \u0447\u0442\u043e \u0434\u0430\u043d\u043d\u044b\u0435 \u043d\u0435 \u043f\u0443\u0441\u0442\u044b\nif len(bin_values) == 0:\n    raise ValueError(&#039;No data found in the binary file.&#039;)\n\n# \u041f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u0435 \u0441\u043f\u0435\u043a\u0442\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b \u0434\u043b\u044f \u0434\u0430\u043d\u043d\u044b\u0445 \u0438\u0437 \u0431\u0438\u043d\u0430\u0440\u043d\u043e\u0433\u043e \u0444\u0430\u0439\u043b\u0430\nplt.figure()\nplt.specgram(bin_values, Fs=1e6)\nplt.ylabel(&#039;Frequency &#x5B;Hz]&#039;)\nplt.xlabel(&#039;Time &#x5B;s]&#039;)\nplt.title(&#039;Spectrogram of Noise Signal from Binary File&#039;)\nplt.colorbar(label=&#039;Intensity &#x5B;dB]&#039;)\n\nplt.show()\n\n<\/pre><\/div>\n\n\n<h2 class=\"wp-block-heading\">\u0417\u0430\u043f\u0443\u0441\u0442\u0438\u0442\u0435 \u0441\u043a\u0440\u0438\u043f\u0442 Python \u0434\u043b\u044f \u0432\u0438\u0437\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0441\u043f\u0435\u043a\u0442\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b \u0433\u0435\u043d\u0435\u0440\u0430\u0442\u043e\u0440\u0430 \u0431\u0435\u043b\u043e\u0433\u043e \u0448\u0443\u043c\u0430:<\/h2>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\npython3 plot_spectrogram.py\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">\u0411\u0443\u0434\u0443\u0442 \u043b\u0438 \u043e\u0448\u0438\u0431\u043a\u0438 \u043f\u0440\u0438 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0446\u0438\u0438 \u0432 \u0412\u0430\u0448\u0435\u043c \u0441\u043b\u0443\u0447\u0430\u0435? \u0421\u043a\u043e\u0440\u0435\u0435 \u0432\u0441\u0435\u0433\u043e \u0434\u0430. \u0414\u043e\u0440\u043e\u0433\u0443 \u043e\u0441\u0438\u043b\u0438\u0442 \u0438\u0434\u0443\u0449\u0438\u0439. \u041f\u0440\u043e\u0434\u043e\u043b\u0436\u0435\u043d\u0438\u0435 \u0441\u043b\u0435\u0434\u0443\u0435\u0442, \u0438 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u0440\u0430\u0437 \u0431\u0443\u0434\u0435\u0442 \u043c\u043b\u0430\u0434\u0448\u0438\u0439 \u0431\u0440\u0430\u0442 \u044d\u0442\u043e\u0433\u043e \u0433\u0435\u043d\u0435\u0440\u0430\u0442\u043e\u0440\u0430 \u0431\u0435\u043b\u043e\u0433\u043e \u0448\u0443\u043c\u0430, \u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0449\u0438\u0439 \u043c\u0430\u043b\u043e \u043c\u0435\u0441\u0442\u0430 \u0438 \u0432\u0435\u0441\u044c\u043c\u0430 \u043d\u0435\u043f\u043b\u043e\u0445\u043e \u0436\u0438\u0432\u0443\u0449\u0438\u0439.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0427\u0442\u043e\u0431\u044b \u0441\u043e\u0437\u0434\u0430\u0442\u044c \u0433\u0435\u043d\u0435\u0440\u0430\u0442\u043e\u0440 \u0448\u0443\u043c\u0430 \u0432\u044b\u0441\u043e\u043a\u043e\u0433\u043e \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0430, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u043e\u043c\u0435\u0441\u0442\u0438\u0442\u0441\u044f \u0432 \u043d\u0435 \u0431\u043e\u043b\u0435\u0435 \u0447\u0435\u043c 1000 \u043b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u044f\u0447\u0435\u0435\u043a FPGA \u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442 \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c, \u0430\u043d\u0430\u043b\u043e\u0433\u0438\u0447\u043d\u044b\u0439 Mersenne Twister, \u043c\u043e\u0436\u043d\u043e \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0435\u0442\u044c \u0431\u043e\u043b\u0435\u0435 \u043f\u0440\u043e\u0441\u0442\u044b\u0435, \u043d\u043e \u0432\u0441\u0435 \u0436\u0435 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u044b\u0435 \u043c\u0435\u0442\u043e\u0434\u044b, \u0442\u0430\u043a\u0438\u0435 \u043a\u0430\u043a \u043a\u043e\u043c\u0431\u0438\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u043b\u0438\u043d\u0435\u0439\u043d\u044b\u0435 \u043a\u043e\u043d\u0433\u0440\u0443\u044d\u043d\u0442\u043d\u044b\u0435 \u0433\u0435\u043d\u0435\u0440\u0430\u0442\u043e\u0440\u044b (Combined Linear Congruential Generators, CLCG). \u042d\u0442\u043e\u0442 \u043c\u0435\u0442\u043e\u0434 \u0442\u0440\u0435\u0431\u0443\u0435\u0442 \u043c\u0435\u043d\u044c\u0448\u0435 \u0440\u0435\u0441\u0443\u0440\u0441\u043e\u0432, \u043d\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u0435\u0442 \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0439 \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u044b\u0439 \u0448\u0443\u043c. \u041d\u043e \u044d\u0442\u043e \u043a\u043e\u043d\u0435\u0447\u043d\u043e \u0442\u043e\u0436\u0435 \u043d\u0435 \u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u0432\u043e\u043f\u0440\u043e\u0441\u0430 \u0441\u0443\u0434\u044f \u043f\u043e \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0443.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0413\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u044f \u0433\u0430\u0443\u0441\u0441\u043e\u0432\u0441\u043a\u043e\u0433\u043e \u0448\u0443\u043c\u0430 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u0430, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043c\u043e\u0436\u043d\u043e \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u043d\u0430 FPGA \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u043d\u043e\u0433\u043e \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u0430 \u043b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u044f\u0447\u0435\u0435\u043a, \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0430 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043c\u0435\u0442\u043e\u0434\u0430 \u0411\u043e\u043a\u0441\u0430-\u041c\u044e\u043b\u043b\u0435\u0440\u0430 (Box-Muller). \u042d\u0442\u043e\u0442 \u043c\u0435\u0442\u043e\u0434 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0433\u0435\u043d\u0435\u0440\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0433\u0430\u0443\u0441\u0441\u043e\u0432\u0441\u043a\u0438\u0439 \u0448\u0443\u043c \u0438\u0437 \u0434\u0432\u0443\u0445 \u043d\u0435\u0437\u0430\u0432\u0438\u0441\u0438\u043c\u044b\u0445 \u0440\u0430\u0432\u043d\u043e\u043c\u0435\u0440\u043d\u043e \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u044b\u0445 \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u044b\u0445 \u0447\u0438\u0441\u0435\u043b.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0414\u043b\u044f \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043d\u0430 Verilog \u0441 \u0443\u0447\u0435\u0442\u043e\u043c \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u043d\u043e\u0433\u043e \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u0430 \u043b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u044f\u0447\u0435\u0435\u043a, \u043d\u0430\u043c \u043d\u0443\u0436\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u044b\u0435 \u0441\u043f\u043e\u0441\u043e\u0431\u044b \u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u0438 \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u044b\u0445 \u0447\u0438\u0441\u0435\u043b \u0438 \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u044f \u043b\u043e\u0433\u0430\u0440\u0438\u0444\u043c\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0438 \u0442\u0440\u0438\u0433\u043e\u043d\u043e\u043c\u0435\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0444\u0443\u043d\u043a\u0446\u0438\u0439. \u0412\u043e\u0437\u043c\u043e\u0436\u043d\u043e \u043f\u0440\u0438\u043c\u0435\u043d\u0438\u0442\u044c \u0433\u0435\u043d\u0435\u0440\u0430\u0442\u043e\u0440 \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u044b\u0445 \u0447\u0438\u0441\u0435\u043b LFSR \u0438 \u043c\u0435\u0442\u043e\u0434 \u0411\u043e\u043a\u0441\u0430-\u041c\u044e\u043b\u043b\u0435\u0440\u0430 \u0434\u043b\u044f \u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u0438 \u0433\u0430\u0443\u0441\u0441\u043e\u0432\u0441\u043a\u043e\u0433\u043e \u0448\u0443\u043c\u0430.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0413\u0435\u043d\u0435\u0440\u0430\u0442\u043e\u0440 \u0431\u0435\u043b\u043e\u0433\u043e \u0448\u0443\u043c\u0430 \u043d\u0430 16 LFSR :<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u041f\u0440\u0438 \u0447\u0430\u0441\u0442\u043e\u0442\u0435 \u0434\u0438\u0441\u043a\u0440\u0435\u0442\u0438\u0437\u0430\u0446\u0438\u0438 38 \u041c\u0433\u0446 \u0438\u043b\u0438 19 \u043c\u0433\u0446 \u0441\u043f\u0435\u043a\u0442\u0440 \u0448\u0443\u043c\u0430 \u0434\u043e\u043b\u0436\u0435\u043d \u0431\u044b\u0442\u044c \u043b\u0438\u043d\u0435\u0435\u043d \u043f\u043e \u0443\u0440\u043e\u0432\u043d\u044e 3 \u0414\u0431 \u0434\u043e \u0447\u0430\u0441\u0442\u043e\u0442\u044b 2,5 \u041c\u0433\u0446<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0414\u043b\u044f \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u044f \u0448\u0443\u043c\u0430 \u0441 \u0442\u0440\u0435\u0431\u0443\u0435\u043c\u044b\u043c\u0438 \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a\u0430\u043c\u0438 \u0441\u043f\u0435\u043a\u0442\u0440\u0430, \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u043f\u0440\u0438\u043c\u0435\u043d\u0438\u0442\u044c \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0443\u043b\u0443\u0447\u0448\u0435\u043d\u0438\u0439 \u0432 \u0433\u0435\u043d\u0435\u0440\u0430\u0442\u043e\u0440\u0435 \u0448\u0443\u043c\u0430. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0448\u0430\u0433\u0438 \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0442 \u0443\u0432\u0435\u043b\u0438\u0447\u0435\u043d\u0438\u0435 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u0430 LFSR \u0438 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0444\u0438\u043b\u044c\u0442\u0440\u0430 \u0434\u043b\u044f \u0443\u043b\u0443\u0447\u0448\u0435\u043d\u0438\u044f \u0441\u043f\u0435\u043a\u0442\u0440\u0430\u043b\u044c\u043d\u044b\u0445 \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a. \u0426\u0435\u043b\u044c &#8212; \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0448\u0443\u043c, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0431\u0443\u0434\u0435\u0442 \u043b\u0438\u043d\u0435\u0439\u043d\u044b\u043c \u043f\u043e \u0443\u0440\u043e\u0432\u043d\u044e \u0434\u043e \u0447\u0430\u0441\u0442\u043e\u0442\u044b 2,5 \u041c\u0413\u0446 \u043f\u0440\u0438 \u0447\u0430\u0441\u0442\u043e\u0442\u0435 \u0434\u0438\u0441\u043a\u0440\u0435\u0442\u0438\u0437\u0430\u0446\u0438\u0438 38 \u041c\u0413\u0446 \u0438\u043b\u0438 19 \u041c\u0413\u0446.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">noise_generator.v<\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nmodule noise_generator (\n    input wire clk,\n    input wire clk_en,\n    input wire rst,\n    output reg &#x5B;15:0] noise_out\n);\n    \/\/ \u041f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u044b LFSR\n    reg &#x5B;31:0] lfsr &#x5B;0:15];\n    wire &#x5B;31:0] lfsr_feedback &#x5B;0:15];\n    integer i;\n\n    \/\/ \u041f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439 \u043a signed 16-bit integer \u0432 \u0434\u0432\u0443\u0445\u043a\u043e\u043c\u043f\u043b\u0435\u043c\u0435\u043d\u0442\u0430\u0440\u043d\u044b\u0439 \u043a\u043e\u0434\n    wire signed &#x5B;15:0] noise_twos_complement;\n    reg signed &#x5B;31:0] sum;\n    reg signed &#x5B;31:0] filtered_noise;\n\n    assign noise_twos_complement = sum&#x5B;15:0];\n\n    generate\n        genvar j;\n        for (j = 0; j &amp;lt; 16; j = j + 1) begin : lfsr_gen\n            assign lfsr_feedback&#x5B;j] = (lfsr&#x5B;j] &gt;&gt; 1) ^ (-(lfsr&#x5B;j] &amp;amp; 1) &amp;amp; 32&#039;h80000057);\n        end\n    endgenerate\n\n    always @(posedge clk or posedge rst) begin\n        if (rst) begin\n            lfsr&#x5B;0] &amp;lt;= 32&#039;h12345678;\n            lfsr&#x5B;1] &amp;lt;= 32&#039;h87654321;\n            lfsr&#x5B;2] &amp;lt;= 32&#039;h56781234;\n            lfsr&#x5B;3] &amp;lt;= 32&#039;h43218765;\n            lfsr&#x5B;4] &amp;lt;= 32&#039;habcdef01;\n            lfsr&#x5B;5] &amp;lt;= 32&#039;hfedcba98;\n            lfsr&#x5B;6] &amp;lt;= 32&#039;h0f1e2d3c;\n            lfsr&#x5B;7] &amp;lt;= 32&#039;h4b5a6978;\n            lfsr&#x5B;8] &amp;lt;= 32&#039;h78912345;\n            lfsr&#x5B;9] &amp;lt;= 32&#039;h98765432;\n            lfsr&#x5B;10] &amp;lt;= 32&#039;h23456789;\n            lfsr&#x5B;11] &amp;lt;= 32&#039;h34567890;\n            lfsr&#x5B;12] &amp;lt;= 32&#039;h45678901;\n            lfsr&#x5B;13] &amp;lt;= 32&#039;h56789012;\n            lfsr&#x5B;14] &amp;lt;= 32&#039;h67890123;\n            lfsr&#x5B;15] &amp;lt;= 32&#039;h78901234;\n            sum &amp;lt;= 0;\n            filtered_noise &amp;lt;= 0;\n        end else if (clk_en) begin\n            for (i = 0; i &amp;lt; 16; i = i + 1) begin\n                lfsr&#x5B;i] &amp;lt;= lfsr_feedback&#x5B;i];\n            end\n\n            \/\/ \u0421\u0443\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439 \u0434\u043b\u044f \u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u0438 Gaussian \u0448\u0443\u043c\u0430\n            sum &amp;lt;= lfsr&#x5B;0]&#x5B;15:0] + lfsr&#x5B;1]&#x5B;15:0] + lfsr&#x5B;2]&#x5B;15:0] + lfsr&#x5B;3]&#x5B;15:0] +\n                   lfsr&#x5B;4]&#x5B;15:0] + lfsr&#x5B;5]&#x5B;15:0] + lfsr&#x5B;6]&#x5B;15:0] + lfsr&#x5B;7]&#x5B;15:0] +\n                   lfsr&#x5B;8]&#x5B;15:0] + lfsr&#x5B;9]&#x5B;15:0] + lfsr&#x5B;10]&#x5B;15:0] + lfsr&#x5B;11]&#x5B;15:0] +\n                   lfsr&#x5B;12]&#x5B;15:0] + lfsr&#x5B;13]&#x5B;15:0] + lfsr&#x5B;14]&#x5B;15:0] + lfsr&#x5B;15]&#x5B;15:0];\n\n            \/\/ \u041a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u0444\u0438\u043b\u044c\u0442\u0440 \u0434\u043b\u044f \u0443\u043b\u0443\u0447\u0448\u0435\u043d\u0438\u044f \u0441\u043f\u0435\u043a\u0442\u0440\u0430 \u0448\u0443\u043c\u0430\n            filtered_noise &amp;lt;= (filtered_noise + sum) &gt;&gt; 1;\n\n            noise_out &amp;lt;= filtered_noise&#x5B;15:0];\n        end\n    end\nendmodule\n\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">\u042d\u0442\u043e\u0442 \u043a\u043e\u0434 \u0432\u043a\u043b\u044e\u0447\u0430\u0435\u0442 \u043f\u0440\u043e\u0441\u0442\u0435\u0439\u0448\u0438\u0439 \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u0444\u0438\u043b\u044c\u0442\u0440 (\u0446\u0438\u0444\u0440\u043e\u0432\u043e\u0439 \u0444\u0438\u043b\u044c\u0442\u0440 \u043f\u0435\u0440\u0432\u043e\u0433\u043e \u043f\u043e\u0440\u044f\u0434\u043a\u0430), \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u043e\u043c\u043e\u0433\u0430\u0435\u0442 \u0441\u0433\u043b\u0430\u0434\u0438\u0442\u044c \u0441\u043f\u0435\u043a\u0442\u0440 \u0448\u0443\u043c\u0430 \u0438 \u0443\u043c\u0435\u043d\u044c\u0448\u0438\u0442\u044c \u0437\u0430\u0432\u0430\u043b \u043d\u0438\u0436\u043d\u0438\u0445 \u0447\u0430\u0441\u0442\u043e\u0442.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">tb_noise_generator.v<\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nmodule tb_noise_generator;\n    reg clk;\n    reg clk_en;\n    reg rst;\n    wire &#x5B;15:0] noise_out;\n\n    noise_generator uut (\n        .clk(clk),\n        .clk_en(clk_en),\n        .rst(rst),\n        .noise_out(noise_out)\n    );\n\n    \/\/ \u0413\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u044f \u0442\u0430\u043a\u0442\u043e\u0432\u043e\u0433\u043e \u0441\u0438\u0433\u043d\u0430\u043b\u0430\n    initial begin\n        clk = 0;\n        forever begin\n            #5 clk = ~clk; \/\/ 100 MHz clock\n        end\n    end\n\n    integer file;\n    initial begin\n        \/\/ \u041e\u0442\u043a\u0440\u044b\u0442\u0438\u0435 \u0444\u0430\u0439\u043b\u0430 \u0434\u043b\u044f \u0431\u0438\u043d\u0430\u0440\u043d\u043e\u0433\u043e \u0432\u044b\u0432\u043e\u0434\u0430\n        file = $fopen(&quot;noise_output.bin&quot;, &quot;wb&quot;);\n\n        \/\/ \u0418\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u0432\u0445\u043e\u0434\u043e\u0432\n        clk_en = 1;\n        rst = 1;\n        #10;\n        rst = 0;\n\n        \/\/ \u0417\u0430\u043f\u0443\u0441\u043a \u0441\u0438\u043c\u0443\u043b\u044f\u0446\u0438\u0438 \u043d\u0430 \u0437\u0430\u0434\u0430\u043d\u043d\u043e\u0435 \u0432\u0440\u0435\u043c\u044f\n        #1000000; \/\/ 1ms\n\n        \/\/ \u0417\u0430\u043f\u0438\u0441\u044c \u0448\u0443\u043c\u0430 \u0432 \u0444\u0430\u0439\u043b\n        forever begin\n            @(posedge clk);\n            if (clk_en &amp;amp;&amp;amp; !rst) begin\n                \/\/ \u0417\u0430\u043f\u0438\u0441\u044c \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 \u0444\u0430\u0439\u043b \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 16-bit little-endian\n                $fwrite(file, &quot;%c%c&quot;, noise_out&#x5B;7:0], noise_out&#x5B;15:8]);\n            end\n        end\n\n        \/\/ \u0417\u0430\u043a\u0440\u044b\u0442\u0438\u0435 \u0444\u0430\u0439\u043b\u0430\n        $fclose(file);\n\n        $stop;\n    end\n\n    \/\/ \u0413\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u044f VCD \u0444\u0430\u0439\u043b\u0430\n    initial begin\n        $dumpfile(&quot;noise_generator.vcd&quot;);\n        $dumpvars(0, tb_noise_generator);\n    end\nendmodule\n\n\n<\/pre><\/div>\n\n\n<h2 class=\"wp-block-heading\">\u041e\u0446\u0435\u043d\u043a\u0430 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u0430 \u043b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u044f\u0447\u0435\u0435\u043a<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0439\u0442\u0435 Yosys \u0434\u043b\u044f \u043e\u0446\u0435\u043d\u043a\u0438 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u0430 \u043b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u044f\u0447\u0435\u0435\u043a:<\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nyosys -p &quot;synth_altera -top noise_generator&quot;\n\n<\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u041f\u043e\u0441\u043b\u0435 \u044d\u0442\u043e\u0433\u043e \u0432\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u043a\u043e\u043c\u0430\u043d\u0434\u043d\u044b\u0439 \u0444\u0430\u0439\u043b \u0434\u043b\u044f \u043e\u0446\u0435\u043d\u043a\u0438:<\/h3>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nread_verilog noise_generator.v\nsynth_altera -top noise_generator\nstat\n<\/pre><\/div>\n\n\n<h2 class=\"wp-block-heading\">\u0413\u0435\u043d\u0435\u0440\u0430\u0442\u043e\u0440 \u0431\u0435\u043b\u043e\u0433\u043e \u0448\u0443\u043c\u0430. \u0421\u0438\u043c\u0443\u043b\u044f\u0446\u0438\u044f \u0438 \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0417\u0430\u043f\u0443\u0441\u0442\u0438\u0442\u0435 \u0441\u0438\u043c\u0443\u043b\u044f\u0446\u0438\u044e, \u0447\u0442\u043e\u0431\u044b \u0443\u0431\u0435\u0434\u0438\u0442\u044c\u0441\u044f, \u0447\u0442\u043e \u0441\u043f\u0435\u043a\u0442\u0440 \u0448\u0443\u043c\u0430 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u0435\u0442 \u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u0438\u044f\u043c. \u0415\u0441\u043b\u0438 \u0437\u0430\u0432\u0430\u043b \u043d\u0438\u0436\u043d\u0438\u0445 \u0447\u0430\u0441\u0442\u043e\u0442 \u043e\u0441\u0442\u0430\u0435\u0442\u0441\u044f, \u043c\u043e\u0436\u043d\u043e \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u043f\u043e\u0434\u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0444\u0438\u043b\u044c\u0442\u0440 \u0438\u043b\u0438 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u044b LFSR.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0413\u0435\u043d\u0435\u0440\u0430\u0442\u043e\u0440 \u0431\u0435\u043b\u043e\u0433\u043e \u0448\u0443\u043c\u0430. \u0422\u0430\u043a \u0441\u043b\u0443\u0447\u0430\u0435\u0442\u0441\u044f \u0438\u043d\u043e\u0433\u0434\u0430 \u0441 \u043a\u0430\u0436\u0434\u044b\u043c. \u041c\u0435\u0441\u0442\u043e \u0443\u0442\u043e\u043d\u0447\u0435\u043d\u043d\u043e\u0433\u043e \u0438 \u0442\u0449\u0430\u0442\u0435\u043b\u044c\u043d\u043e \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u043f\u043e\u0440\u044f\u0434\u043a\u0430 \u0437\u0430\u043d\u0438\u043c\u0430\u0435\u0442 \u0431\u0435\u0441\u043f\u0440\u043e\u0441\u0432\u0435\u0442\u043d\u044b\u0439 \u0445\u0430\u043e\u0441. \u041f\u0440\u0438\u0447\u0435\u043c \u0447\u0435\u043c \u043f\u043b\u043e\u0442\u043d\u0435\u0435 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043c\u043e\u0449\u043d\u043e\u0441\u0442\u0438 \u0432 \u0441\u043f\u0435\u043a\u0442\u0440\u0435 \u0442\u0435\u043c \u043b\u0443\u0447\u0448\u0435. \u041d\u0435 \u0431\u0443\u0434\u0443 \u0434\u043e\u043b\u0433\u043e \u0445\u043e\u0434\u0438\u0442\u044c \u0432\u043e\u043a\u0440\u0443\u0433 \u0434\u0430 \u043e\u043a\u043e\u043b\u043e \u043e\u0431\u044a\u044f\u0441\u043d\u044f\u044f \u043f\u043e\u0447\u0435\u043c\u0443 \u044d\u0442\u043e \u0412\u0430\u043c \u043f\u0440\u043e\u0441\u0442\u043e \u0436\u0438\u0437\u043d\u0435\u043d\u043d\u043e \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e, \u043f\u0440\u0438\u0432\u0435\u0434\u0443 \u043f\u0440\u0438\u043c\u0435\u0440 \u043a\u043e\u0434\u0430. \u0411\u043e\u043b\u044c\u0448\u043e\u0433\u043e \u0438 \u043e\u0447\u0435\u043d\u044c \u0431\u043e\u043b\u044c\u0448\u043e\u0433\u043e. \u041d\u043e \u043e\u0431\u044a\u044f\u0441\u043d\u0438\u0442\u044c \u043a\u043e\u0435-\u0447\u0442\u043e \u0432\u0441\u0435 \u0436\u0435 \u043f\u0440\u0438\u0434\u0435\u0442\u0441\u044f. \u042d\u043a\u0441\u043f\u0435\u0440\u0442\u043d\u043e\u0435 \u0441\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0447\u0438\u0442\u0430\u0435\u0442 \u0447\u0442\u043e \u043b\u0443\u0447\u0448\u0438\u043c \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u043e\u043c \u0434\u043b\u044f [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-867","post","type-post","status-publish","format-standard","hentry","category-bez-rubriki"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u0413\u0435\u043d\u0435\u0440\u0430\u0442\u043e\u0440 \u0431\u0435\u043b\u043e\u0433\u043e \u0448\u0443\u043c\u0430. \u041c\u043d\u043e\u0433\u043e \u0448\u0443\u043c\u0430 \u0438\u0437 \u043d\u0438\u0447\u0435\u0433\u043e. Verilog. - Oleg Vyskrebentsev Com<\/title>\n<meta name=\"description\" content=\"\u0413\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u044f \u0431\u0435\u043b\u043e\u0433\u043e \u0448\u0443\u043c\u0430 \u043d\u0430 Verilog \u0413\u0435\u043d\u0435\u0440\u0430\u0442\u043e\u0440 \u0431\u0435\u043b\u043e\u0433\u043e \u0448\u0443\u043c\u0430. \u041c\u043d\u043e\u0433\u043e \u0448\u0443\u043c\u0430 \u0438\u0437 \u043d\u0438\u0447\u0435\u0433\u043e. 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