{"id":6094,"date":"2025-07-23T11:19:34","date_gmt":"2025-07-23T03:19:34","guid":{"rendered":"https:\/\/nullthought.net\/?p=6094"},"modified":"2025-07-24T15:32:10","modified_gmt":"2025-07-24T07:32:10","slug":"%e5%9f%ba%e4%ba%8efpga%e7%9a%84%e5%ba%94%e7%94%a8%e8%ae%be%e8%ae%a1%e7%a4%ba%e4%be%8b%ef%bc%8c%e4%bb%a5%e5%b7%a5%e4%b8%9a%e8%ae%be%e5%a4%87%e6%8c%af%e5%8a%a8%e7%9b%91%e6%b5%8b%e7%b3%bb%e7%bb%9f","status":"publish","type":"post","link":"https:\/\/nullthought.net\/?p=6094","title":{"rendered":"\u57fa\u4e8eFPGA\u7684\u5e94\u7528\u8bbe\u8ba1\u793a\u4f8b\uff0c\u4ee5\u5de5\u4e1a\u8bbe\u5907\u632f\u52a8\u76d1\u6d4b\u7cfb\u7edf\u4e3a\u4f8b"},"content":{"rendered":"\n<h4 class=\"wp-block-heading\">\u5e94\u7528\u573a\u666f\uff1a\u5de5\u4e1a\u632f\u52a8\u76d1\u6d4b\u7cfb\u7edf<\/h4>\n\n\n\n<p>\u7cfb\u7edf\u76ee\u6807\uff1a\u5b9e\u65f6\u91c7\u96c6\u591a\u4e2a\u52a0\u901f\u5ea6\u4f20\u611f\u5668\u4fe1\u53f7\uff08\u5982 3 \u8f74 MEMS\uff09\uff0c\u8fdb\u884c\u6ee4\u6ce2\u3001FFT \u5206\u6790\u3001\u9608\u503c\u5224\u65ad\uff0c\u5b9e\u65f6\u62a5\u8b66\uff0c\u5e76\u5c06\u7ed3\u679c\u901a\u8fc7\u4e32\u53e3\u6216\u4ee5\u592a\u7f51\u53d1\u9001\u7ed9\u4e3b\u63a7\u7cfb\u7edf\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e00\u3001\u7cfb\u7edf\u8bbe\u8ba1\u9700\u6c42<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u8f93\u5165<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u591a\u8def\u6a21\u62df\u4fe1\u53f7\u8f93\u5165\uff08\u52a0\u901f\u5ea6\u4f20\u611f\u5668\uff0c\u5e26 ADC\uff09<\/li>\n\n\n\n<li>SPI \u6216 I2C \u6570\u5b57\u63a5\u53e3<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u6838\u5fc3\u529f\u80fd<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u9ad8\u901f\u6570\u636e\u91c7\u96c6\uff08>10kHz \u591a\u901a\u9053\uff09<\/li>\n\n\n\n<li>\u5b9e\u65f6\u6570\u5b57\u6ee4\u6ce2\u3001FFT\uff08\u5bf9 FPGA \u8fd0\u7b97\u8d44\u6e90\u6709\u8981\u6c42\uff09<\/li>\n\n\n\n<li>\u5f02\u5e38\u68c0\u6d4b\uff08\u5982\u5305\u7edc\u5206\u6790\u3001\u9608\u503c\u5224\u65ad\uff09<\/li>\n\n\n\n<li>\u5b9e\u65f6\u8f93\u51fa\u5904\u7406\u7ed3\u679c\uff08UART \/ Ethernet\uff09<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u5176\u4ed6\u9700\u6c42<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u4f4e\u5ef6\u8fdf<\/li>\n\n\n\n<li>\u9ad8\u53ef\u9760\u6027\uff08\u5de5\u4e1a\u573a\u666f\uff09<\/li>\n\n\n\n<li>\u53ef\u5347\u7ea7\u6027\uff08\u903b\u8f91\u53ef\u590d\u7528\u3001\u53ef\u6269\u5c55\uff09<\/li>\n\n\n\n<li>\u7535\u6e90 +5V \u8f93\u5165\uff0c3.3V \/ 1.2V \u591a\u8def\u7535\u6e90\u7ba1\u7406<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e8c\u3001\u9009\u62e9 FPGA \u82af\u7247<\/h4>\n\n\n\n<p>\u6839\u636e\u4e0a\u8ff0\u9700\u6c42\uff0c\u4e3b\u8981\u8003\u8651\u4ee5\u4e0b\u56e0\u7d20\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u9009\u578b\u53c2\u6570<\/th><th>\u8bf4\u660e<\/th><\/tr><\/thead><tbody><tr><td>\u903b\u8f91\u8d44\u6e90<\/td><td>\u5b9e\u73b0\u6ee4\u6ce2\u3001FFT\u3001\u63a7\u5236\u903b\u8f91\u9700\u8981\u8f83\u591a\u903b\u8f91\u5355\u5143\uff08LUT\uff09<\/td><\/tr><tr><td>DSP \u8d44\u6e90<\/td><td>FFT \u8fd0\u7b97\u9700\u7528\u5230 DSP slice\uff0c\u9700\u8f83\u591a\u4e58\u6cd5\u5668<\/td><\/tr><tr><td>IO \u5f15\u811a\u6570<\/td><td>\u652f\u6301\u591a\u4e2a SPI \/ ADC \/ UART \/ GPIO<\/td><\/tr><tr><td>\u5185\u90e8 RAM<\/td><td>\u7528\u4e8e\u7f13\u5b58\u4f20\u611f\u5668\u6570\u636e\u3001FFT \u7a97\u53e3\u7f13\u5b58<\/td><\/tr><tr><td>\u4f9b\u7535\u4e0e\u5c01\u88c5<\/td><td>QFP \u66f4\u5bb9\u6613\u6253\u6837\u710a\u63a5\uff0cBGA \u5c01\u88c5\u66f4\u5c0f\u4f46\u590d\u6742\uff1b3.3V IO \u652f\u6301\u8f83\u5e7f\u6cdb<\/td><\/tr><tr><td>\u5f00\u53d1\u5de5\u5177\u652f\u6301<\/td><td>\u662f\u5426\u6709\u914d\u5957 IP\uff08\u5982 FFT IP\uff09\u3001\u8c03\u8bd5\u5de5\u5177\u3001\u5f00\u6e90\u9879\u76ee\u53c2\u8003\u7b49<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h5 class=\"wp-block-heading\">\u63a8\u8350\u578b\u53f7\u793a\u4f8b\uff08\u4e2d\u4f4e\u7aef\u5de5\u4e1a\u7ea7\u522b\uff09<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Xilinx Artix-7 \u7cfb\u5217<\/strong>\uff08\u5982 XC7A35T\uff09\n<ul class=\"wp-block-list\">\n<li>\u8db3\u591f\u7684\u903b\u8f91\u8d44\u6e90\u4e0e DSP slice<\/li>\n\n\n\n<li>Vivado \u5f00\u53d1\u73af\u5883\u652f\u6301 FFT\u3001UART\u3001SPI IP<\/li>\n\n\n\n<li>\u4f4e\u529f\u8017\u3001\u53ef\u9760<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Intel Cyclone IV \/ V \u7cfb\u5217<\/strong>\n<ul class=\"wp-block-list\">\n<li>Quartus Prime \u652f\u6301\uff0c\u8d44\u6e90\u914d\u7f6e\u5408\u7406<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Lattice ECP5<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u514d\u8d39\u5f00\u6e90\u5de5\u5177\uff08\u5982 Yosys + NextPNR\uff09\uff0c\u9002\u5408\u8f7b\u91cf\u5d4c\u5165\u5f0f FFT \u5904\u7406<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e09\u3001\u7535\u8def\u677f\u8bbe\u8ba1\u65b9\u6848\uff08\u7b80\u8981\uff09<\/h4>\n\n\n\n<h5 class=\"wp-block-heading\">\u6a21\u5757\u5212\u5206<\/h5>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u7535\u6e90\u6a21\u5757<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u91c7\u7528 DC-DC \u6a21\u5757\u5c06 +5V \u8f6c\u6362\u4e3a FPGA \u6240\u9700\u7684 3.3V\u30011.2V\u30011.8V \u7b49<\/li>\n\n\n\n<li>\u7535\u6e90\u65f6\u5e8f\u3001\u7535\u538b\u5bb9\u5dee\u9700\u9075\u5faa\u82af\u7247\u624b\u518c<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u65f6\u949f\u6a21\u5757<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u7247\u5916\u6676\u632f\uff08\u5e38\u89c1\u4e3a 50MHz \u6216 100MHz\uff09\u4f9b FPGA \u4f7f\u7528<\/li>\n\n\n\n<li>\u53ef\u9009 PLL \/ MMCM \u751f\u6210\u5176\u4ed6\u9891\u7387<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u6570\u636e\u91c7\u96c6\u6a21\u5757<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u6a21\u62df\u4fe1\u53f7\u901a\u8fc7 ADC\uff08\u5982 ADS1115 \u6216 AD7606\uff09\u8f6c\u6362\u4e3a\u6570\u5b57\u4fe1\u53f7<\/li>\n\n\n\n<li>\u4e0e FPGA \u901a\u8fc7 SPI \/ parallel bus \u901a\u4fe1<\/li>\n\n\n\n<li>\u6ee4\u6ce2\u5668\u8bbe\u8ba1\u53ef\u505a\u5728\u6a21\u62df\u7aef\u6216 FPGA \u5185\u90e8\uff08FIR\/IIR\uff09<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u901a\u8baf\u6a21\u5757<\/strong>\n<ul class=\"wp-block-list\">\n<li>UART\uff08RS232\/TTL\uff09\u3001RS485\u3001Ethernet PHY \u63a5\u53e3<\/li>\n\n\n\n<li>\u53ef\u9009 USB \u8f6c\u4e32\u53e3\u82af\u7247\uff08\u5982 CH340 \/ CP2102\uff09<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>JTAG \u63a5\u53e3<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u4e0b\u8f7d bitstream\uff0c\u8c03\u8bd5 FPGA<\/li>\n\n\n\n<li>\u53ef\u5e03\u8bbe\u6807\u51c6 6pin \/ 10pin JTAG \u63a5\u5934<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>FPGA \u4e3b\u63a7\u5355\u5143<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528 QFP\/BGA \u5c01\u88c5\u7684 FPGA \u82af\u7247<\/li>\n\n\n\n<li>\u52a0\u5165\u914d\u7f6e\u82af\u7247\uff08\u5982 SPI Flash\uff09\uff0c\u652f\u6301\u4e0a\u7535\u81ea\u52a8\u52a0\u8f7d bitstream<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u8c03\u8bd5 IO<\/strong>\n<ul class=\"wp-block-list\">\n<li>LED \u6307\u793a\u706f\u3001\u6309\u952e<\/li>\n\n\n\n<li>\u53ef\u63a5\u903b\u8f91\u5206\u6790\u4eea \/ \u793a\u6ce2\u5668\u89c2\u6d4b IO \u4fe1\u53f7<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\">\u56db\u3001FPGA \u7f16\u7a0b\u5f00\u53d1\u6d41\u7a0b<\/h4>\n\n\n\n<h5 class=\"wp-block-heading\">1. \u7cfb\u7edf\u67b6\u6784\u5212\u5206<\/h5>\n\n\n\n<p>\u5c06\u6574\u4e2a\u529f\u80fd\u5212\u5206\u4e3a\u591a\u4e2a\u5b50\u6a21\u5757\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6a21\u5757\u540d<\/th><th>\u529f\u80fd\u8bf4\u660e<\/th><\/tr><\/thead><tbody><tr><td>SPI \u63a7\u5236\u6a21\u5757<\/td><td>\u8bfb\u53d6 ADC \u6570\u636e<\/td><\/tr><tr><td>FIR \u6ee4\u6ce2\u6a21\u5757<\/td><td>\u4f4e\u901a \/ \u5e26\u901a\u6ee4\u6ce2\u5668<\/td><\/tr><tr><td>FFT \u6a21\u5757<\/td><td>\u5b9e\u65f6\u9891\u8c31\u5206\u6790<\/td><\/tr><tr><td>\u62a5\u8b66\u6a21\u5757<\/td><td>\u6839\u636e\u9891\u8c31\u80fd\u91cf\u5224\u65ad\u662f\u5426\u5f02\u5e38<\/td><\/tr><tr><td>\u4e32\u53e3\u6a21\u5757<\/td><td>\u5c06\u68c0\u6d4b\u7ed3\u679c\u53d1\u9001\u81f3\u4e0a\u4f4d\u673a<\/td><\/tr><tr><td>\u72b6\u6001\u673a\u63a7\u5236\u6a21\u5757<\/td><td>\u7ba1\u7406\u6570\u636e\u6d41\u3001\u8c03\u5ea6\u5404\u6a21\u5757<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h5 class=\"wp-block-heading\">2. \u7f16\u5199 Verilog\/VHDL \u6a21\u5757<\/h5>\n\n\n\n<p>\u793a\u4f8b\uff1aFFT \u63a5\u53e3\u63a7\u5236\u6a21\u5757\u4f2a\u4ee3\u7801\uff08Verilog\uff09\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><code>module fft_ctrl (<br>    input clk,<br>    input start,<br>    input [11:0] data_in,<br>    output reg fft_valid,<br>    output wire [15:0] fft_out<br>);<br>\/\/ \u72b6\u6001\u673a\u7ba1\u7406\u8f93\u5165\u3001\u7b49\u5f85\u3001\u8f93\u51fa<br>endmodule<br><\/code><\/pre>\n\n\n\n<p>\u914d\u5408 Vivado \u7684 FFT IP \u6838\uff08\u6216\u4f7f\u7528 FFT RTL \u5b9e\u73b0\uff09\uff0c\u8bbe\u7f6e\u70b9\u6570\u3001\u7a97\u51fd\u6570\u7b49\u3002<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">3. Testbench \u4eff\u771f<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9a8c\u8bc1\u6bcf\u4e2a\u6a21\u5757\u903b\u8f91\u662f\u5426\u6b63\u786e\uff0c\u65f6\u5e8f\u662f\u5426\u6ee1\u8db3\u8981\u6c42<\/li>\n\n\n\n<li>\u4f7f\u7528\u4eff\u771f\u5de5\u5177\uff08Vivado Simulator \/ ModelSim\uff09<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">4. \u96c6\u6210\u6a21\u5757\u4e0e\u9876\u5c42\u8bbe\u8ba1<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7f16\u5199 <code>top.v<\/code> \u9876\u5c42\u6587\u4ef6<\/li>\n\n\n\n<li>\u5c06\u5404\u6a21\u5757\u5b9e\u4f8b\u5316\u5e76\u8fde\u63a5<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">5. \u65f6\u5e8f\u7ea6\u675f &amp; \u8d44\u6e90\u7ea6\u675f<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>.xdc<\/code> \u6587\u4ef6\u4e2d\u6307\u5b9a\u65f6\u949f\u9891\u7387\u3001IO \u53e3\u5206\u914d<\/li>\n\n\n\n<li>\u4fdd\u8bc1\u8f93\u5165\u6570\u636e\u5728\u65f6\u949f\u8fb9\u6cbf\u91c7\u6837\u7a33\u5b9a\uff08setup\/hold \u65f6\u95f4\u6ee1\u8db3\uff09<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">6. \u7efc\u5408\u4e0e\u5b9e\u73b0\uff08Synthesis &amp; Implementation\uff09<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528 Vivado \/ Quartus \u751f\u6210\u7f51\u8868 \u2192 \u5e03\u5c40\u5e03\u7ebf \u2192 \u65f6\u5e8f\u9a8c\u8bc1<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">7. \u751f\u6210 Bitstream \u4e0b\u8f7d<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5c06 <code>.bit<\/code> \u6587\u4ef6\u4e0b\u8f7d\u81f3\u5f00\u53d1\u677f<\/li>\n\n\n\n<li>\u82e5\u6709 SPI Flash\uff0c\u5219\u914d\u7f6e\u81ea\u52a8\u542f\u52a8\u529f\u80fd<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">8. \u8c03\u8bd5\u4e0e\u4f18\u5316<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u63d2\u5165 ILA\uff08Integrated Logic Analyzer\uff09\u5b9e\u65f6\u89c2\u6d4b\u5185\u90e8\u4fe1\u53f7<\/li>\n\n\n\n<li>\u4f18\u5316\u8d44\u6e90\u5360\u7528\u3001\u8c03\u6574\u65f6\u949f\u57df\u3001\u63d0\u5347\u5904\u7406\u901f\u5ea6<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e94\u3001\u53ef\u9009\u6269\u5c55<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6dfb\u52a0\u8f6f\u6838 MCU<\/strong>\n<ul class=\"wp-block-list\">\n<li>Xilinx MicroBlaze \u63a7\u5236\u5916\u8bbe\u3001\u8bbe\u7f6e\u53c2\u6570\u3001\u5904\u7406\u975e\u5b9e\u65f6\u4efb\u52a1<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u4ee5\u592a\u7f51\u901a\u4fe1<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u96c6\u6210\u4ee5\u592a\u7f51 MAC\uff08\u5982 GMII\uff09+ IP \u6838\uff0c\u5b9e\u73b0\u8fdc\u7a0b\u6570\u636e\u4f20\u8f93<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Web\u53ef\u89c6\u5316\u754c\u9762<\/strong>\n<ul class=\"wp-block-list\">\n<li>FPGA \u6570\u636e \u2192 \u4e0a\u4f4d\u673a \u2192 \u663e\u793a\u5b9e\u65f6\u9891\u8c31\u3001\u72b6\u6001\u66f2\u7ebf<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>OTA \u5347\u7ea7\u673a\u5236<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u901a\u8fc7\u4e32\u53e3\u6216 SPI Flash \u5b9e\u73b0\u8fdc\u7a0b\u903b\u8f91\u5347\u7ea7<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\">\u516d\u3001\u5c0f\u7ed3<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u9636\u6bb5<\/th><th>\u5173\u952e\u4efb\u52a1<\/th><\/tr><\/thead><tbody><tr><td>\u9700\u6c42\u5206\u6790<\/td><td>\u660e\u786e\u6570\u636e\u91c7\u96c6\u901f\u7387\u3001\u8ba1\u7b97\u4efb\u52a1\u3001\u901a\u4fe1\u65b9\u5f0f\u7b49<\/td><\/tr><tr><td>FPGA \u82af\u7247\u9009\u62e9<\/td><td>\u7efc\u5408\u8003\u8651\u8d44\u6e90\u3001\u63a5\u53e3\u3001\u529f\u8017\u3001\u5f00\u53d1\u73af\u5883<\/td><\/tr><tr><td>\u7535\u8def\u677f\u8bbe\u8ba1<\/td><td>\u7535\u6e90\u7ba1\u7406\u3001ADC \u63a5\u53e3\u3001JTAG \u4e0b\u8f7d\u3001\u901a\u4fe1\u6a21\u5757<\/td><\/tr><tr><td>FPGA \u7f16\u7a0b<\/td><td>\u6a21\u5757\u5316\u8bbe\u8ba1 + HDL \u5f00\u53d1 + IP \u6838 + \u72b6\u6001\u673a\u63a7\u5236<\/td><\/tr><tr><td>\u8c03\u8bd5\u4e0e\u4f18\u5316<\/td><td>\u4eff\u771f + ILA \u5206\u6790 + \u65f6\u5e8f\u4fee\u6b63 + bitstream \u751f\u6210\u4e0b\u8f7d<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u5e94\u7528\u573a\u666f\uff1a\u5de5\u4e1a\u632f\u52a8\u76d1\u6d4b\u7cfb\u7edf \u7cfb\u7edf\u76ee\u6807\uff1a\u5b9e\u65f6\u91c7\u96c6\u591a\u4e2a\u52a0\u901f\u5ea6\u4f20\u611f\u5668\u4fe1\u53f7\uff08\u5982 3 \u8f74 MEMS\uff09\uff0c\u8fdb\u884c\u6ee4\u6ce2\u3001FFT  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[8],"tags":[40,100,75],"class_list":["post-6094","post","type-post","status-publish","format-standard","hentry","category-tech","tag-iot","tag-electrical-electronic","tag-ic"],"rttpg_featured_image_url":null,"rttpg_author":{"display_name":"NullThought","author_link":"https:\/\/nullthought.net\/?author=1"},"rttpg_comment":0,"rttpg_category":"<a href=\"https:\/\/nullthought.net\/?cat=8\" rel=\"category\">Tech<\/a>","rttpg_excerpt":"\u5e94\u7528\u573a\u666f\uff1a\u5de5\u4e1a\u632f\u52a8\u76d1\u6d4b\u7cfb\u7edf \u7cfb\u7edf\u76ee\u6807\uff1a\u5b9e\u65f6\u91c7\u96c6\u591a\u4e2a\u52a0\u901f\u5ea6\u4f20\u611f\u5668\u4fe1\u53f7\uff08\u5982 3 \u8f74 MEMS\uff09\uff0c\u8fdb\u884c\u6ee4\u6ce2\u3001FFT 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