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音频信号分析仪的FPGA源码
音频信号先经过由运放和电阻组成的50Ohm阻抗匹配电路以满足输入阻抗50 Ohm的系统要求,这样方便信号功率的计算。为了保证所处理的信号被不失真的采样,信号还要通过截止频率为10Khz的抗混叠低通滤波器。最后为了AD能正确的采样,信号还要通过信号抬高电路。
经过12位A/D转换芯片MAX144转换后的数字信号经由基于FPGA的NIOSII处理器进行FFT变换和处理,分析各个频率点的功率值,并将这些值显示在LCD上。
该源代码就是fft变换的源代码
- 2023-07-28 02:35:05下载
- 积分:1
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It is then register ( shifter) PISO ( Parallel
It is then register ( shifter) PISO ( Parallel - in, serial - out)-It is then register ( shifter) PISO ( Parallel- in, serial- out)
- 2022-03-14 08:29:42下载
- 积分:1
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Noc
credit base network on chip(network on chip (noc))
- 2020-06-19 11:40:02下载
- 积分:1
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BPSK
先用Matlab理论仿真,再用Verilog语言在ISE环境下编写程序,可通过手机发送指令来控制上下变频器的参数。(Firstly, we use the theory of MATLAB to simulate, and then use Verilog language to write programs in ISE environment. The parameters of up-down converter can be controlled by sending instructions from mobile phone.)
- 2020-06-19 22:40:02下载
- 积分:1
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xapp888
说明: xilinx fpga各版本mmcm/pll动态配置RTL代码,包括testbench(xilinx fpga mmcm/pll drp RTL code, including testbench)
- 2021-01-21 21:38:46下载
- 积分:1
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"Verilog HDL Design Guide" 8
《Verilog HDL 程序设计教程》8-"Verilog HDL Design Guide" 8
- 2022-10-10 02:30:02下载
- 积分:1
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本代码实现了486总线的功能,初学者可以借鉴学习
本代码实现了486总线的功能,初学者可以借鉴学习-This code implements the 486 bus functions, beginners can learn to learn
- 2023-09-05 01:20:03下载
- 积分:1
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kalman_mppt-master
filter kalman mppt for PV
- 2020-10-04 13:27:39下载
- 积分:1
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APB 总线
APB 总线。可以实现单个数据在总机与从机之间的读写功能(This can achieve the read and write functions of a single data between the master and the slave .)
- 2017-08-22 16:04:06下载
- 积分:1
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系数为4的扰码生成器,并每四位扰码产生一个触发串并转换的触发信号,可用于4b/5b编码的触发信号。verilog程序,带test程序...
系数为4的扰码生成器,并每四位扰码产生一个触发串并转换的触发信号,可用于4b/5b编码的触发信号。verilog程序,带test程序-coefficient of the four scrambler generator, and every four scrambler have triggered a string conversion and the trigger signal can be used to trigger 4b/5b coding signal. Verilog procedures, with test procedures
- 2022-08-08 00:04:21下载
- 积分:1