一个简单的DDS

NiosII的C代码,包括网卡,lcd,usb,串口,按键.(NiosII C code, including network cards, lcd, usb, serial, key.)

利用matlab设计了一个切比雪夫滤波器，并且对滤波器性能进行了仿真分析。(Using the matlab design a chebyshev filter, and has carried on the simulation analysis on filter performance. )

本程序调试了TI的高精度模数转换芯片ADS1115,此模数转换器采用双积分型，16位，为IIC通信方式，调试较复杂，在对直流采集方面有着广泛的应用(This program debugging TI s high-precision analog-digital conversion chip ADS1115)

adc0809的fpga时序电路接口程序-Sequential Circuits adc0809 the FPGA interface program

说明：  使用DE2实现DDS，步骤简单，配置管脚可自查看(Using DE2 to realize DDS, the steps are simple and the pins can be self-checked.)

用verilog编写的lms算法。可实现自适应滤波功能(Lms algorithm written in verilog. Adaptive filtering can be achieved)

FFT快速傅立叶变换-verilog，基于verilog的FFT源码，QuartusII上仿真通过(FFT Fast Fourier Transform-verilog, the FFT-based verilog source, QuartusII through the simulation)

说明：  AXI verilog designs with testbench: AXI-lite, AXI, AXI-stream

mpeg-2 crcr32计算的代码，采用verilog编写，验证通过(mpeg-2 crcr32 caculate)

硬件描述语言相关芯片程序源码Chip hardware description language-related program source code(Chip hardware description language-related program source Chip hardware description language-related program source code)