本例是一个6层电梯的控制系统,VHDL原程序,状态机,控制器

DRD3在Xlinix平台上的设计教程以及仿真(DRD3 design tutorial and Simulation on Xlinix platform)

完整的GMSK调制及维特比译码，程序中包括了高斯滤波器的设计，调制相位的计算，并采用了维特比译码算法解调出原始码元，最后计算了其误码率。(Complete GMSK modulation and Viterbi decoding, the program includes a Gaussian filter design, the calculation of the phase modulation, and uses the Viterbi algorithm demodulates the source element, the final calculation of the bit error rate.)

用VHDL语言仿真音乐设计 用VHDL语言仿真音乐设计-Simulation using VHDL language music design music design simulation VHDL language

关于usb调试相关测试 代码，用于测试和适配等(usb coding for testing , verigy, for studing usb and fpga)

基于verilog的LU分解,本文件包括详细的程序代码，运行文件，以及详细的文档(LU decompose based on verilog)

产生长度为100的随机二进制序列 发送载波频率为10倍比特率，画出过采样率为100倍符号率的BPSK调制波形（前10个比特） ，及其功率谱 相干解调时假设收发频率相位相同，画出x(t) 的波形，假设低通滤波器的冲激响应为连续10个1（其余为0），或连续12个1 （其余为0） ，分别画出两种滤波器下的y(t)，及判决输出（前10个比特） 接收载波频率为10.05倍比特率，初相位相同，画出x(t) 的波形，假设低通滤波器的冲激响应为连续10个1，画出两种滤波器下的y(t)，及判决输出（前20个比特） 采用DPSK及延时差分相干解调，载波频率为10倍比特率，画出a, b, c, d点的波形（前10个比特） DPSK及延时差分相干解调，载波频率为10.25倍比特率时，画出a, b, c, d点的波形（前10个比特） DPSK及延时差分相干解调，载波频率为10.5倍比特率时，画出a, b, c, d点的波形（前10个比特） (Produce random binary sequence of length 100 The transmission carrier frequency is 10 times the bit rate, draw a sampling rate of 100 times the symbol rate of the BPSK modulation waveform (first 10 bits), its power spectrum Coherent demodulation of assuming the same as the phase of the transmitting and receiving frequencies, and draw the waveform x (t), assuming that the impulse response of the low pass filter 10 consecutive 1 (the remainder is 0), or 12 consecutive 1 (the remainder is 0), y (t) is drawn under the two filters respectively, and the decision output (10 bits) The received carrier frequency is 10.05 times the bit rate, the same initial phase, draw the waveform x (t), assuming that the impulse response of the low pass filter of 10 consecutive 1, shown under two filter y (t), and decision output (20 bits) DPSK and delay differential coherent demodulation, the carrier frequency is 10 times the bit rate, draw a, b, c, d point of the waveform (first 10 bits) DPSK and delay)

FPGA通过SPI总线配置AD采集芯片AD9648的程序，Verilog实现 (FPGA configuration via SPI bus chip AD9648 AD acquisition procedures, Verilog realization)

用FPGA实现SDRAM的操作，具体操作见内部说明文件-FPGA SDRAM with the operation of the specific see internal note

基于单片机的DDS数字信号发生器设计，可以产生正弦波。三角波等(Design of DDS digital signal generator based on MCU, can produce sine wave. Triangular wave)

HSSDRC IP core is the configurable universal SDRAM controller with adaptive bank control and adaptive command pipeline. HSSDRC IP core and IP core testbench has been written on SystemVerilog and has been tested in Modelsim. HSSDRC IP core is licensed under MIT License