Spartan 3E

说明：  16点verilog FFT，可供参考学习使用(16 points Verilog FFT can be used for reference)

FPGA设计的指导原则，很经典的！希望给大家方便-FPGA design of the guiding principles, it is classic! Want to give everyone easy

计时范围为59.99秒；有计时开始和停止计时控制，复位控制可以对所有计时进行异步复位；计时结果由四位七段数码管显示。

用verilog语言编写，一个8-bit ALU，可以完成按字节的+、-和与、或、非操作(Using Verilog language, an 8-bit ALU, to be completed by byte+,- And, or, non-operating)

说明：  基于FPGA的1553b接口设计详细设计论文(1553B design based on FPGA)

FPGA学习的非常好的资料，希望广大朋友都可以学习学习啊(FPGA to learn very good information, I hope our friends can learn ah)

完成RS（5，3）编码程序，运用Verilog语言。(Complete the RS (5,3) coding process, the use of Verilog language.)

说明：  FPGA Verilog浮点数乘法运算，采用单精度浮点型小数格式，运算结果精度可设置，可封装成IP核(FPGA Verilog floating-point multi operation, using single precision floating-point decimal format, the accuracy of the operation results can be set, can be packaged into IP core)

说明：   基于VHDL语言数字秒表设计,在FPGA实验平台下开发(Digital stopwatch design based on VHDL, FPGA experimental platform under development)

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)