DQPSK modulation with XILINX FPGA. 2 level butterworth analog filter for I & Q D/A output. -DQPSK modulation with XILINX FPGA. 2 level butterworth analog filter for I & Q D/A output.

常用的几种伪随机序列的仿真及性能分析，进而运用组合序列的思想，尝试不同的序列以不同组合方式生成的新的伪随机序列，并用FPGA分析其性能，得出组合序列的一般的规律，借此推导出了一种新的组合序列——异族Gold组合序列。-Through simulation and performance analysis of several commonly use¬ d pseudo-random sequence in the FPGA environment, use the ideas of c