OFDM系统中的QPSK调制，实用用verilog编程，用于FPGA设计 -QPSK modulation in OFDM systems, practical programming with verilog for FPGA design

quartusii下使用verilog编写的qpsk映射和解映射，比较简单的学习型代码-quartusii use verilog to write qpsk mapping and demapping relatively simple learning code