QAM调制函数，对产生的二进制数进行qam调制，调制原理是对产生的二进制数进行串并转换，然后分为两路再进行qpsk调制-QAM modulation function, the resulting binary number for QAM modulation, modulation principle is generated binary number and converted to string, and then further divided into two QPSK modul

LTE上行链路使用的DFT-S-OFDM系统的仿真，其中包括QPSK星座映射、串并转换、N点DFT、子载波映射等。-LTE uplink using the DFT-S-OFDM system simulation, including QPSK constellation mapping, string and conversion, N-point DFT, subcarrier mapping, etc..

OFDM系统，包含QPSK星座映射、串并转换、IFFT变换、加保护间隔、求峰均比等。-OFDM system with QPSK constellation mapping, a serial-to-parallel conversion, IFFT transform, plus guard interval requirements such as peak-to-average ratio.

OFDM系统仿真,包含串并转换，QAMmap，IFFT转换，并串转换之类。-OFDM System Simluation