QPSK的Matlab/Simulink的调制解调仿真系统，给出接收信号眼图及系统仿真误码率，包含载波恢复，匹配滤波，定时恢复等重要模块，帮助理解QPSK的系统-QPSK Matlab / Simulink simulation system modulation and demodulation, the received signal is given eye and BER simulation systems, including carrier recovery, matching f

QPSK modulation system with recover loops-This is a model of a QPSK modulation system for transmission over a bandpass channel with fc = 100 Hz and B = 30 Hz and AWGN at the receiver. SRRC fi lters with excess bandwidth α = 0.18 are employed. Th

MATLAB 眼图的实现。ploteye函数的使用即通过QPSK的调制解调的仿真以实现对函数的使用说明。-MATLAB implementation of the eye diagram. ploteye function through the use of QPSK modulation and demodulation of the simulation in order to achieve the function instructions.

matlab code for generating eye diagram for qpsk

程序实现了基于MATLAB的pi/4 QPSK的仿真,系统在相同条件下，对加噪声和没有噪声的情况，分别画出了它的眼图分析其性能，及已调制信号的时域波形和频谱。-The program realizes the simulation of pi/4 QPSK based on MATLAB. Under the same condition, the system draws its eye diagram to analyze the performance of the noise and n