文件名称:QPSK
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本文描述了QPSK调制与解调，并进行了仿真和性能比较，并得出结果。-This paper describes the QPSK modulation and demodulation, and simulation and performance comparison, and the result.
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QPSK调制与解调
..............\基于Matlab的OFDM系统设计与仿真
..............\..............................\OFDM5.m
..............\..............................\qpskdemod.m
..............\..............................\qpskmod.m
..............\..............................\仿真图
..............\..............................\......\(1)发送端随机序列.jpg
..............\..............................\......\(10)发送和接收信号序列.jpg
..............\..............................\......\(11)OFDM系统误码率分析.jpg
..............\..............................\......\(2)OFDM载波幅度谱.jpg
..............\..............................\......\(3)OFDM载波相位谱.jpg
..............\..............................\......\(4)调制后QPSK信号的星座图.jpg
..............\..............................\......\(5)一个符号周期的时域OFDM信号.jpg
..............\..............................\......\(6)I路和Q路输出波形.jpg
..............\..............................\......\(7)整个时域OFDM信号波形(添加保护间隔后).jpg
..............\..............................\......\(8)添加噪声后I路和Q路波形.jpg
..............\..............................\......\(9)FFT输出信号波形.jpg
..............\..............................\基于Matlab的OFDM系统设计与仿真.pdf
..............\毕业设计(论文)OFDM系统原理及仿真实现
..............\....................................\Noised_Transmited_Signal.m
..............\....................................\Untitled1.m
..............\....................................\Untitled2.m
..............\....................................\Untitled3.m
..............\....................................\cut_cp.m
..............\....................................\demodulation.m
..............\....................................\modulation.m
..............\....................................\~$设计(论文)OFDM系统原理及仿真实现.doc
..............\....................................\基于Matlab的OFDM系统设计与仿真.pdf
..............\....................................\毕业设计(论文)OFDM系统原理及仿真实现.doc