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DSSS.rar
- 一个四用户的扩频通信系统，扩频增益为N=16，采用Walsh码进行直接序列扩频，BPSK调制，无线信道为AWGN(加性高斯白噪声信道)信道(AWGN信道：不考虑通信信道信号时，由宽频范围描述的统计随机无线噪声。)。在接收端进行解扩，解调，判决，通过仿真得到其中一个用户的误比特率与信噪比的仿真结果。,A four-user spread spectrum communication system, spreading gain for N = 16, using Walsh code Direct
THE3
- a Matlab code that produces a plot of probability of bit error rate for QPSK versus SNR for three receive antennas, and three different combining methods: MRC, equal gain combining, and selection combining. The plot is generated by using Monte Carlo
BPSK-QPSK
- 分别编写BPSK与QPSK调制解调系统的Matlab仿真程序，要求：发送滤波器与接收滤波器均为根升余弦滚降滤波器；信道噪声为加性高斯白噪声 绘制BPSK与QPSK调制下的误码率与信噪比曲线图，并与理论曲线比较对比-They were written BPSK and QPSK modulation and demodulation system Matlab simulation program requirements: a transmission filter and a recept
BPSK.QAM.QPSK.DPSK
- 各种数字调制解调方法的MATLAB实现，输出为信噪比图像。包括BPSK,DPSK,QAM,QPSK(包括有无格雷编码的对比)-A variety of digital modulation and demodulation MATLAB implementation of the method, the output SNR images. Including BPSK, DPSK, QAM, QPSK (including comparative Have Gray coding)
QPSK
- ber vs snr plot of QPSK using matlab simulator
qpsk
- QPSK MODULATION SNR-BER
beranddistance
- 对OOK、BPSK、QPSK、16QAM、64QAM在水下信道传输的性能分析，作出信噪比-距离曲线。(The performance of OOK, BPSK, QPSK, 16QAM and 64QAM in underwater channel transmission is analyzed, and the SNR distance curve is made.)