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hvvCDMA
- 在MATLAB环境下实现了CDMA通信系统仿真,程序流程为:随机序列产生--WALSH码扩频--BPSK调制--加入(和不加入)高斯白噪声--BPSK解调--WALSH码解扩,对过程波形进行了存储,对加噪与不加噪情况下的解码结果进行了对比,并绘制出信噪比与误码率关系图。-In the MATLAB environment to achieve a CDMA communication system simulation, the program flow as follows: random s
my_2bpsk
- my_2bpsk.rar文件包含了一个m文件和一个低通滤波器数据文件,实现的数字通信系统的升余弦基带成型,bpsk数字调制,以及高斯白噪声、接收端相干解调系统处理的各个阶段,并用plot语句画出了相关波形,对于理解数字通信系统有很大的好处。-my_2bpsk.rar file contains an m file and a low-pass filter data file, to achieve the digital communication system raised cosine b
bpsk_ask
- matlab实现的bpsk调制解调,并给出图形,能够形象理解BPSK调制解调的波形,加深对通信原理中BPSK的理解-matlab implementation bpsk modem, and gives graphic, image understanding that BPSK modulation and demodulation of the waveform, to deepen the understanding of communication theory in the BPSK
bpsk
- 原版matlab bpsk信号的调制解调,可显示发送数据的波形,调制后的波形,接收波形,误码情况等-Original matlab bpsk signal modulation and demodulation, send data to display the waveform, the modulated waveform received waveform, error conditions, etc.
shiyan
- 用matlab编写了一个,信源产生经过BPSK调制以及根号升余弦滤波器后再加上载波最后将波形图输出的程序-Using matlab prepared a source after BPSK modulation, as well as the square root raised cosine filter and then with the carrier waveform graph output of the program
match_filter
- BPSK匹配滤波器的误码率统计。1.二进制PSK信号进过波形生成器,生成根升余弦信号 2.对信号加噪声 3.接受加噪信号后,匹配滤波 4.统计误码率-BPSK matched filter error rate statistics. 1 signal into a binary PSK waveform generator had to generate root raised cosine signal (2) of the signal plus noise 3. Accept the a
dsss_main
- 实现基于BPSK的直接扩频信号调制,并显示出各阶段信号波形。-Direct-based BPSK modulated spread spectrum signal, and shows the signal waveform of each phase.
code1
- matlab仿真程序 产生一个长为1000的二进制随机序列,“0”的概率为0.8,”1”的概率为0.2; 对上述数据进行归零AMI编码,脉冲宽度为符号宽度的50 ,波形采样率为符号率的8倍,画出前20个符 号对应的波形(同时给出前20位信源序列) 改用HDB3码,画出前20个符号对应的波形 改用密勒码,画出前20个符号对应的波形 分别对上述1000个符号的波形进行功率谱估计,画出功率谱 改变信源“0”的概率,观察AMI码的功率谱变化情况-Produce random
bpsk
- 基带信号采用不归零矩形脉冲, 生成 2PSK 信号的时域波形和功 率谱密度-The baseband signal uses a non-return rectangular pulse to generate the time domain waveform and power spectral density of the 2PSK signal