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uwbBPSKANDPPM
- 基于UWB通信的BPSK调制误码率分析和经PPM调制的UWB信号经高斯白噪声信道的系统仿真-based UWB BPSK modulation BER analysis and by the PPM UWB modulation signal white Gaussian Channel Noise Simulation
works
- QPSK系统在无线通信信道中的仿真,通过对有若干条(大于2条)路径的无线多径衰落信道中的QPSK系统进行误码率性能仿真,并在与理想的高斯加性白噪声信道中同样系统的BER性能进行比较,利用SA方法给出本仿真模型的仿真结果-QPSK system in the wireless communications channel simulation, through a number of articles (more than 2) the path of wireless multi-path fa
OFDM
- OFDM的系统仿真,用matlab编码,高斯白噪声信道,清晰画出BER曲线图-OFDM system simulation, matlab coding, Gaussian white noise channel, clearly draw the BER curve
OFDM
- OFDM基本原理仿真,通过高斯白噪声信道和通过瑞利信道后BER的比较-The basic principle of OFDM simulation, white Gaussian noise channel and the BER in Rayleigh channel
bqpsk
- BPSK 与QPSK 调制解调系统的Matlab 仿真程序,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,并与理论曲线进行对比-BPSK and QPSK modulation and demodulation system Matlab simulation program, send and receive filters are root raised cosine filter roll-off fil
直接序列扩频系统仿真
- 建立了直接序列扩频系统的matlab仿真模型,在信道中存在高斯白噪声和干扰的情况下,对系统的在不同扩频增益下的误码率性能进行了仿真及分析,分析了扩频码的自相关性、误码率、性噪比。(A matlab simulation model of the direct sequence spread spectrum system, the existence of Gauss white noise and interference in the channel under the condition
OFDM
- 利用MATLAB软件对OFDM系统做出仿真。仿真中采用QPSK调制技术,并加入高斯白噪声,最终得到QPSK星座映射图以及BER曲线图。由仿真结果可以看出,OFDM在高斯信道具有良好的抗噪声性能,误码率较低。(MATLAB software is used to simulate the OFDM system. In the simulation, QPSK modulation technology is used, and Gauss white noise is added, and th
卷积编解码
- 使用Simulink(或m语言)仿真卷积编码,并用Viterbi译码的方法进行解码,其中的编码、译码全部是自己编写代码(m语言方式),不是调用Simulink(或m语言)的已有编码、译码函数。并在加性白高斯噪声信道中,画出比特信噪比与误码率的关系曲线。(Simulink (or M language) is used to simulate convolutional coding, and Viterbi decoding method is used to decode, in which