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ldpc编码,在加性高斯白噪声情况下描述出它的误码率随信噪比变化的情况-ldpc coding, in the additive white Gaussian noise cases, describe its bit error rate with signal to noise ratio the changes in the
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WLAN仿真-发送机
wlan No Comments
设置完系统参数后,开始产生发送数据。
1. 产生随机的发送bit(tx_bits),这里不考虑信道编码。
2. QAM映射
3. 将数据映射到不同载波,形成OFDM符号
4. 产生pilot,并将pilot插入OFDM符号中
5. 加入dc和guard子载波
6. 进行ifft,将频域信号变到时域,并加入循环前缀
7. 对信号进行overlap window
8. 在时域产生short preamb
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理想高斯白噪声信道下无编码OFDM系统的误码率曲线。-BER of OFDM signal in AWGN without coding.
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通信原理课程设计:语音信号基带通信传输系统仿真基于DPCM编码和循环码
-Communication Theory Course Design: speech signal base-band telecommunication transmission system simulation
Based on DPCM coding and cyclic codes
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neural network coding for signal classifications
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对给定语音信号进行抽样、量化和13折线PCM编码,经过传输后,接收端进行PCM译码,对此过程进行matlab仿真分析。-Given speech signal sampling, quantization and PCM 13 line coding, after transmission, the receiver for PCM decoding, matlab simulation of this process
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关于常规信号,线性调频信号和相位编码信号的检测和估计-detection and analaysis of normal signal, LFM and phase coding signal.
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1、研究BFSK在加性高斯白噪声信道下(无突发干扰)的误码率性能与信噪比之间的关系;
2、研究BFSK在加性高斯白噪声信道下(有突发干扰)的误码率性能与信噪比之间的关系;分析突发干扰的持续时间对误码率性能的影响。
3、研究BFSK+信道编码(取BCH码和汉明码)在加性高斯白噪声信道下(无突发干扰)的误码率性能与信噪比之间的关系;分析不同码率对误码率性能的影响。比较不同信道编码方式的编码增益性能。
4、研究BFSK+信道编码(取BCH码和汉明码)在加性高斯白噪声信道下(有突发干扰)的误
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卷积码仿真与分析
在理解卷积码编译码原理的基础上使用Matlab语言进行编程,首先产
生一段随机序列,即原始的发送比特流,然后对该信号进行卷积编码、BPSK 映射、加噪、解映射及译码,得到恢复的数据。
-The simulation and analysis of the convolutional code to understand convolutional code encoding and decoding principle the basis of the Matlab
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大学实验,matlab 信息论与编码,信道容量计算,数字信号处理初级课程。-University of experiments, matlab information theory and coding, channel capacity, digital signal processing primary curriculum.
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用Matlab/Simulink研究2ASK(DPSK)在加性高斯白噪声信道下的误码率性能与信噪比之间的关系;试用Matlab/Simulink研究2ASK(DPSK)+信道编码(取汉明码)在加性高斯白噪声信道下的误码率性能与信噪比之间的关系-Matlab/Simulink additive white Gaussian noise channel 2ASK (DPSK) the relationship between performance and signal-to-noise ratio
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Matlab平台下仿真实现2*2, 4*4, 6*6天线Alamouti空时编码的MIMO系统,画出不同信噪比下的性能曲线对比。-2* 2, 4* 4, 6* 6 antenna Alamouti space-time coding MIMO system Matlab simulation platform, draw the comparison of different signal-to-noise ratio performance curve.
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语音信号的pcm编码,译码的matlab实现-Speech signal pcm coding and decoding matlab achieve
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The channel estimation algorithm is based on a subspace approach. The method works only for identifiable STBCs (excluding >=1-rate STBCs). See publication [1] for more detail about the algorithm and the identifiability conditions. The zip file con
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汉明码信道编码matlab仿真,学生作业,编码增益与信噪比。-Hamming code channel coding matlab simulation, student work, the coding gain and signal to noise ratio.
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文件由两部分组成,直扩GMSK调制的matlab仿真程序和Verilog硬件程序。完成了对信号的扩频编码,GMSK调制,硬件程序中的高斯滤波器调用自matlab仿真产生。包括ds_gold_gmsk.m,mseq31.m,zhikuoGMSK.m以及d_encode.v,code_convert.v,frame.v,DS.v,gauss_filter.v,DS_GMSK_MD.v等编码,组帧,滤波,扩频,调制众多源码-Document consists of two parts, DSSS MS
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GPS基带信号处理中 PN码捕获的MATLAB仿真程序。-GPS baseband signal processing PN code acquisition MATLAB simulation program.
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有信道编码,调制,信道估计等,用MATLAB实现动态聚类或迭代自组织数据分析,有小波分析的盲信号处理。- Channel coding, modulation, channel estimation, Using MATLAB dynamic clustering or iterative self-organizing data analysis, There Wavelet Analysis Blind Signal Processing.
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语音信号子带编码源程序,用matlab做的 不错的源码 很好-Speech signal source code, subband coding matlab do good source is very good
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Channel coding, modulation, channel estimation, Using high-order cumulants of MPSK signal modulation recognition, Mathematics is part of the subspace.
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