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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
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QPSK/16QAM/64QAM/256QAM/1024QAM调制的误码率计算为加性高斯白噪声-Calculates the symbol error rate of QPSK/16QAM/64QAM/256QAM/1024QAM modulation for additive white Gaussian noise
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对QPSK系统进行仿真分析,包括理想信道、高斯白噪声信道、先经过瑞利衰落信道再通过高斯白噪声信道的仿真-QPSK system simulation and analysis, including the ideal channel, white Gaussian noise channel, the first after the Rayleigh fading channel and white Gaussian noise channel simulation
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眼图的生成和带有8QPSK调制的信号,通过加性高斯白噪声信道,检测误码率的模型。-The eye diagram generation and with 8QPSK modulation signal, additive white Gaussian noise channel, the detection error rate model.
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杨建国老师的通讯原理课件,第二章信号、信道及噪声,主要讲述信号产生与噪声特性,高斯白噪声等原理-Jianguo teacher communication, the second chapter of the principles of courseware signal channel and noise about the principle of signal generation and noise characteristics of white Gaussian noise
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本文档包含高斯白噪声信道、瑞利信道仿真程序,以及在该信道条件下的各种信道估计算法-This document contains white Gaussian noise channel, Rayleigh channel simulation program, as well as a variety of channel estimation algorithms in these channel conditions
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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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对16QAM调制方式软解调,我们分为以下几个步骤进行:
⑴产生取值为0、1的随机数,作为16QAM调制的输入二进制序列;
⑵根据16QAM的星座图,按照输入序列分为I和Q两路进行映射,定义映射规则为00 -3,01 -1,11 1,10 3;
⑶产生一组高斯白噪声序列并分别叠加到映射后信号的实部、虚部;
⑷进行软解调。
-Soft demodulation of 16QAM modulation, we divided into the following steps: (1
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图像处理,对图像加高斯白噪声,椒盐噪声,然后进行低通滤波,维纳滤波,最后进行霍夫曼编码-Image processing, image plus white Gaussian noise, salt and pepper noise, and then low-pass filtering, Wiener filter, and finally Huffman coding
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QPSK在加性高斯白噪声环境下,信噪比与误码率的仿真。 先产生一个四组符号的序列,,再将该序列映射到对应的相位上。用相应的函数产生均值为零、方差为δ2的加性高斯噪声。
-QPSK in additive white Gaussian noise environment, the signal to noise ratio and bit error rate simulation. First produce a sequence of four sets of symbols, then
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高斯白噪声信道下的OFDM系统统的Matlab仿真可直接使用。
-Matlab simulation of the system of white Gaussian noise channel OFDM system can be used directly.
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高斯白噪声信道条件下BPSK数字调制系统性能仿真。-White Gaussian noise channel conditions, BPSK digital modulation system performance simulation.
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LDPC编码算法的仿真实现,在高斯白噪声环境下。供学习参考使用-LDPC coding algorithm simulation to achieve, in the white Gaussian noise environment. For the study of reference
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OFDM仿真程序,基于QPSKK调制,信道模型为高斯白噪声信道
-OFDM simulation program, based on QPSKK modulation, channel model for the white Gaussian noise channel
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本程序是用MATLAB编写的用于仿真通信系统中信号经过QPSSK和16QAM调制后,通过高斯白噪声和瑞利衰落信道的星座图仿真
-This program is a simulation of communication systems using MATLAB for signal through QPSSK and 16QAM modulation constellation of white Gaussian noise and Rayleigh fading channel simul
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使用C编写的基于QPP交织器的turbo编码及译码器。编码器出来的结果没有经过调制直接通过高斯白噪声信道(加入随机噪声),译码后的结果与编码前结果相同。开发环境是visual studio2010.-Written in C, based on QPP interleaver turbo encoder and decoder. Out the results of the encoder is not modulated directly by a white Gaussian noise c
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这是一个通信系统仿真的matla程序,信道为高斯白噪声信道,用的是psk调制解调-This is a communication system simulation matla program, channel white Gaussian noise channel psk modulation and demodulation
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用SIMULINK的S-FUNCTION代码编写的BPSK仿真,在瑞利信道和白色高斯噪声信道两种条件下。-The S-FUNCTION with the SIMULINK code written BPSK simulation, the Rayleigh channel and white Gaussian noise channel under two conditions.
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这是IS-95前向链路系统的MATLAB仿真程序及注释。包括用S-FUNCTION方式编写的M文件。共有10个M文件和一个MATLAB程序DOC文件,包括扩频调制、匹配滤波、RAKE接受等相关通信模块的代码,仿真环境为加性高斯白噪声信道。-This is the IS-95 forward link system, MATLAB simulation program and comments. Including the use of S-FUNCTION approach to the pre
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MSK调制解调程序,加入高斯白噪声,使用matlab编写,绝对原创-MSK modulation and demodulation process, adding white Gaussian noise using matlab absolute originality
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