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FM.rar
- FM的解调：用MATLAB的M文件编写的程序，有未加噪声和叠加噪声的,FM demodulation: MATLAB M-files used to prepare the procedure, there are not superimposed noise and noise
PhaseNoise_sim
- PLL相位噪声仿真方法总结,用来说明对各个模块相位噪声仿真的方法-PLL phase noise simulation document
DSSS
- 设计一个有干扰的直接序列扩频通信系统， PN码由m序列产生器产生，经过高斯白噪声信道。在接收端接收到的信号包括“有用信号+高斯白噪声+干扰”，将接收信号进行解扩，判决，得到用户的信号检测结果，绘制不同的扩频增益（增益值为10，30，50）下，误比特率随信噪比Eb/N0的变化曲线。-Design of a direct sequence spread spectrum interference system, PN code generated by the m sequence generato
xiaobobaoyiweiquzao
- matlab小波包工具箱的使用来分析信号，实现了一维去噪声的功能，恢复出了原始信号-wavelet packet Matlab toolbox used to analyze signals and realized the noise to a peacekeeping function, restoration of the original signal out
8
- 8单径瑞利信道中的四发四收V-BLAST： (1) 请设计一种具体的导引辅助的信道估计方法，用Simulink进行仿真，测量16QPSK调制时的误码率性能。画出比特信噪比与信道估计均方误差的关系曲线，画出比特信噪比与误码率的关系曲线。 (2) 计算所设计方案的频谱效率是多少，单位为bit/Hz/s。-8 Single-Path Rayleigh Channel Four received four V-BLAST: (1) Please design a specific guide-a
my_QPSKmod_201107
- 从基带信号产生——IQ映射——调制——信道加噪——解调——判决及反映射——接收信号输出，每个步骤都画出了图形。 -From the baseband signal- IQ mapping- Modulation- channel with noise- modem- judgments and reflect radio- receiver signal output, each of these steps are drawn graphics.
16qam_channel_encode
- 一、 本程序采用16QAM调制方式，对一串2进制信源进行调制，采用（7，4）循环码对信源做信道编码，用升余弦滚降函数进行基带调制，再调到高频信道；在信道上加入高斯白噪声，运用匹配滤波器解调，画出解调星座图，运用最小欧氏距离译码判决，再对信号进行信道解码，画出采用信道编码技术和不采用信道编码技术的误比特率图。-First, this program uses 16QAM modulation mode, for a string of two binary source is modulated,
multiple_access_protocols
- 系统分别对无线通信中的几种重要的多址接入协议进行了仿真，包括pure-ALOHA,slotted-ALOHA,CSMA以及ISMA，对每种协议的信噪比-误码率关系进行了分析。-Of wireless communications systems are in several important multiple access protocol simulation, including the pure-ALOHA, slotted-ALOHA, CSMA and ISMA, signal to
MATLAB_GUI_for_Realizing_the_Radiation_Pattern_of_
- A MATLAB GUI platform for realizing the radiation pattern of narrowband beamformer with random array geometry. User can specify the array geometry, directions of incoming signals, noise power, and the type of beamformer. Useful for gaining insight ab
BER_APSK_saleh
- 实现了高斯噪声下APSK的BER仿真，其中加上了saleh模型的HPA放大器-Achieved under the Gaussian noise APSK the BER simulation, which added Saleh HPA amplifier model
lxk
- 本程序仿真一个从卫星到区域数据中心的下行链路（由一组6个载波构成），评估热噪声，交调（IM）失真、由滤波器造成的码间干扰（ISI）以及邻频干扰对下行链路性能的影响。-This procedure simulation of a regional data from the satellite downlink center (by a group of six carrier constituted) to assess the thermal noise, Intermodulation (I
xindaoguji
- 一种时分的导引辅助的信道估计方法，用Simulink进行仿真，测量BPSK的误码率性能，画出比特信噪比与误码率的关系曲线-A guided night-aided channel estimation methods, using Simulink simulation, surveying BPSK BER performance, drawn-bit signal to noise ratio and bit error rate curve
wirelesscomm
- In this project we analyze and design the minimum mean-square error (MMSE) multiuser receiver for uniformly quantized synchronous code division multiple access (CDMA) signals in additive white Gaussian noise (AWGN) channels.This project is mainly bas
fsk
- 数字通信中的FSK调制解调的原理和过程, 通过用Matlab 对这一过程的编程,分析信号在理想信道和加噪信道中传输时的时域图, 并用蒙特卡罗算法进行仿真。-Digital communications in FSK modulation and demodulation principle and process, through the use of Matlab in the process of programming, analysis of signals in the ideal c
BPSK-reliay
- 在单径瑞利信道中，设计一种时分的导引辅助的信道估计方法，用Simulink进行仿真，测量BPSK的误码率性能，画出比特信噪比与误码率的关系曲线.-In a single Path Rayleigh channel, the design of a guided night-assisted channel estimation method, using Simulink simulation, measurement BPSK BER performance, draw-bit signal
DS-CDMA
- 设计DS-CDMA一种具体的码分导引辅助的信道估计方法，接收机分别采用等均益合并、最大比合并。用Simulink进行仿真，测量BPSK的误码率性能，画出比特信噪比与信道估计均方误差的关系曲线，画出比特信噪比与误码率的关系曲线-Design of DS-CDMA code at a specific guide-assisted channel estimation method, the receiver, respectively, the combined use of all benefi
qammodu
- 16QAM调制解调原码，包括星座图映射，信道噪声，及解码-16QAM modulation source, including the mapping constellation diagram, channel noise, and decoding
matlab
- 用MATLAB编写程序实现BPSK的调制与解调过程，并且为了模拟数字通信系统过程，在调制后加入高斯白噪声。-MATLAB program used to prepare the BPSK modulation and demodulation process, and in order to simulate the process of digital communication system, in the modulated Gaussian white noise after.
matlab
- 对语言加噪的matlab文件，可以自行选择信噪比。还包含以及波形绘制文件。-Language plus noise matlab file, you can select SNR themselves.
基于MATLAB的MSK调制解调实现
- 利用MATLAB集成环境下的M文件，编写程序来实现MSK的调制解调，并绘制出解调前后的时域和频域波形及叠加噪声时解调前后的时频波形，根据运行结果和波形来分析该解调过程的正确性及信道对信号传输的影响。通过这次课程设计进一步加深了我对最小二进制相移键控（MSK）调制解调性能的理解与掌握，同时将课堂上学到的理论知识用于实践。增强了我在模拟仿真方面的能力，为以后系统开发和通信系统仿真打下了良好的基础。(The use of MATLAB in the integrated environment of