搜索资源列表
3Matlab
- 程序代码说明 P0301:数字图像矩阵数据的显示及其傅立叶变换 P0302:二维离散余弦变换的图像压缩 P0303:采用灰度变换的方法增强图像的对比度 P0304:直方图均匀化 P0305:模拟图像受高斯白噪声和椒盐噪声的影响 P0306:采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波 P0307:采用MATLAB中的函数filter2对受噪声干扰的图像进行均值滤波 P0308:图像的自适应魏纳滤波
cml.1.6.2
- This a software runing on the matlab, it is used in the channel coding simulation. It include DVB-S2 LDPC, Covolution turbo, and block turbo code, You can choose which channel coding to run. it run the encoder and add white noise in the channel,
LT_BIAWGN_sim1
- 基于 高斯白噪声信道的LT码源程序 ,喷泉码的一种-the LT source code based on Gaussian white noise channel
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
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,
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
4
- 在matlab环境下,高斯白噪声信道下原信号的误码率特性的仿真代码-In the matlab environment, Gaussian white noise channel bit error rate characteristics of the original signal simulation code for
main
- 这个代码实现了白噪声下的不同的调制和解调的性能比较-This code implements a different white noise under the Performance Comparison of modulation and demodulation。
OFDMsystem
- 基于IFFT\FFT的OFDM系统仿真。完整的可运行的代码。信源用randn产生,信道为高斯白噪声,如用其他,可以方便自行修改。-Based on IFFT \ FFT of OFDM system simulation. Complete code can be run. Generated using randn source, channel for the Gaussian white noise, such as the use of other, you can easily mod
bpskber
- BPSK编码的程序,模拟了原始信号,加入白噪声信道,并进行了编码仿真得出误码率图。通信编码的经典程序 -BPSK encoding program to simulate the original signal by adding white noise channel and coded bit error rate simulation graph obtained. Communication code of the classic procedure
ConvolutionalEncoder
- 用Viterbi译码的方法进行解码,其中的编解码全部自己编写代码(S-Function方式),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。-With Viterbi decoding method of decoding, encoding and decoding them all to write your own code (S-Function mode), the additive white Gaussian noise channel, signal to noise
Channel_WG
- 本代码是用于生成systemview仿真软件可用的高斯白噪声信道模块-This code is used to generate white Gaussian noise channel module systemview simulation software available
eyediagramaerror-code-rate
- 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.
rs
- 在高斯白噪声信道下的RS码编译码实现程序 包括编码和译码-RS code under the white Gaussian noise channel codec implementation program Including encoding and decoding
HARQ-CC
- WiFi情况下,第一类HARQ协议仿真,采用了汉明码和CRC校验,加高斯白噪声,研究吞吐量,平均重传等-WiFi case, the first class of the HARQ protocol simulation, using the Hamming code and CRC check, add white Gaussian noise to study the throughput, average retransmission
Program_Energy-Detection
- This code is to plot receiver operating characteristic curve for simple energy detection, when the primary signal is real Gaussian signal and noise is addive white real Gaussian. Here, the threshold is available analytically. India. -
code
- 基于matlab/simulink的bpsk,qpsk经过白噪声信道和rayleigh多径误码率在不同信噪比下的计算,给出了对应的误码率曲线-Based on matlab/simulink bpsk, qpsk white noise channel and rayleigh multi-path error rate at different signal to noise ratio of the calculation, given the corresponding error rat
卷积码的编码和VB译码
- 在MATLAB上设计一个(2,1,3)卷积编码器和对应的采用维特比译码算法的译码器。编码器的生成多项式为:[1 0 1;1 1 1]。将编码器的输出经过一个高斯白噪声信道的结果作为译码器的输入,观察比较译码器输出和编码器输入,了解卷积码的容错性,并计算译码结果的误比特率.(A convolutional coder (2, 1, 3) and corresponding decoder using Vitby decoding algorithm are designed on MATLAB.
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
差分调制与解调
- 此代码通过随机生成二进制码,对其进行二进制差分调制,以及加入高斯白噪声后对其解调计算误码率,绘制出其输入信噪比与输出信噪比的实验曲线及理论曲线的比较。(This code generates binary codes randomly, modulates them by binary differential modulation, demodulates them with Gauss white noise and calculates the bit error rate, draws