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dsnonoise
- 直接序列扩频系统是在发端直接用具有高码率的扩频编码去扩展信号的频谱，而在收端用相同的扩频编码进行解扩使扩频信号还原为原始信号的一种扩频方式。直接序列系统中用的编码序列通常是伪随机序列或叫伪噪声（PN）码。要传送的信息经数字化后变成二元数字序列，它和伪随机序列模二相加(或相乘)后变成复合码去调制载波。在直接序列系统中通常对载波进行二进制相移键控调制(BPSK)。当扩频调制后由天线发射出去，在接收机中要有一个和发射机中的伪随机码同步的本地码，对接收信号进行解扩，解扩后的信号送到解调器取出传送的信息-
ppd
- 发射波形是矩形波，调制方式是DBPSK调制，采用非相干解调。-rectangular wave is launched wave modulation is DBPSK modulation, the non-coherent demodulation.
chengxu9.rar
- 有关扩频通信系统的MATLAB程序----直接序列扩频系统，PN序列的产生。,On the spread spectrum communication system in MATLAB procedures---- Direct Sequence Spread Spectrum Systems, PN sequence generation.
chengxu3
- 有关模拟调制的matlab程序--复读调制，AM信号的解调。-Matlab simulation of modulation-related procedures- repetition modulation, AM signal demodulation.
QAM
- QAM的调制一种调制解调matlab仿真，欢迎大家下载，多多支持-QAM modulation a kind of modulation and demodulation matlab simulation, welcome to download, will support
BFSK
- 编写源程序，用matlab实现bpsk的调制解调-Write source code with matlab achieve bpsk the modem
dct
- 在一个256*256像素的图像中嵌入水印，并经过高斯白噪声，最后在解调出原始图像与水印图像-In a 256* 256 pixel image embedded watermark, and after a Gaussian white noise, and finally demodulate the original image and watermark image
msk111
- fsk的调制以及相干，非相干和过零解调完整的源代码-achieve the modulation and demodulation of MSK
jiagaosibaizaoshengzip
- 本程序产生二次雷达的应答信号，加高斯白噪声，解调成功。-This procedure generated a response of the secondary radar signal plus Gaussian white noise successful demodulation.
FM_cos
- FM调制解调，以余弦信号作为调制信号，较好的程序供大家参考哦-FM modulation and demodulation, cosine signal as a modulated signal, better procedures for your reference Oh
11
- 基于matlab的2FSK的调制与解调，内含有源程序代码和详细的解析报告-Matlab-based 2FSK modulation and demodulation, containing the source code and detailed analysis reports. . . . . .
qam128main
- 信号处理设计，包括下变频，抽取滤波，同步，均衡等模块，对加扰QPSK信号进行解调设计。-Signal processing design, including down-conversion, decimation filtering, synchronization, equalization module, scrambled QPSK signal is demodulated design.
matlab-ab1
- 基于matlab源码程序MSKGMSK调制解调-Based on matlab source program MSKGMSK modem
Source-Modulation
- 1.对信源进行AM，DSB,SSB调制 2.信道中各自加入进过带通滤波器后的窄带高斯白噪声,解调每个信号，并画出滤除前后，双边带信号和单边带信号的频谱。-1. Letter source AM, DSB, SSB modulation 2. Add to each channel through the band pass filter into a narrow band Gaussian white noise, each signal demodulated, filtered a
wrap-unwrap
- 相位解调和相位展开的matlab代码，可以从条纹图中提取出相位信息-Phase demodulation and phase unwrapping matlab code, can be extracted the fringe of the phase information
tdkeqbs
- 带瑞丽衰落信道高斯白噪声的QPSK调制解调信道,可以得到功率谱波形和星座图-With QPSK modulation demodulation of ruili fading channel gaussian white noise channel, the power spectrum waveform and the constellation diagram can be obtained
66499374
- 这个是一个FSK调制解调MATLAB实现的程序,是简化版的,调制解调一起调试的~-This is a FSK modulation demodulation of the MATLAB program, is a simplified version, modem debugging together ~
skypccp
- 这是一个连续相位调制的程序,解调才用的是相干解调,希望对学习有帮助,-Program it is a continuous phase modulation, demodulation with coherent demodulation, hope can help you in learning,
306598
- QAM的调制一解调matlab仿真,欢迎大家下载,多多支持,不错的-The QAM modulation demodulation matlab simulation, welcome everyone to download, great support, good
ijwb
- 一些关于调指和解调的小程序,希望对一些初学MATLAB仿真的有帮助！-Some small program about tuning and demodulation, hope can help you in some beginners MATLAB simulation.