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das
- Demodulating the signal. DeAmpMod = (1/2).*(ademod(AmpMod,Fc,Fs, amdsb-sc ,num,den)) (ALTERNATIVE APPROACH) DeAmpMod = AmpMod.*Cs Designing butterworth low pass filter. [num,den] = butter(2,.8) FilteredOutput = filter(num,den
Amplitude_mod_m
- fm=input( Enter the message signal frequency fm= ) fc=input( Enter the carrier frequency fc= ) Am=input( Enter the message signal amplitude Am= ) Ac=input( Enter the carrier signal frequency Ac= ) n=input( Enter the no of DFT points: )
OFDM_fangzhen
- 本程序对OFDM这一调制方式的基本流程进行了仿真，通过高斯白噪声信道，接收信号解调，对比发送和接收信号波形，并画出功率谱密度图形-This program OFDM modulation scheme of this basic flow of the simulation carried out by white Gaussian noise channel, the received signal demodulation, compare sent and received signal
bpsk_Awagn_Rayleigh
- 实现了一个直接扩频系统，使用BPSK作为调制解调方法。并比较白噪声AWGN及瑞利衰落(rayleigh fading)环境下，误码率的影响。-There are two files in the zip folder. bpsk_spread.m and jakesmodel.m Steps for simulation: 1] Run jakesmodel.m first 2] Then run bpsk_spread.m . 3] Note that during the f
RAKE_BER_CONVENC_QPSK
- *Demonstrate convolutional encoding and decoding *Simulate BER for QPSK and BPSK, plot and then **compare the result with the theoretical value. *compare SER of the Rake and ML. – Symbols are taken randomly from QPSK. – Run the simulation for
ch5example11prog1
- 彩色电视机隔行扫描原理，plot程序实现隔行扫描，简单实用-Principles of color television interlacing
ca-correlation
- matlab语言写成的gps信号中ca码的互相关和自相关绘图-written in matlab gps ca code signal cross-correlation and autocorrelation plot
tinyaxis
- 此函数可显示在左下角的情况下所提供的轴的方向。通过这种方式当轴被禁用方向仍然可以看到。-This function shows the orientation of the provided axes plot in the lower left corner. This way the orientation can still be seen when the axis are disabled.
Chapter-3---Sampling-Quantization
- read audio signal and plot the spectrum
Chapter-3---Sampling-Quantization-2
- sampling of audio signal and plot the spectrum after sampling
Chapter-3---Sampling-Quantization-3
- quatization of audio signal and plot the signal after quantization
IQ_ImbalanceSpec
- scr ipt for showing the spectral plot in the presence of I-Q imbalance
Alamouti-Space-Time-Code
- 无线通信技术的空时编码技术的代码，研究信号的信噪比，调高信道质量-This is a function that simulate the Alamouti Space-Time scheme and plot a BER vs SNR graph
bpsk
- bpsk bit error rate plot
t
- dec2bin bin modulation to manchester and qpsk plot qpsk, fft and manchester.
pitch_
- 求pcm文件的基音周期，用matlab编写，作图说明，用平均幅度差算法修正自相关算法来求基音周期-Find the pitch period pcm files, using matlab, plot descr iption, with the average magnitude difference algorithm for auto-correlation algorithm to find correct pitch
yuandaima
- matlab环境下的残留边带条幅信号的调制与解调，绘出频率密度-matlab environment vestigial sideband modulation and demodulation signal banners, frequency density plot
eye-plot
- ofdm系统中的眼图的分析 用matlab进行分析 对 眼图很好的研究-ofdm system in the eye diagram analysis using matlab for a good analysis of the eye diagram
assignment
- Compute the PAPR and Plot the empirical CCDFs using QPSK modulation
fangzhen
- 这是一个用matlab软件仿真移动通信小区的模型，简单建立25个小区，并截取其中一个三角形小区当做软切换的环境。-This is a matlab software simulation model of the mobile communication cell, simple establishment of 25 plots, and the interception of which a triangular plot as a soft switching environment.