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介绍信号与系统分析的内容并应用matlab实现(The introduced signal and system analysis and application of matlab)

MATLAB AR模型三谱计算程序，我们实验室用的，完美运行

小波图像二次压缩，MATLAB简单编程,改下路径即可用(Wavelet image compression)

关于ofdm的matlab程序，包含viterbi程序(On ofdm in matlab program, including procedures viterbi)

matlab中的simulink简易教程 非常好用 matlab中的simulink简易教程 非常好用 matlab中的simulink简易教程 非常好用(Matlab Simulink simple tutorial is very easy to use)

This FDTD 1D simulation based on Dennis Sullivan book s. Wave propagation in vacuum bacground and penetrates Dielectric media tipe I.

在MATLAB环境下，实现对Lena图像的边缘提取，主要对比了Roberts、Prewitt、Sobel、Laplace四种算子的边缘提取的效果(In the MATLAB environment, to realize the Lena image edge extraction, mainly comparing Roberts, Prewitt, Sobel, Laplace edge detection operator of four results)

matlab 模式识别工具包 希望能对你们有用(pattern recognition matlab toolkit hope to be useful to you)

Modelo de dos rayos de Andrea Goldsmith (figura 2.5, según expresión 2.12) f = 0.9 frecuencia en GHz landa = 0.3/f en m R = -1 coeficiente de reflexión en tierra ht = 10 altura del transmisor en m hr = 2 altura del receptor en m Gt = 1 Gr = 1 Pt = 1 d=10:.1:100000 phase_diff = 4*pi*ht*hr./(landa*d) aproximación Pr = Pt*((landa/(4*pi))^2)*((abs((sqrt(Gt)./d) + (R*sqrt(Gr).*(exp(-sqrt(-1)*phase_diff)))./d)).^2) Pr = Pt*((landa/(4*pi))^2)*(1./d).*((abs((sqrt(Gt)) + (R*sqrt(Gr).*(exp(-sqrt(-1)*phase_diff))))).^2) figure(1), clf, plot((d),10*log10(Pr/max(abs(Pr)))) grid xlabel( log_1_0(d) ) ylabel( Potencia recibida (dBm) )

说明：  利用matlab实现QPSK,16QAM,64QAM三种调制方式的调制和解调。(Using matlab to achieve QPSK, 16QAM, 64QAM modulation of three modulation and demodulation.)