Matlab--Simulink--and-a-Communications-Example

利用matlab进行声纳模型的简单建立，用于以后的仿真程序(Simple use matlab to establish sonar model for future simulation program)

通过提取的图像，进行椭圆参数计算，绘制出椭圆。(By extracting the images, for calculating the ellipse parameters, draw an oval.)

This demo introduces Matched Filter in CDMA system schemes wherein the data stream is subdivided into independent sub-streams, one for each transmit antenna employed. As a consequence, they provide a multiplexing gain and do not require explicit orthogonalization as needed for space-time block coding.

谱元法（sem)谱结构程序，用于各类波场的模拟计算(Spectral element method (sem) spectral structure of procedures for the various types of wave field simulation)

idft using dit fft of the sequence and comparing using ifft function

这是一本很权威的由张德峰老师编写的小波分析的书相应的源代码(This is a very authoritative and written by Zhang Defeng teacher' s book of wavelet analysis the source code)

10重交叉检验函数，很好用，可以直接 调用。对做模式识别分类很有用。(10-CrossValidation is very good for pattern cognization)

matlab simulation example

调制与解调用于随机共振的微弱周期信号检测,随机共振经典论文(failed to translate)

这个 matlab 代码仿真了M-QAM的传输。M的取值不同，调制方式分别为4QAM，16QAM，64QAM等。传输信道为AWGN信道，能出误码率曲线(Digital Unit Impulse Discrete Harmonic Signals and their Linear Combination Harmonic Signal with Exponential Envelope. Periodic Sequence of Rectangular Impulses Mixture of Harmonic Signal and White Gaussian)