source-program

matlab中wave文件的绘图功能源代码，可以(Matlab which documents the wave function mapping the source code, you can try)

 产生长度为1000的标准正太分布的随机信号，画出时域波形及频谱；  采用u=255的非均匀PCM编码，每符号为8bit，画输入-输出关系图；  计算信号量化噪声比（SQNR）；  信道误码率为10-3；  解码，并画出u律反变换后的信号时域波形及频谱。 扩展要求：  采用均匀PCM、量化级数可变、信道误码率可变。 ( have a standard length of 1000 is too random signal distribution, draw time-domain waveform and frequency spectrum  u = 255 using the non-uniform PCM encoding, each symbol for 8bit, drawing input- output relationship diagram  calculated quantization noise signal than (SQNR)  channel bit error rate of 10-3  decoder, and law to draw u the signal after the inverse transform time-domain waveform and frequency spectrum. Expansion of the requirements:  uniform PCM, quantization level variable, a variable channel bit error rate.)

找指紋特徵點 並圈選出來的 matlab 程序(Matlab program to find the fingerprint feature points and circle out)

构建了一个三层模型，并与雷克子波进行卷积，实现了地层正演模型(Construction of a three-tier model, and with Leike Zi wave convolution to achieve the stratigraphic forward model)

用FISHER算法和基于核的FISHER算法实现样品的分类(Algorithm of FISHER FISHER algorithm based on the core sample classification )

频率域低通滤波进行图像去噪，巴特沃斯低通滤波器(Frequency domain low-pass filter for image denoising, Butterworth low-pass filter)

先进PID控制，小脑神经网络与PID结合实现系统控制(Advanced PID control, cerebellar network and PID system control)

说明：  使用matlab可以读取标准地震格式segy格式的地震数据(Read seismic data in SEGY format)

说明：  用matlab提取语音信号，并进行处理，提取语音信号的特征参数(programed by matlab ,a very good thing)

QPSK调制后产生QPSK信号，QPSK信号分别通过AWGN信道、Rayleigh衰减信道和Rician衰减信道，分别通过QPSK解调出数字信号，通过输入与输出数字信号的对比计算出仿真过程中的传输误比率，并将其与各衰减信道的理论误比率进行对比(Generate QPSK signal QPSK modulation, QPSK signals through AWGN channel, Rayleigh fading channel and Rician fading channel, respectively, through the QPSK demodulation of digital signals by comparing input and output digital signals to calculate the simulation process of transmission error rate, and to compare with the theoretical error rate for each decay channel)