radar-signal

this is the programs for robert prewwitt sobel operators for images from gonazalvez book digital image processing

运用KPCA方法在ORL人脸库上进行人脸识别，分类器为最近邻分类器。(KPCA method using ORL face database for face recognition, classification for the nearest neighbor classifier.)

FastICA的Matlab程序，欢迎大家指教！(FastICA the Matlab program, we are happy to improve!)

MATLAB的源代码（某大牛写的），完成了70 的功能。(MATLAB source code (written by a large ox), completed 70 of the function.)

M/M/1 模型,主要用来求解单对单服务台的模型，过程比较简介，适合任何分布(M/M/1 model, mainly used to solve the one-on-one help desk model, the process is relatively brief, suitable for any distribution)

在数字信号处理时对数据进行压缩，采用matlab实现霍夫曼编码(To compress the data in digital signal processing using MATLAB achieved Huffman coding.)

程序1：周期信号（方波）的展开 程序2：用图形表示DSB调制波形及其包络线 程序3：通过傅里叶变换找出被随机信号淹没的信号频率 程序4：DSB-AM 双边带幅度调制和解调 程序5：AM调制和解调(Procedure 1: periodic signal (square wave) Program 2: graph DSB modulation waveform and its envelope Application 3: through the Fourier transform to find out the submerged by random signal signal frequency Program 4: DSB- AM double sideband amplitude modulation and demodulation Program 5: AM modulation and demodulation)

求解一维热方程。空间方向采用四阶差分格式，时间方向采用bvm法(Solving one-dimensional heat equation. Spatial orientation difference scheme with fourth order, the time direction by bvm method)

本程序将时域数据转换为频域（功率谱密度），方便数据的处理和分析。(The program time-domain data is converted to the frequency domain (power spectral density), to facilitate the processing and analysis of data.)

数字滤波器的matlab仿真程序滤波器为fIR型的4阶切比雪夫I型带通滤波器，通带范围为10000—15000Hz，通带左边的阻带的截止频率为8000Hz，通带右边的阻带起始频率是18000Hz，通带最大衰减为1dB，阻带最小衰减为30dB，其采样频率为50000Hz，数据点数为1024个。(Digital filter matlab simulation program)