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here i have attatched codes for pca image processing

基于matlab心音信号处理，正常异常心音的波形图绘制(Matlab signal processing based on heart sounds, abnormal heart sounds normal waveform drawing)

高频地波雷达中双排线形天线阵列的盖氏圆盘法估计信号源数(HFSWR dual linear antenna array's disk covered Estimation of Signal Number)

建模层次分析法例题，主要是求特征根特征向量(AHP legislation modeling problem)

Contemporary Communication Systems using Matlab - Proakis and Salehi

scm信道模型及其扩展模型，对SCM信道模型实现的信道特性进行了全面的仿真与分析。 (failed to translate)

canny edge detection and some other programs

说明：  三弯矩插值法 lagrange多项式插值 多项式最小二乘法 龙贝格积分法 分段线性插值 三转角插值 这些是数值分析中常用的集中经典方法，运用matlab展示出来！(three polynomial interpolation Hangzhou least squares polynomial interpolation Romberg integration subparagraph Line sex angle interpolation three interpolation these numerical analysis is commonly used in concentrated classical methods, and use Matlab show!)

实现了一类三涡卷混沌吸引子的同步，参考文献《一类三涡卷混沌吸引子产生与同步的研究》(To achieve a class of three-scroll chaotic attractors simultaneously, references, " a class of three-scroll chaotic attractors generation and synchronization of research" )

usefull commands for matlab introductions and mathematical fuctions