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基于NLMS，RLS等算法的自适应回声消除。(Adaptive echo cancellation based on NLMS, RLS and other algorithms.)

function to load yalefaces face database useful in facerecognition

将MATLAB 函数 colfilt 用C语言编写， 在VS环境下(Use the programming language C to write the MATLAB function confilt )

说明：  matlab的作业，数值分析那门课的算法(jobs matlab, numerical analysis algorithms that course)

which client get the socket

采用PCA提取人脸特征,先计算M个图像的平均值脸，再求出各特征值脸。(Using PCA for face feature extraction, first calculate the average face image of M, and then find the face value of each characteristic.)

implementation of Secure Force Encryption Algorithm for images.

从IMU中提取数据，计算出速度、位移，从而得到运动轨迹，实现定位功能(Calculate velocity and displacement data of IMU, thus we can get movement track and achieve locate function.)

MT9075为E1接口芯片MT9075为E1接口芯片MT9075为E1接口芯片(Combined pcm30 framer,line interface unit and link controllers in a 68pin PLCCor 100 pin MQFPpackage)

常规CFAR检测方法，很有用，可以处理一般雷达回波，得到距离多普勒图(Conventional CFAR detection method is useful)