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用matlab绘制线性调频信号的时域波形，同时对信号进行频谱分析，并考察采样频率以及信噪比对频谱分析的影响。(Matlab drawing with linear frequency modulation signal time-domain waveform, and spectral analysis of signals and the sampling frequency and signal to noise ratio study of the impact of spectrum analysis.)

说明：  matlab学习资料：MATLAB命令大全；MatLab工程数学应用；MATLAB应用程序接口用户指南等内容(matlab material)

说明：  坐标转换：已知n个点在a,b两坐标系中的坐标值，采用优化方法求转换关系（标准的7参数转换关系，x,y,z的移动，x,y,z的旋转，以及缩放系数）ps:附带空间旋转公式。input: points in A and B。 output：transfer relationship （u,v,w: shit of x,y,z。 a,b,g: rotate of x,y,z 。k：zoom）(Coordinate Transfer:A,B are tow coordinates. This program using optimal method to find the transfer relationship of A and B. input: points in A and B。 output：transfer relationship （u,v,w: shit of x,y,z。 a,b,g: rotate of x,y,z 。k：zoom） )

k-mean算法，使用matlab工具箱工具对图像进行聚类分割。(k-mean algorithm, using matlab clustering toolbox tool for image segmentation.)

matlab的几个文件算法能实现图像分割，例如分水岭算法等,区域生长法等。(It can realize image segmentation, such as watershed algorithm and so on.)

matlab中读写SU格式的文件，可用于地震资料的读写(read and write su files while doing seismic date processing)

matlab 6.0 ,word格式，适用广大群众学习matlab.(matlab 6.0)

这是我们的课程作业，有自适应DBF和LCMV的DBF(This is our course work, there are adaptive for DBF DBF and LCMV)

此程序是关于OFDM（正交频分复用）同步中信道响应的程序(This procedure is on the OFDM (Orthogonal Frequency Division Multiplexing) channel synchronization in response to the procedure)

说明：  多元线性回归的MatLAB代码，在MatLAB7.0运行成功！(Multiple linear regression MatLAB code, MatLAB7.0 runs successfully!)