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这是一个基于灰度相关进行影像匹配的小程序，基于matlab编写(This is a gray correlation based on the image matching small procedures, based on the preparation of Matlab)

Radon Transform and Inverse radon 180 degree movement step by step

Time_FFT_NarrowBand_v3.zip it has an input data.

matlab中的画图程序，包括了坐标设置，最大范围设置，增加网格，网格间距，曲线颜色粗细，曲线类型。(Matlab drawing program, including the coordinate set, maximum range setting, increasing the grid, the grid spacing, color thick curve, curve type.)

very important to understand tomography of medical MRI images

L型阵列music算法DOA估计 二维DOA估计，matlab代码(DOA estimation of music algorithm )

添加噪声处理，用于时频分析算法，实现六自由度运动学逆解算法。( Add noise processing, For time-frequency analysis algorithm, Six degrees of freedom to achieve inverse kinematics algorithm.)

粒子群算法改进的自适应蝙蝠算法,具有很好的收敛速度和收敛精度(Improved adaptive bat algorithm based on particle swarm optimization has good convergence speed and convergence accuracy.)

harmonic filter passive excersice

To provide Security for the images which are being transmitted through Open communication