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傅立叶拟合，可以选择拟合的最高频率，经测试，运行良好(Fourier fitting, you can choose the highest frequency of fitting has been tested and runs well)

用于计算GPS卫星坐标计算时读取广播星历文件时使用(Read the broadcast ephemeris file used to calculate GPS satellite coordinates calculation and use)

calcula os sete momentos invariantes momentos hu

k-means clustring clusters through a fully vectorized algorithm

高斯变异的萤火虫群优化算法，实现简单，含有6个测试函数，运行方便。(Gaussian variation glowworm swarm optimization algorithm, simple, containing six test function, easy operation.)

Convert data (an array of integers) to a Base64 string.

卡尔曼滤波器matlab源代码。 function [Y,PY,KC]=myKalman(x,A,B,Q,H,R,y0,P0) 这是我课程设计时做的。(Source code of kalman filter using matlab. function [Y,PY,KC]=myKalman(x,A,B,Q,H,R,y0,P0) This is made by me for my course design。)

基于matlab彩色图像转灰度图的程序，详细请看附件。(Matlab color images based on gray level transfer process in detail see annex.)

Random sea surface simulation based on PM spectra or JONSWAP spectra

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