curve_fit(1)

说明：  matlab 使用自定义函数，进行幂函数拟合。(use a custom matlab function for fitting the power function.)

编程仿真连续小推力实现GTO到GEO的三阶段转移过程，其中推力器的推力大小为0.8N，轨道机动的起始点为GTO的远地点。GTO轨道的升交点赤经为0度，近地点角距为90度。 GTO轨道： ph:185km，ah：35786km，i：28.5°，GEO轨道：h：35786km，i：0°。 卫星质量为6600kg，从GTO到GEO，采用5000s的推力器。取地球半径为6378km，g取值为9.8m/s^2(The three stage transfer process from GTO to GEO is realized by simulation and continuous small thrust. The thrust of the thruster is 0.8N, and the starting point of orbital maneuver is the apogee of GTO. GTO orbit RAAN is 0 degrees, 90 degrees for the argument of perigee. GTO orbit: ph:185km, ah:35786km, i:28.5, GEO orbit: h:35786km, i:0. The mass of the satellite is 6600kg, from GTO to GEO, using the 5000S thruster. The radius of the earth is 6378km, and the value of G is 9.8m/s^2)

Post codes, solve GA-knapsack with the help of genetic algorithms using MATLAB software.

说明：  求解语音信号的短时过零率、短时能量、短时自相关特征，分析实验结果，并能掌握借助时域分析方法所求得的参数分析语音信号的基音周期及共振峰。(The short-time zero-crossing rate, short-time energy and short-time autocorrelation characteristics of speech signal are solved, and the experimental results are analyzed. The pitch period and resonance peak of speech signal can be analyzed by the parameters obtained by time-domain analysis method.)

应用数值方法解算一维热传导问题，简单实用，含有源程序和简单说明，参数和变化和调整，可以根据需求进行修改，使用程序：Matlab(Use numirical method to solve 1-D heat transfer problem,the code and paremeter can be modified dependent on your need)

读取csv文件 可以实现与matlab交互用，或与其他文件交互，程序较小但可用(read vsc files Interacting with Matlab can be achieved using the Read CSV file, or interact with other documents, the program small but can be used)

巴克码（相位编码脉冲信号）的波形、频谱和模糊函数的计算。((Phase-coded pulse signal) is calculated waveform, spectrum and ambiguity function Barker code.)

说明：  ＬＥＡＣＨ算法ＭＡＴＬＡＢ源代码，适合研究使用(LEACH algorithm matlab source code, suitable for research and use)

实现FIR滤波器设计，执行代码可以进行FIR滤波功能。(FIR frighting desgion.)

algorithm optical flow