suijishushengchenghanshu

matlab simulink buck boost converter

Its a new optimization algorithm particle swarm optimization with dynamic function analysis.

二维阈值分割，可以把感兴趣的区域提取出来，适用于灰度图像！(2Dthresholding segementation)

盲信号分离程序，用于期望信号的提取，和对干扰信号以及噪声的抑制。(Blind signal separation procedure for extracting the desired signal and suppress interfering signals and noise.)

说明：  这是个混沌理论应用中的李雅普诺夫指数源代码，里面的方程是著名的lorenze方程，它可以帮助我们分析混沌的动力学特性，希望对大家有用(This is application of chaos theory in the Lyapunov index of the source code, which the equation is the famous lorenze equation, it can help us analyze chaotic dynamics, we hope to be useful)

智能天线波束形成的LMS算法，比较齐全，对于研究智能天线波束形成的朋友有参考价值(The smart antenna LMS algorithm of formation, relatively complete)

基于宽带情况下数字下变频的全过程仿真程序 (Case based broadband digital down conversion of the whole process simulation program)

现需要在高度为600~700KM范围内，回归周期为30天的太阳同步轨道上布置一颗L波段的合成孔径雷达卫星。 1. 请设计合适的轨道参数，并仿真对应轨道下一个运行周期内星下点轨迹图（纬度和经度两个图）； 2. 计算多普勒中心频率，多普勒调频率与纬度的关系图（设姿态角为0°，天线视角20°~60°，推荐35°）； 3. 按高斯投影方式，将星下点轨迹图投影到地图坐标上。(Now requires a height of 600 ~ 700KM range, return period of 30 days are arranged on a sun-synchronous orbit L-band Synthetic Aperture Radar satellites. 1 Please design the appropriate orbital parameters and simulate the corresponding orbit within the next operating cycle nadir trajectories (latitude and longitude two graphs) 2. Calculate the Doppler center frequency, Doppler frequency and the relationship between latitude Figure (set attitude angle is 0, the antenna angle of 20 to 60, recommended 35) 3 Press Gauss projection, the nadir trajectories projected onto the map coordinates.)

用于坐标转换 空间球形极坐标转化为空间直角三维坐标(For spherical polar coordinates space coordinate conversion into rectangular space three-dimensional coordinate)

振动信号和噪声信号相关性，simulink s函数(Vibration and noise signals correlation, simulink s function)