4dpsk1

说明：  利用微粒群算法（pso）优化支持向量机（SVM）的参数-c,-g(Using pso optimized support vector machine parameters-c,-g)

Taking gradient of an image

利用MATLAB 计算调制传递函数，在已知波前时，求解调制传递函数。( Purpose: Calculate and Plot MTF of the Wave Aberration Function This file calculates and plots the MTF of the Wave Aberration function specified by: jmax = highest mode in Wave Aberration Expansion Wrmsj = rms Wave Aberration coefficients of modes 0 to jmax d = pupil diameter in mm lambda = wavelength in nm )

旋转Y切-弹性压电薄膜，谐振器的特性计算及分析，用MATLAB编程计算。(Rotated Y-cut- elastic piezoelectric thin film resonator characteristic calculation and analysis, calculated using MATLAB programming.)

Statistical Analysis Practice Problems

基于矩量法的二维金属体散射（内含matlab程序）(2-D metal scattering based on MOM(including matlab code))

粒子滤波（Particle Filtering）是基于贝叶斯估计的一种估计算法，在制导，导航，通信，金融中用着广泛应用。该程序实现了基于粒子滤波方法的动目标跟踪。(Particle Filter (Particle Filtering) is an estimate based on Bayesian estimation algorithm, using the widely used in guidance, navigation, communications, finance. The program implements a moving target based on particle filter tracking.)

对铅酸蓄电池，超级电容，锂电池，三者连接到dc-dc变换器升降压，然后采取不同的控制策略，恒压，恒流，恒功率控制，最后通过逆变器将直流变交流。matlab 仿真(For lead-acid batteries, supercapacitors and lithium batteries, the three are connected to the dc-dc converter to increase and decrease the voltage. Then, different control strategies are adopted to control the constant voltage, constant current and constant power. Finally, the dc converter is changed into an alternating current through the inverter.The matlab simulation)

平面梁单元算例，比较通用的程序，用来平时计算比较方便(plane beam for computing)

说明：  GPS线性最小二乘定位算法matlab仿真(Least-squares algorithm for GPS positioning matlab simulation)