jingyanmotaifenjie

simulation of spring system

This code use a Particle swarm optimization algorithm. and then optimize the learning rates of neural network. used is JENKIN s gasro and makey dataset.

雷达脉冲内调制特征的提取技术，用于雷达特征分析与信号分选。这是matlab程序。(Within the radar pulse modulation feature extraction technique for radar signature analysis and signal separation. This is a matlab program.)

SPAMS稀疏优化工具箱,采用VC++编写，面向MATLAB版本的。(This is the source code of the software SPAMS, which needs to be compiled before begin used.)

杜芬系统受迫振动的数值解，及位移与速度分岔，非线性振动初学者可以参考。(Numerical Solution of Duffing system by forced vibration, displacement and velocity and bifurcation, nonlinear vibration beginners can refer to this file.)

说明：  周克敏 鲁棒控制基础（essential of robust control） 书后部分习题(周克敏the basis of robust control (essential of robust control) part of the book Exercises)

平面钢架元的有限元分析编码，其中列出了需用到的函数的编码，可以直接调用(Flat steel element finite element analysis code, which sets out the need to rely on the encoding function can be called directly)

matlab非线性预测控制nmpc，源代码程序，很经典(matlab nonlinear model predictive control nmpc, source code, very classic)

用MATLAB编写的有限元程序，包含了有限元求解的各个细节过程。(MATLAB prepared by the finite element program, including the finite element solution details.)

基于HHT的matlab实现，通过EMD对信号进行分解，利用HHT变化得到时频谱(Based on the signal matlab HHT transform implementor)