kongying

This is a work version of STK500 programmer in Altium DXP. If anyone find errors in schematic, pls. post message. Thanks!

generation of random nodes for wsn

分形维数计算，差分盒计数法，编译过，可以用(chafen)

BPSK system implemented using Matlab/Simulink

各种局部优化算法，变邻域算法，改善局部优化效果，加快运行效率，可运行(A variety of local optimization algorithm, variable neighborhood algorithm, to improve the local optimization effect, speed up the running efficiency, can be run )

The optimization behavior of the self-adaptation (SA) evolution strategy (ES) with intermediate multirecombination (the (=I )-SA-ES) using isotropic mutations is investigated on the general elliptic objective function. An asymptotically exact quadratic progress rate formula is derived. This is used to model the dynamical ES system by a set of difference equations. The solutions of this system are used to analytically calculate the optimal learning parameter  . The theoretical results are compared and validated by comparison with real (=I )-SA-ES runs on typical elliptic test model cases. The theoretical results clearly indicate that using a model-independent learning parameter  leads to suboptimal performance of the (=I )-SA-ES on objective functions with changing local condition numbers as often encountered in practical problems with complex fitness landscapes.

Kalman filter examples, kalman_update

Matlab introduction and programming V7

本代码对深沟球滚动轴承的滚动体做了深刻的研究，并进行了仿真分析，里面的数据来自于美国西储大学。(The rolling bearings of deep groove ball rolling, the code has made a profound study, and simulation analysis, which the data from the Case Western Reserve University in the United States.)

利用逆转换法，用均匀分布随机数产生指数随机数的数学实验，并绘制直方图检验效果,有兴趣的matlab初学者不妨看看，直方图绘制方法可推广借鉴(mathematical experiment: using a random number to create exp distributed random index number, and drawing the histogram test the effect, catering to interested matlab beginner.)