iam1hack

Graphical Layout Editor extends Graphical Editor With Palette.

北大ACM暑期培训讲义，主讲人为北京大学历届World Final选手，具有一定的参考价值。(ACM Peking University summer training handouts, presenter of Peking University successive World Final players, has a certain reference value.)

hht1.介绍2.非平稳数据处理方法回顾（声谱图、小波分析、WVD、改进谱、经验正交函数展开、其他各类方法）3.瞬时频率4.固有模态函数5.经验模式分解方法：过滤方法6.完整性和正交性7.希尔伯特谱8.确认和校准希尔伯特谱9.应用（经典非线性系统大量的结论、试验中得到的观测数据）10.讨论11.结论(1. Introduction 2. Non-stationary data processing methods Review (spectrogram, wavelet analysis, WVD, improving the spectrum, empirical orthogonal function expansion, other types of methods) 3. Instantaneous frequency of 4. Intrinsic mode function 5. Empirical Mode Decomposition Methods: filtering methods 6. completeness and orthogonality 7. Hilbert spectrum of 8. to identify and calibrate Hilbert spectrum 9. Applications (classical nonlinear systems a lot of conclusions, the trial in the observational data) 10. discussion 11. Conclusions)

飞行器气动参数辨识领域一本很好的参考文献，值得一读。。(A good reference book of parameter identification)

networked system estimation dynamic systems

Ansoft瞬态场计算步骤及与RMxprt的结果对比(Ansoft transient field calculation steps and results contrast with RMxprt)

说明：  预加重与去加重介绍；对高速信号进行补偿；(Introduction of Pre-emphasis and De-emphasis)

该代码为XML编程与应用教程第二章课后习题实验答案。(The code for XML programming and Application Tutorial second chapter after-school exercise experiment answer.)

扫描版的Energy Function Analysis For Power System Stability 数据部分，此书目前很难获得，资料珍贵。(Scan version of Energy Function Analysis For Power System Stability data section, the book is currently difficult to obtain valuable information.)

利用ansys进行球壳的建模，可以用来模拟液体储罐的大型工业结构的分析计算(Ansys modeled using a spherical shell, can be used to simulate large-scale industrial structure analysis and calculation of liquid storage tanks.)