theJDBC2

3-dimension fdtd code using matlab

对通信中应用广泛的Kalman滤波进行matlab编程，并且得到的滤波效果比较理想，恢复的信号误码率可以达到很低。(Widely used for communications in the Kalman filter for matlab programming, and get the filter effect is ideal to restore the signal can reach very low bit error rate.)

EKF，非线性滤波方法，EKF可以得到更好的重要性密度函数，能够更好的得到效果。(EKF, nonlinear filtering method, EKF can get better the importance density function, can get better results.)

包含有希尔伯特黄变换的主程序、边际谱的计算方法、并绘制了仿真信号的FFT频谱和功率谱，并调用emd分析方法，绘制了emd分解结果，以及瞬时包络和瞬时频率图，还有Hilbert-Huang谱和Hilbert边际谱( Including the main program of the Hilbert Huang transform, marginal spectrum calculation method, and draw the simulation signal FFT spectrum and power spectrum, and call EMD analysis method, drawn EMD decomposition, and instantaneous amplitude and instantaneous frequency map and Hilbert spectrum and Hilbert marginal spectrum)

通过小波包分析带有随机噪声的信号，分析其障碍信号的功率谱(Use wavelet packet analysize signal with random noise, analyzes the obstacle signal power spectrum)

说明：  先进PID程序（刘金琨）第二版MATLAB程序！(Advanced PID program (Liu Jinkun) Second Edition MATLAB program!)

本资料包含了系统的matlab建模用算法(This pack contains the system matlab modeling algorithm used)

program to calculate the montly mean of diary rainfall data base

FLIGHT 6-DOF Trim, Linear Model, and Flight Path Simulation Businesss Jet Aerodynamic Model

人工蜂群算法是一种典型的模拟自然现象的优化算法(Artificial colony algorithm is a kind of typical optimization algorithm simulating natural phenomena)