Ex1_AMDemod

轨道根数和位置的转换 naname和nadata是行星的名字和轨道根数(The the conversion naname nadata of the orbital elements and the location is the name of the planet' s orbital elements)

matlab 在led二次光学设计中的数值计算例程，不是原创，不过很有参考价值！(matlab numerical calculation routines, led the second optical design is not original, but a good reference value.)

基于扩展卡尔曼滤波的多通道带乘性噪声系统状态的仿真程序，对初学者可能会有很大帮助(Simulation program for multi-channel with multiplicative noise of the system state)

这个是对16QAM各种界的一个整理，给出了仿真程序，对于初学者来说具有重要的意义。(This is a finishing 16QAM various circles, the simulation program, for beginners is of great significance.)

语音对数谱，语谱图，倒谱的代码，自己编写的，可以运行(Speech log spectrum, the spectrogram, cepstrum of the code, I have written, you can run)

CAP10 - High-Voltage Direct-Current Transmission - Power System Stability and Control - P. Kundur(1)

本程序是对宽带信号波达方向的估计算法，利用频域平滑技术，有一定的参考价值(DOA estimation of wideband signals)

经典谱估计的几个经典算法，包括BT法，周期图法，改进周期图法等。。。MATLAB7.3上顺利编译通过(Classical spectral estimation of several classic algorithms, including the BT method, periodogram, modified periodogram method. . . MATLAB7.3 compile smoothly)

matlab扩展编程，介绍了matlab的新特性，常用的代码优化方法和功能扩展途径(matlab Extension programming )

说明：  使用卡尔曼滤波器对信号进行滤波，不局限于工频干扰的频率，简单方便(Kalman filter using the signal filtering, frequency interference is not limited to frequency, simple)