Q1

说明：  对地震计录进行fk滤波，适用于初学者，可以下载学习(fk filter,FK filtering for seismometer recording is suitable for beginners and can be downloaded for learning)

精通MATLAB7.0，北航的张志涌著作(Proficient in MATLAB7.0, Beihang writings of Zhang Yong)

数字水印的傅里叶算法，大学本科论文，图像处理，信息安全等。(Fourier transform algorithm of the digital watermark, undergraduate thesis, image processing, information security.)

The program computes and plots the equation of time, the declination, and an analemma curve for various orbital parameters. The analemma is the curve traced by the position of the sun, measured at clock noon, over a year.

随机信号谱分析 基于matlab 随机信号的频域谱分析 自谱 互谱 窗函数等 十分实用(Spectral analysis of random signals Matlab random signals based on spectral analysis of frequency-domain cross-spectral window function from the spectrum of other very useful)

用matlab实现了PID 控制的编程，得到了较好的控制效果(Realize a PID control with matlab programming, get a better control effect)

matlab数值求解数学非线性方程方法组文档(matlab numerical solution of nonlinear mathematical equation method set of documents)

层次分析系统的算法，我找了很久才找到的，很不错(Analysis System-level algorithms, looking for a long time before I found very good)

matlab环境下的高斯白噪声生成，设计，及说明(matlab environment generated white Gaussian noise, design, and description)

find the feature of ECG beat and PQRST wave