可以对已有的信号求其循环谱

计算脉搏信号的方法 PPG 脉搏波速度计算 血压(Calculation of Blood Pulse Transit Time from PPG PPG pulse signal calculation method of pulse wave velocity calculation)

说明：  sssxssxwcwvcververververvre

Project management handbook for NASA projects.

matlab 人工智能k紧邻创新实现方式，(matlab k close to the innovative way to achieve artificial intelligence,)

matlab ABC改进版 大家一块学习(matlab ABC an improved version of everyone learning)

电磁暂态计算用EMTP的rule手册，英文版本，中文版翻译不是很好，还是得看英文版(atp emtp rule book ,english version)

simulation machine asynchrone

以rungekutta解ode，根據張鵬永老師的教法(Rungekutta solution to ode, according to Zhang Pengyong teachers teaching)

matlab迭代法代码，很不错，值得看看(iterative method matlab code, very good, worth a look)

利用谱减算法实现对航空录音的处理。主要思想是相对语音进行加噪声，然后再利用算法去噪声，比较前后信噪比的变化。根据实验结构，去噪效果明显。(The use of spectral subtraction algorithm for handling aviation record. The main idea is to increase the relative voice to the noise, and then use the algorithm to noise, signal to noise ratio before and after the change. According to the experimental structure, de-noising effect is obvious.)