MailSendingServices

to convert quat to euler

This tests the new String object method: concat.

分数阶傅里叶变换计算方面,可以提取一幅图中想要的目标，小波包分析提取振动信号中的特征频率。( Fractional Fourier transform computing, Target can be extracted in a picture you want, Wavelet packet analysis to extract vibration signal characteristic frequency.)

for beginers who to learn matlab

An example want to present to memmber for nonlinear

In mathematics, the discrete-time Fourier transform (DTFT) is one of the specific forms of Fourier analysis. As such, it transforms one function into another, which is called the frequency domain representation, or simply the "DTFT", of the original function (which is often a function in the time-domain).(This file includes matlab source code about DTFT and also includes explanation report)

基于lcL滤波器的三电平有源电力滤波器（APF）的仿真设计，包括（谐波检测， 电流跟踪环节）（SPWM调制） 离散域(Based on the three-level lcL filter active power filter (APF) simulation design, including (harmonic detection, current tracking link) (SPWM modulation) discrete domains)

cycloconverter with freqency 50 hz to 100hz

说明：  几种常用的随机数生成函数的matlab程序(Several commonly used random number generator function of matlab program)

可以对数量少、残缺、不完整的数据进行预测，如人口、缺水量等。也可以对灾害发生时间进行预测。(Can be a small number, mutilated, incomplete data to predict, such as population, water shortage and so on. You can also predict the time of occurrence of the disaster.)