naturalfreq

Its an model for buck converter input volatge is around 96volt and out put voltage is around 12Volts. typically used in telecommunication industries.

This file gets the satellite coordinates in the orbital plane and computes its coordinates in the cartezian system

产生一个连续信号，包含低频，中频，高频分量，对其进行采样，进行频谱分析，分别设计低通，带通，高通滤波器对信号进行滤波处理，观察滤波前后信号的频谱。(Generates a continuous signal, including low-frequency, medium frequency, high frequency components, its sampling, spectral analysis, were designed low-pass, band pass, high pass filter for filtering the signal, observed before and after filtering the signal spectrum.)

simulation UPQC in matlab using state space model

实现基本的PCM编译码功能，函数简单，程序可行(PCM encoding and decoding functions to achieve the basic function is simple, practical procedures)

desribes how to connect pscad through matlab

iOS中自定义pagecontrol的DEMO，很适用很好(DEMO iOS custom pagecontrol, it applies very well)

analysis of ber in fbmc and ofdm

The code summerize how to calculate the jitter (RMS) with the incoming signals, such as optical communications and clock and date recovery circuit

The file contains code for hiding text in an image file.