singal_system_analysis

inverse updaing source code in matlab

基于瞬时无功功率理论的谐波检测ip-iq改进方法，值得学习(Based on instantaneous reactive power theory, ip-iq improvement of harmonic detection method, it is worth learning)

数字信号的传输方式分为基带传输和带通传输，在实际应用中，大多数信道具有带通特性而不能直接传输基带信号。为了使数字信号在带通信道中传输，必须使用数字基带信号对载波进行调制，以使信号与信道的特性相匹配。这种用数字基带信号控制载波，把数字基带信号变换为数字带通信号的过程称为数字调制。通常使用键控法来实现数字调制，比如对载波的振幅、频率和相位进行键控。(Transmission of digital signals into base band transmission and band-pass transmission, in practice, most of the channel with band-pass characteristics can not directly transmit base-band signal. In order to make the digital signal is transmitted with a communication channel, you must use the digital baseband signal to modulate the carrier to make the signal to match the characteristics of the channel. The digital baseband signal control with a carrier, the digital baseband signal conversion to digital bandpass signal is called digital modulation. Keying method is commonly used digital modulation, such as on the carrier' s amplitude, frequency and phase shift keying.)

搜寻最短延时的交织m序列伪码，可选择m序列的长度，自动产生生成多项式(Search for the shortest delay interwoven m PN sequence can choose the length of m sequence, automatically generating polynomial)

ewtons.m to solve a set of nonlinear eqs f1(x)=0, f2(x)=0

This code generate LFM chirp with any length, cycles, delays, and phase offsets. It also ensure continous phase change from one pulse to the other.

Dynamic Time Warping Function in MATLAB

基于Matlab的异步电机的起动、控制、调速等的仿真(asynchronous motor matlab simulink)

给学计算机接口与控制的同学发福利了，一些简单易实现的pid控制源码，直接在matlab上就可以跑起来(To learn computer interface and control the welfare of the students sent some simple and easy to achieve pid control source, directly in matlab can run up)

MATSNL is a package of MATLAB M-files for computing wireless sensor node lifetime/power budget and solving optimal node architecture choice problems. It is intended as an analysis and simulation tool for researchers and educators that are easy to use and modify. MATSNL is designed to give the rough power/ lifetime predictions based on node and application specifications while giving useful insight on platform design for the large node lifetime by providing side-by-side comparison across various platforms.