122345456

Pisarenko harmonic decomposition algorithm, There are cycle detection, periodic testing, Least-squares regression analysis algorithm.

This is wireless sensor network simulation source

说明：  高阶累积量进行识别常用的数字调制信号，低信噪比下识别率高达90%(It uses the method of high cumulant to recognize usual digital signals, under low SNR, the radio is still over 90%.)

说明：  matlab生成泰森多边形,并到处到txt文件，可用于晶体塑性有限元建模(generate a voronoi model and export to files)

说明：  通信系统中的simulink仿真，不同信道的误码率性能以及数字通信中的自适应均衡，语音压缩技术中的线性预测编码，RLS干扰抑制等(Simulink simulation in communication system, bit error rate performance of different channels and adaptive equalization in digital communication, linear predictive coding in speech compression technology, RLS interference suppression, etc)

说明：  计算电力系统的连锁故障的途径，用来计算电力系统的连锁故障演化机理(A document for calculating cascading failures of power system, which is used to calculate cascading failures of power system)

说明：  实现雷达信号处理仿真，LFMMTIMTD(radar signal processing,including MTI,MTD,LFM signal)

对局部放电信号的处理的程序，放电次数，相位，放电量的3维谱图。(Of partial discharge signal processing procedures, discharge frequency, phase, the discharge amount of 3-D spectrum.)

说明：  2. 关于无线信道的多普勒谱，请回答以下问题： (1) 在某些无线信道中，多普勒频移会引起无线信道输出信号的混叠。请描述产生混叠的各种原因； (2) 无线信道中的多普勒谱有一种经典谱(classic spectrum)，请解释产生这种谱形状的机理； (3) 请用Simulink工具编写代码(S-Function方式)，产生一单径瑞利信道，其多普勒谱为经典谱，其中移动速率为120km/h。并请描述：自己用计算机产生的经典谱是正确的依据。(2. Regarding the doppler spectrum of the wireless channel, please answer the following questions: (1) in some wireless channels, doppler frequency shift will cause aliasing of the output signals of the wireless channel.Describe the various causes of aliasing; (2) there is a classic spectrum in the doppler spectrum in the wireless channel, please explain the mechanism of producing this spectrum shape; (3) please use Simulink tool to write code (s-function mode) to generate a single-path Rayleigh channel, whose doppler spectrum is the classical spectrum, in which the moving rate is 120km/h.And please describe: your own computer generated classical spectrum is the correct basis.)

主要用于MATLAB编程语言，研究行人动力学的社会力模型(Mainly used in MATLAB programming language to study the social force model of pedestrian dynamics)