matlab_fem

A low pass Noise, FM discriminator and Envelop Detector matlab code

近红外光谱小波变换预处理方法，能将信号分解成一系列小波函数的叠加，这些小波函数都是由一个亩小波函数平移和伸缩得到的。(Near infrared spectra pretreatment method, wavelet transform signal can be decomposed into a series of wavelet function, the wavelet function is a function by a mu wavelet translation and scaling. )

单服务台排队系统，使用matlab语言，利用事件步长法，实现的一种离散事件系统(Single-server queuing system)

Demo of discrete time windowing for 4F7 course (lecture 2): Spectrum of two complex exponentials added together

卡尔曼滤波算法和扩展卡尔曼滤波算法在目标跟踪到的应用(Kalman filter and extended Kalman filter algorithm to the application in target tracking)

全相位时移相位差频谱校正法的文章，帮助大家学习。(All phase shift the phase spectrum correction method, article, and help them to learn)

Code Matlab Cholesky vectors perturbed matrix, number of conditioning, matrix disturbed, normal matrix.

详细的介绍了有限元在结构分析中的应用理论以及编程。。(A detailed description of the theory of finite element structural analysis and programming..)

Bi-directional sigmoid, one-way sigmoid, linear function, sign function implementation on Matlab

置换熵，一种度量信号混乱程度的非线性指标，permutation entropy(Permutation entropy, a nonlinear signal indicators measure of disorder, permutation entropy)