thedigitalmodulationsysteanalysisandsimulation

说明：  newton插值应该比lagrange好一点点，适合求解线性方程组，(lagrange interpolation newton than a little bit of good, suitable for solving linear equations,)

MATLAB神经网络功能的使用教程，详细介绍了神经网络技术的功能、原理及编程(The use of MATLAB neural network function tutorial, neural network technology was introduced in detail the function, principle and programming)

It is about the modeling and the simulation of the D.C machines under the Matlab software into which the libraries Simulink and SimPowerSystems are integrated. These libraries contain blocks of modeling which allow indicates it, simulation, the implementation and the system monitoring of communication and processing of the signal. The objective thus is to study the operation of the various types of D.C machines.

说明：  用于计算目标回波信号，散射中心提取，可应用于各种目标(It can be used to calculate target echo signal and extract scattering center. It can be applied to various targets.)

dijkstra algorithm as a shortest path finder in terms of cost very simple for the beginners

在现代测试技术中，考虑到传感器特性，针对传感器特性曲线非线性问题的补偿(In modern testing technology, taking into account characteristics of the sensor, the sensor characteristic curve for the compensation of nonlinear problems)

Solving the LP problem using Simplex method

双音多频信号，根据输入的音频信号判断实际对应的数字(Dual tone multi-frequency signal, the audio signal is determined based on the actual input of the corresponding number)

This Matlab Code models a Rayleigh fading channel using a modified Jakes channel model. A modified Jakes model chooses slightly different spacings for the scatterers and scales their waveforms using Walsh–Hadamard sequences to ensure zero cross-correlation. alpha_n = frac{pi(n-0.5)}{2M} and eta_n = frac{pi n}{M}, results in the following model, usually termed the Dent model or the modified Jakes model: R(t,k) = sqrt{frac{2}{M}} sum_{n=1}^{M} A_k(n)left( cos{eta_n} + jsin{eta_n} ight)cos{left(2pi f_d t cos{alpha_n} + heta_{n} ight)}. The weighting functions A_k(n) are the kth Walsh–Hadamard sequence in n. Since these have zero cross-correlation by design, this model results in uncorrelated waveforms. The phases ,! heta_{n} are initialized randomly and have no effect on the correlation properties. Matlab fast Walsh-Hadamard transform function is used to efficiently generate samples using this model.

Different Spectrum analysis with matlab