Digital_Signal_Processing_an_Introduction_with_MA

用于超声仿真的matlab，用于仿真B超，声辐射力，血流成像(For ultrasound simulation matlab, for simulation B ultrasound, acoustic radiation force, flow imaging)

七自由度汽车动力学编程MATLAB计算，动力学方程求解，MATLAB进行计算模拟(Seven degrees of freedom vehicle dynamics programming, MATLAB calculation, dynamic equation solving, MATLAB simulation)

采用分步傅里叶方法对NLSE 进行了求解，并在归一化和功率补偿条件下模拟和分析了输入脉冲为双曲正割脉冲，高斯脉冲，超高斯脉冲传输对比情况，以及一到三阶双曲正割光脉冲条件下光脉冲传输演变情况(Using split-step Fourier method NLSE was solved, and in the normalization and power compensation under simulation and analysis of the input pulse for the hyperbolic secant pulse, Gaussian pulse, the comparison of super-Gaussian pulse transmission, and a to the three conditions, the hyperbolic secant pulse evolution of optical pulses)

用MATLAB编写的一个通过积分运算进行衍射计算的小程序。(MATLAB prepared an operation conducted by integral calculation of the diffraction small programs.)

通过MATLAB实现PCM的低速语音编码。(Through the realization of MATLAB PCM low bit rate speech coding.)

matlab中信噪比计算程序，可以检验使用matlab内置函数添加的噪声是否正确(Can be tested using matlab citic noise ratio calculation, matlab built-in functions to add noise is correct )

利用拉普拉斯变换求解偏微分方程组，具体应用到了试井分析中。(Laplace change)

Keller box algorithm and equations for Boundary layer theory problems. For calculating the boundary layer thickness and the velocity profile in a free stream in a pipe.

use for calculate BER in channel

inverted wedge controlling parameters using pid controller.