JM97Bcount

LDPC码是通过校验矩阵定义的一类线性码，为使译码可行，在码长较长时需要校验矩阵满足“稀疏性”，即校验矩阵中1的密度比较低，也就是要求校验矩阵中1的个数远小于0的个数，并且码长越长，密度就要越低。 (LDPC Coding with PSK modulation in Rayleigh fading channel Most of the functions are built in matlab functions found in the comm. toolbox. These can also be easily configurable in the code to meet your requirements. In the given code, set the SNR, codeRate, modulation order (psk) and Number of frames to be simulated. Please feel free to contact me and let me know your comments. )

Numerical Heat Transfer and Fluid Flow数值传热方面经典教材，作者Patankar，其SIMPLE算法最为经典。(Numerical Heat Transfer and Fluid Flow numerical heat transfer aspects of the classic textbook, the author is Patankar, its SIMPLE algorithm is the most classic.)

交错网格声波方程正演模拟，PML吸收边界，比较适合刚刚接触的学者。交错网格有限差分地震波场计算，二维的声波正演，利用空间10阶，时间2阶。(The CalCulation of the SeismiC Wave一 fieldwith Staggered-grid Finite difference Sheme)

主要用于探测PSINSAR过程中的形变信息(used for PSINSAR detect deformation)

说明：  ga-pls选取特征波长，能过有效减少建模所需要的波长。(Ga-pls can effectively reduce the wavelength required for modeling by selecting the characteristic wavelength)

lists all possible ways to permute k elements out of the vector v, with replacement.

读取NASA的JPL实验室L2A数据，包涵数据转换工具和读取代码(NASA' s JPL laboratory L2A read the data it covers data conversion tools and read the code)

运用SVD分解分析勘探地震信号，主要是对信噪比提升的研究(Exploration and seismic signal processing in learning friends and the help )

说明：  步进式PID控制算法及仿真，PID控制是目前使用最广的控制算法，该程序为步进式PID控制算法仿真程序，matlab编程 (PID control algorithm and simulation, PID control is currently the most widely used algorithm, the Step-by-step procedures for the PID control algorithm simulation program, Matlab programming)

matlab指令速查，集锦将matlab重要的程序加以综合(Quick matlab command, highlights the important program to be integrated matlab)