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A cyclic redundancy check (CRC) is an error-detecting code designed to detect accidental changes to raw computer data, and is commonly used in digital networks and storage devices such as hard disk drives. Blocks of data entering these systems get a short check value attached, derived from the remainder of a polynomial division of their contents on retrieval the calculation is repeated, and corrective action can be taken against presumed data corruption if the check values do not match.

运用平面波展开法模拟光子晶体光纤中的带隙结构(The use of plane wave expansion method in photonic crystal fiber simulation of the band structures of)

边缘检测的MATLAB程序边缘检测的MATLAB程序(MATLAB procedures for edge detection)

支持向量机(SVM)用于分类的算法实现 function [D, a_star] = SVM(train_features, train_targets, params, region)(Support Vector Machine (SVM) algorithm for classification in function [D, a_star] = SVM (train_features, train_targets, params, region))

收录了通信系统单载波各种调制如调频调相等的matlab源代码(Communication system includes a variety of single-carrier modulation such as FM equivalent transfer matlab source code)

《高等非线性动力学》-庞克来映射-相轨迹的源程序，怎么利用程序求解并画图(" Higher nonlinear dynamics" - punk to map- phase trajectory of the source, and how to use drawing program for solving)

说明：  function [ret,x0,str,ts,xts]=s4(t,x,u,flag) s4 is the M-file description of the SIMULINK system named s4. The block-diagram can be displayed by typing: s4. SYS=s4(T,X,U,FLAG) returns depending on FLAG certain system values given time point, T, current state vector, X, and input vector, U. FLAG is used to indicate the type of output to be returned in SYS.

说明：  仿真高斯白噪声信道下的dsb信号调制解调，并对传输进行评估（误码率）。(DSB modulation and demodulation of simulated Gaussian white noise channel)

说明：  二维射线追踪程序！matlab编写！！ 地震声波正演源程序(Two-dimensional ray-tracing program! matlab prepared! ! Forward seismic acoustic source)

有限元轴对称问题，平面应变问题，matlab程序(Finite element axisymmetric plane strain problem, matlab program)