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扩展EKF 序列最大估计，经典原码，有注释(Sequence of the largest expansion of EKF estimates, the classic original code, annotated)

非线性规划问题中无约束问题的grad算法的MATLAB代码(Unconstrained nonlinear programming problem in question grad algorithm MATLAB code)

UEL beam单元，作者不详（网上下载，若作者有异议可通知本人删除）(UEL beam element)

sigma-delta DAC simulink model

说明：  使用matlab输出声发射信号的特征参数(Using MATLAB to output characteristic parameters of acoustic emission signal)

matlab code for one beam

用matlab实现的四类基本滤波器的设计代码，可运行(Matlab implementation of the four basic types of filter design code can be run)

《MATLAB R2008图形与动画编程实例教程》的源代码--第三章(" MATLAB R2008 examples of graphics and animation programming tutorial" source code- Chapter III)

CCISP考试指南与导读 CISSP STUDY NOTES FROM CISSP PREP GUIDE 1 DOMAIN 1 – SECURITY MANAGEMENT PRACTICES 2 DOMAIN 2 – ACCESS CONTROL SYSTEMS 7 DOMAIN 3 – TELECOM AND NETWORK SECURITY 13 DOMAIN 4 – CRYPTOGRAPHY 34 DOMAIN 5 – SECURITY ARCHITECTURE AND MODELS 46 DOMAIN 6 – OPERATIONS SECURITY 56 DOMAIN 7 – APPLICATIONS AND SYSTEM DEVELOPMENT 63 DOMAIN 8 – BUSINESS CONTINUITY AND DISASTER RECOVERY PLANNING 70 DOMAIN 9 – LAW, INVESTIGATION AND ETHICS 78 DOMAIN 10 – PHYSICAL SECURITY 87(CCISP test guidelines and guidance CISSP STUDY NOTES FROM CISSP PREP GUIDE 1DOMAIN 1- SECURITY MANAGEMENT PRACTICES 2DOMAIN 2- ACCESS CONTROL SYSTEMS 7DOMAIN 3- TELECOM AND NETWORK SECURITY 13DOMAIN 4- CRYPTOGRAPHY 34DOMAIN 5- SECURITY ARCHITECTURE AND MODELS 46DOMAIN 6- OPERATIONS SECURITY 56DOMAIN 7-- APPLICATIONS AND SYSTEM DEVELOPMENT 63DOMAIN 8- BUSINESS CONTINUITY AND DISASTER RECOVERY PLANNING 70DOMAIN 9- LAW, INVESTIGATION AND ETHICS 78DOMAIN 10- PHYSICAL SECURITY 87)

利用matlab对am，dsb，ssb，ask，fsk，bpsk信号进行正交调制解调仿真，并在不同信噪比条件下对其数字信号进行了误码率的计算。(Using matlab to am, dsb, ssb, ask, fsk, bpsk orthogonal signal modulation and demodulation simulation, and signal to noise ratio in different conditions of its digital signal to the bit error rate calculations.)