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Survey on image authentication steps

PID控制程序，matlab编写，适合初学者（5）(PID control procedures, matlab prepared for beginners (5))

说明：  用得到的已知输入输出数据，通过编好的渐消记忆增广最小二乘辨识软件辨识已知系统的阶次与估计其参数，验证所编软件的正确性(known to be useful input and output data, through the provision of good memories fading by the least square identification software widely known identification system and the order of the estimated parameters, develops software to certify the correctness)

运用shancen格子玻尔兹曼模型模拟两相分离，验证可行(Use shancen lattice Boltzmann model to simulate two-phase separation, verification feasible)

simple read audio file. plot time domain signal. play audio file. matlab source code

GlobalPositioningSys - This diskette (version 1.0) contains demonstration programs and source codes in MATLAB (v.5.2) for algorithms listed in the textbook Global Positioning Systems, I(GlobalPositioningSys- This diskette (version 1.0) contains demonstration programs and source codes in MATLAB (v.5.2) for algorithms listed in the textbook Global Positioning Systems, I)

说明：  中国人口预测程序，很全面的，是MCM试题的源程序(Forecast of China' s population program, it is comprehensive, is the source MCM test)

说明：  5. 在三条径的瑞利信道中，对于直接序列扩频： (1) 请设计DS-CDMA一种具体的码分导引辅助的信道估计方法，接收机分别采用等均益合并、最大比合并。用Simulink进行仿真，测量BPSK的误码率性能，画出比特信噪比与信道估计均方误差的关系曲线，画出比特信噪比与误码率的关系曲线，请解释在误码率为0.01时，两种合并方式所表现的不同的物理意义。 (2) 设频率已经同步，请设计DS-CDMA一种具体的单停顿滑动相关时间同步方法，用Simulink进行仿真(自己编写代码S-Function方式)，分析所设计方案的时间同步精度，画出比特信噪比与捕获概率的关系曲线。 (3) 设时间已经同步，请设计DS-CDMA一种具体的频率同步方法，用Simulink进行仿真(自己编写代码S-Function方式)，画出比特信噪比与频率同步误差的关系曲线。 (5 In the three path Rayleigh channel, for direct sequence spread spectrum: (1) Please design a specific DS-CDMA code division guide-assisted channel estimation, receiver, etc were used to benefit the merger, the maximum ratio combining. With the Simulink simulation, BPSK BER performance measure, draw-bit signal to noise ratio and channel estimation mean square error of the curve, draw the signal to noise ratio and bit error rate curve, please explain in bit error rate 0.01, the two methods are combined performance of the different physical meaning. (2) frequency has been set up synchronization, a specific design of DS-CDMA single-stop sliding correlation method of time synchronization, simulation with Simulink (S-Function code their own way), analyze the design of time synchronization accuracy, draw bit signal to noise ratio and capture probability curve. (3) set time has been synchronized, a specific design of DS-CDMA frequency synchronization method, simulation using Simulink ()

延时求和算法，DOA算法，空间波束方向，面阵列，线阵列，原创(time delay algorithm)

说明：  MATLAB在图形窗口中绘制或输出图形，MATLAB to draw in the graphics window or output graphics(MATLAB to draw in the graphics window or output graphics)