gaijin_smith

说明：  如何在函数中加入一个正弦信号，求它和高斯噪声的相关性以及自相关(how to insert noise,and how to how the correlation with goss noise)

用矩量法计算天线辐射特性的MATLAB演示程序，程序很紧凑，执行效率很高(Moment method antenna radiation characteristics of MATLAB demonstration program, the program is very compact, high efficiency in the implementation)

函数执行时间统计, 利用了C++类的自动释放功能(count function time costs)

The short term energy function can be computed by splitting the speech signal into frames of N samples

数字脉冲宽度调制，将输入的数字信号转换为对应占空比的模拟波形(Digital pulse width modulation, the digital signal is converted to the corresponding input of the duty cycle of the analog waveform)

压控振荡器的压控算法控制，这个MATLAB仿真压控的PID算法，很有学习应用价值，是平常使用的，一定可行。 (VCO VCO control algorithm, the MATLAB simulation voltage control PID algorithm, great learning value is usually used, necessarily feasible.)

该程序对搜索树的方法，使配电网的供电路径进行选择(The program of the search tree method, make the distribution network power supply path selection )

有关移动通信中莱斯(Rician)信道衰减的仿真，对信道的理解有一定的帮助(About mobile communications (Rician) Rice fading channel simulation, the channel has some help understanding)

matlab PPT教程 电子工业出版社 罗建军 主编(matlab PPT tutorial)

In cryptography, SHA-1 is a cryptographic hash function designed by the United States National Security Agency and published by the United States NIST as a U.S. Federal Information Processing Standard. SHA stands for "secure hash algorithm".