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给出两个chirp信号相加后，由瞬时频率定义求出的瞬时频率曲线，说明瞬时频率的不确切性；(The sum of two chirp signals are given, after the definition of instantaneous frequency derived from the instantaneous frequency curve, indicating lack of precision in the instantaneous frequency )

希望对大家有用，是关于matlab的视频(It is useful ,i think)

This ZIP file includes the algorithm for hiding the text file in image with LSB.

我从网上下的模式识别的书籍，非常好，现共享一下(I recognize the pattern from the Internet of books, very good, is about sharing)

很好用的软件源代码,计算速度比较快，很好用的软件源代码,计算速度比较快。(It is a very good software)

arduino tool box for simulation of navigation system

宏观经济增长所需的代码，包括经济增长与经济波动，详实全面，好用好(The code needed for macroeconomic growth, including economic growth and economic fluctuations, detailing a comprehensive, easy to use good)

QFDTD90: A General 3D-FDTD Electromagnetic Simulator

多重信号分类算饭 多重信号分类算饭 多重信号分类算饭 多重信号分类算饭(music algorthm music algorthm)

常用软件包,可以保存,做为日常函数调用,比较通用(Commonly used software packages, can be preserved as a day-to-day function call to compare GM)