在定时器实验中，主要在Time1.c 中封装了定时器设置的相关函数，通过主函数调用Time1_init()函数来对时钟、计时器进行设置。其中，Time1_init()函数中包括定时器中断程序，计数器中断程序，以及显示到LED的程序。-In the timer experiment, the main package of the correlation function timer set in the Time1.c, call Time1_init through the main func

linux C 函数手册，包含各种常用C函数的定义、表头文件、说明、返回值、相关函数、示例等。-linux C function manual, the definition includes a variety of commonly used C functions, header files, descr iption, return values, the correlation function, examples and so on.

For time-frequency analysis algorithm, Complex of three-point Gauss-lengend the Formula pi, Including the generalized cross-correlation function GCC time delay estimation.