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说明：  本文件夹包含的是针对电话交换系统的C51程序源代码，包含了电话串口之间的通信功能，以及控制回铃音的程序源代码(This folder contains the telephone exchange system for the C51 source code, including a telephone communication between the serial port, and control ring back tone of the program source code)

matlab程序中，加载ASCII文件，输出一个数据矩阵。(matlab program, load the ASCII file, the output of a data matrix.)

matlab中的第8章 数据拟合（包含例子和程序源码）(Chapter 8 of the matlab data fitting (including examples and program source code))

tai lieu ve mo phong ofdm

read rdcp format adcp data

用谱减法实现语音的降噪，经典的谱减法完整源代码。(Of voice with spectral subtraction noise reduction, spectral subtraction classic full source code.)

说明：  基于matlab的边缘检测程序，成功实现了奥运开幕式图片的边缘检测，matlab6环境运行成功。(Matlab-based edge detection procedures, the successful implementation of the Olympic opening ceremony, the edge detection image, matlab6 environment running successfully.)

ici cancellation on ofdm its important to see how cancel intercell interference on ofdm

基于贝塞尔函数的虚拟阵列的角度估计，实现宽带信号的DOA估计(Based on the angle of the Bessel functions of the Virtual Array estimated broadband signal DOA estimation)

fastica-在matlab环境下进行盲识别(fastica-in matlab environment Blind identification)