利用Matlab的音频处理

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在delphi下,通过并口对外控制设备,包含全部源代码.-In delphi through parallel external control equipment, including all the source code.

这是个点对点的交流工具，而且容许你在同一时间同步和一个人进行相互聊天和相互传输文件-This is a peer-to-peer communication tools, but at the same time allow you to synchronize and a person to chat with each other and transfer files

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这个 matlab 代码用于检测给定的语音信号的音调轮廓。此代码还认定自相关函数。在此代码中使用一个窗口 30 ms (480 样品) 和跳跃 10 ms (160 样品)。

使用NMEA0183的gps服务程序原码-use of a GPS NMEA0183 service program source

引入PEG（Progressive-edge-growth）算法来构造适合线性时间编码的LDPC校验矩阵，译码时采用简化最小和Min-Sum译码算法实现简化译码．仿真结果表明，该方法能够构造适合LDPC码的线性时间编码的下三角校验矩阵日，并且用此方法构造的LDPC码性能非常接近原来PEG算法构造的LDPC码．同时通过采用最小和Min-Sum算法降低译码复杂度．-The introduction of PEG (Progressive-edge-growth) algorithm to construct suitable for linear time encoding of LDPC check matrix, decoding simplified when the smallest and the Min-Sum decoding algorithm decoding simplified. Simulation results show that this method can construct LDPC codes suitable for linear time encoding on lower triangular calibration matrix, and constructed using this method the performance of LDPC code is very close to the original PEG algorithm constructed LDPC codes. At the same time through the use of the smallest and the Min-Sum decoding algorithm to reduce complexity.

我们自己创建各个的头部,系统只是把它们发送出去. 在实例中,由于我们要修改我们的源IP地址, 所以我们使用了setsockopt函数,如果我们只是修改TCP数据,那么IP数据一样也可以由系统来创建的. -To create all our own head, the system only to send them out. In the example, because we have to modify our source IP address, so we use the setsockopt function, if we just amend the TCP data, then the IP can also be from the same data system to create the.

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