vc 下的双音多频（DTMF）接收器的使用源程序

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《数字通信原理与技术》的随书PPT，希望对大家有所帮助-err

KDVoicePhone Toolkit开发工具可以使你的应用程序获得声音和电话方面的特性，如：a.. 打电话或回电话；b.. 如果对话已经在进行，可以中途接听；c.. 在电话线或声卡中回放和记录音频；d.. 从电话线中检测音频信号和脉冲信号；e.. 捕获呼叫方ID；f.. 可控制本机听筒，外部的麦克风和MODEM的外部喇叭；g.. 定时事件来跟踪回放和录音的过程；h.. 录音时可检测静音；-KDVoicePhone Toolkit development tools can make your application access to voice and telephone features, such as: a.. Call or return phone calls b.. If the dialogue already under way, you can receive half-way c.. In a telephone line or sound card in audio playback and recording d.. from the telephone line in the detection of audio signals and pulse signal e.. capture caller ID f.. can control the local handset, external microphones and MODEM external speakers g. . timing incident to track the process of playback and recording h.. recording can detect mute

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介绍了一种基于通用可编程接口的通用串行总线-高级技术配件解决方案，将普通硬盘转化为Usb Mass Storage.-introduces a general programmable interface based on the Universal Serial Bus-senior technical accessories solution that will drive into ordinary Usb Mass Storage.

对衰落信道的仿真。在matlab上实现，有使用价值-right fading channel simulation. On the Matlab, and it is useful

通讯编程类实现串口通讯很好实现了FPGA的串口通讯-Programming category of communication a good serial communication implementation of the FPGA implementation of serial communication

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PN sequence generation using matlab

内容是关于 两个单片机之间的通信.一个做主机,另一个做从机.从机负责显示液晶显示(LCD1602)时钟(DS12887).通过上位机指令控制,并调整时间.并且控制闹钟的时间