SIP. Understanding the Session Initiation Protocol Second Edition.rar全面介绍SIP RFC...

可编程开关电容滤波器时钟产生电路的程控调节-Programmable switched-capacitor filter clock generator circuit conditioning program

小数时延滤波器，传统的方法实现小数时延，一般采用插值、滤波、抽样的方法来实现小数时延。该方法需要高的系统处理速率和大的存储空间。而小数时延滤波器，非常方便、简单，能够提高系统的性能。该程序包含各种小数时延滤波器，非常有用。

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

通过ftp下载信息，完整代码，在生产中使用呢；对大家应该有用；-through ftp download information, the integrity of code used in production now. Should be useful to everyone;

一个简单的用JAVA实现的屏幕抓图(源代码)-with a simple screen JAVA Previously (source code)

一部分关于VB编程的小技巧，适合初学者也可供深入者提高学习-On the part of VB programming tips for beginners are also available to enhance learning in depth from

RFC3026:ENUM与IETF/ISOC的联络

jetspeed比较详细的文档，是在JAVA研究组织上转载的。-jetspeed more detailed documentation, the JAVA study reproduced in the organization.

重点介绍HART协议在电磁流量计中的应用技术-HART protocol focuses on the application of electromagnetic flowmeter technology

多线程串口调试工具，全部源码，可记录，文本或二进制显示-Serial multi-threaded debugging tools, all source code, can be recorded, text or binary display