Industrial network : Modbus, Ethernet

通信系统中基于MATLAB的关于非线性滤波器的仿真程序-MATLAB-based communication system on the non-linear filter simulation program

OPC访问的源码， -OPC visit source,

本文主要阐述了DTMF的原理及如何在MATLAB上产生DTMF信号，主要涉及到电话拨号音合成的基本原理及识别的主要方法，利用 MATLAB 软件以及 FFT 算法实现对电话通信系统中拨号音的合成与识别。并进一步利用 MATLAB 中的图形用户界面 GUI 制作简单直观的模拟界面。 能够利用矩阵不同的基频合成 0 － 9 不同按键的拨号音，并能够对不同的拨号音加以正确的识别，实现由拨号音解析出电话号码的过程，完成对电话拨号音系统的简单的实验仿真。-This paper described the principle and how DTMF in MATLAB to generate DTMF signals, mainly related to the telephone dial tone of the basic principles of synthesis and identification of the main methods, the use of MATLAB software and the FFT algorithm on the telephone communication system dial tone Synthesis and Recognition . And further the use of MATLAB in the production of graphical user interface simple and intuitive GUI interface simulation. Able to take advantage of matrix synthesis of different fundamental frequency 0- 9 different keys of the dial tone and be able to different dial tone to be the correct identification, the dial tone from a telephone number to resolve the process of completion of the telephone dial tone system, a simple experiment simulation

 MFC实现的串口通信程序,基于VS2015,调试无误。

symbian平台上如何在屏幕上快速的显示图片，在symbian平台上做播放器时有很大的参考价值-symbian platform on how fast the screen shows pictures, In symbian platform so players have great reference value

难得的诺基亚 7260原厂维修图纸，各种芯片接口及逻辑-Rare repair Nokia 7260 original drawings, a variety of chip interface and the logic of

这是一个通讯软件-This is a communications software

非常经典的DHTML 手册 dom css javascript-very classic manual of DHTML javascript dom css

工作环境为Linux，CORBA的开源项目MICO。此程序完整的实现了如何实现POA的守护例程MICOD来响应客户端的请求，然后唤醒服务器端来处理客户端的请求。-working environment for Linux, the open-source project CORBA MICO. This integrity of the process of the realization of how the POA guard routines MICOD to respond to a client"s request, then awaken server to handle the client"s request.

关于超宽带系统性能的分析的一些实用程序，请大家多支持-on UWB system performance analysis of some practical procedures, we support more