资源列表
Siemens-PPI
- Siemens PPI协议分析 西门子S7-200 PLC之间或者PLC与PC之间通信有很多种方式:自由口，PPI方式，MPI方式，Profibus方式。使用自由口方式进行编程时，在上位机和PLC中都要编写数据通信程序。使用PPI协议进行通信时，PLC可以不用编程，而且可读写所有数据区，快捷方便。但是西门子公司没有公布PPI协议的格式。用户如果想使用PPI协议监控，必须购买其监控产品或第三方厂家的组态软件。这样给用户自主开发带来一定困难，特别是自行开发的现场设备就不能通过PPI协议接入PLC
55544444
- 3G无线监控系统技术方案，详细讲解了3G的通信原理和相应的实现。-3 G wireless monitoring system, expounds the technical plan 3 G communication principle and the corresponding implementation.
45643234
- 手机蓝牙实用教程(电脑遥控与GPRS拨号上网)，详细介绍了使用方法。-Mobile phone bluetooth practical course (computer remote control and GPRS dial-up Internet access), introduced the method of use.
redes_neuronales
- Neuronal network documentation
technology-Bluetooth-wireless
- 关于蓝牙的设计 基于蓝牙技术的无线数据采集系统-The design is based on Bluetooth technology Bluetooth wireless data acquisition system
led_test
- compile by ccs i have done by that
1231
- 实时多媒体传输系统需求分析实时多媒体传输系统需求分析-Analysis of real-time multimedia transmission system needs real-time multimedia transmission system needs analysis
opnet.ppt
- this file describe module wimax in opnet. the luaguge imlimentation is C++ this module is described the wimax network
all70.tar
- the file is implimented in C++ for wimax network it is explication of qualitie of service
qtsb_avr
- 电子式水表的计量，开关阀门，及RS485通讯的原理图-Electronic meter measurement, switching valves, and RS485 communications schematic
NeuralNet
- AI Wisdom 2 Neural Network Code
20049122313613
- 无线局域网技术的发展及其对移动教育的影响 -Wireless LAN technology and its impact on mobile education