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VB中用MSComm控件实现串行通信的程序
VB中用MSComm控件实现串行通信的程序-VB using MSComm control procedures to achieve serial communication
- 2022-07-22 16:42:08下载
- 积分:1
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Send message code, has to verify the steps to send one: Download javacomm20
短信发送代码,已经验证可以发送
步骤一:下载javacomm20-win32.zip
步骤二:com4端口上接上GSM猫,或者改变源代码
OK-Send message code, has to verify the steps to send one: Download javacomm20-win32.zip Step 2: com4 port connected to GSM cats, or changing the source code OK
- 2022-12-06 22:40:03下载
- 积分:1
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Lonworks技术是美国Echelon公司于90年12月推出的一种现场总线技。LON(Local Operation Network)为局部操作网络,具有现场...
Lonworks技术是美国Echelon公司于90年12月推出的一种现场总线技。LON(Local Operation Network)为局部操作网络,具有现场总线技术的一切特点。Lonworks分布式测控网络技术,它真正并彻底地贯彻了“分散控制、集中管理的控制思想,在国际和国内都得到越来越广泛的应用。更准确地说Lonworks技术有效地解决了集散控制系统的通讯难题。Lonworks技术符合IEEE- 1437和EIA-709标准。
这是一个Lontalk协议栈的C语言参考实现,包括一个参考文档。极具参考价值-Lonworks technology is the Echelon Corporation in the United States 90 years in December launched a fieldbus technology. LON (Local Operation Network) for local operation of networks, fieldbus technology has all the characteristics. Lonworks distributed monitoring and control network technology, it is truly and thoroughly implement the
- 2022-03-19 04:00:23下载
- 积分:1
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如何模拟读串口RS232数据通过Visual Basic
How to simulate reading serial RS232 data through visual basic
- 2022-03-11 12:25:04下载
- 积分:1
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3G系统中,动态信道分配的研究,固定和移动边界的问题。
3G系统中动态信道分配的研究,对于固定和可移动边界两种方案进行了仿真实现,可移动边界方案显示出了明显的优势。-3G system, dynamic channel allocation study, fixed and moving boundary for the two scenarios were simulated to achieve, removable border program showed a clear advantage.
- 2023-02-23 08:20:03下载
- 积分:1
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卫星通信: 第 4 部分信号扭曲 & 错误和他们关系到通信通道规格 Howard Hausm
第 4 部分卫星通信:信号畸变和错误他们与沟通的关系通道规格通信问题信号格式和扭曲信号错误相位噪声群时延失真振幅失真联合的信号扭曲邻频道干扰时间域效应摘要
- 2022-05-08 18:19:08下载
- 积分:1
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PPP拨号上网协议栈,通过串口编程,实现PPP拨号网络底层协议以及TCP/IP协议,主要用于GPRS,CDMA,电话拨号等通信领域。...
PPP拨号上网协议栈,通过串口编程,实现PPP拨号网络底层协议以及TCP/IP协议,主要用于GPRS,CDMA,电话拨号等通信领域。-PPP dial-up Internet protocol stack, through serial programming, PPP dial-up network to achieve agreement and the underlying TCP/IP protocol, mainly for GPRS, CDMA, such as dial-up telephone communications.
- 2022-03-20 08:56:59下载
- 积分:1
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本程序包包含有linux下socket通讯的tcp例程,包含有tcp的服务器端和客户端,含有C语言以及perl两种实现,本人整理,全部能运行。...
本程序包包含有linux下socket通讯的tcp例程,包含有tcp的服务器端和客户端,含有C语言以及perl两种实现,本人整理,全部能运行。-bags containing the procedures under linux tcp socket communications routines, including a tcp servers and clients, containing C and perl language to achieve both, I collated all can run.
- 2022-04-17 22:26:52下载
- 积分:1
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本文介绍了CDMA2000 1XEV
本文介绍了CDMA2000 1XEV-DO网络协议标准包括EV-DO的关键技术以及系统性能-This paper introduces CDMA2000 1XEV-DO network protocol standards, including EV-DO technology, as well as the key to system performance
- 2023-04-14 22:25:03下载
- 积分:1
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CDMA网络规划基础 PN码规划和邻区的规划 解释了PN码(伪随机序列)以及CDMA网络中的邻区的概念以及基本的规划方法...
CDMA网络规划基础 PN码规划和邻区的规划 解释了PN码(伪随机序列)以及CDMA网络中的邻区的概念以及基本的规划方法-CDMA network planning based on PN Code Planning and adjacent areas of planning explained the PN code (pseudo-random sequence), as well as CDMA networks the concept of adjacent areas, as well as basic planning methods
- 2022-03-30 06:57:54下载
- 积分:1