form
共 381 篇文章
form 相关的电子技术资料，包括技术文档、应用笔记、电路设计、代码示例等，共 381 篇文章，持续更新中。
基于STC89C51单片机的防盗报警系统设计
<p>为了解决家庭防盗问题,完成住宅的报警功能,设计了一种基于STC89C51单片机的家庭防盗报警系统;通过在住宅或重点区域设置布防,系统由热释电红外探测器检测红外光谱信号;防盗报警系统的设计分为硬件和软件两部分,由信号检测电路,LED灯和蜂鸣器执行电路,GSM模块和单片机系统的基本外围电路组成系统的硬件系统,软件则由中断、定时等子程序来控制相关硬件模块完成报警功能;实验结果表明,系统可探测到非法
基于单片机的数字钟设计
<p>随着系统设计要求和复杂程度的不断提高,传统时钟系统已经很难满足应用需求。本文介绍一款基于单片机的数字钟设计,该设计给出了以AT89C52单片机为核心,采用外接LED显示屏和集成按键的形式,具有高精度、可拓展的特点,具有广泛的应用性。</p><p>with the improvement of system design requirements and complexity,the trad
一套完整的应用海康HC视频压缩卡组建支持MPEG4图像格式的硬盘录像机的源码
·详细说明：本程序是一套完整的应用海康HC视频压缩卡组建支持MPEG4图像格式的硬盘录像机的源码，和必要的dll文件等。- This procedure is a set of complete applications Haikang HC video frequency compression card sets up supports the MPEG4 picture form the h
C++Builder XE2
一款可视化集成开发工具C++ Builder具有快速的可视化开发环境：只要简单地把控件（Component）拖到窗体（Form）上，定义一下它的属性，设置一下它的外观，就可以快速地建立应用程序界面；C++ Builder内置了100多个完全封装了Windows公用特性且具有完全可扩展性（包括全面支持ActiveX控件）的可重用控件；C++ Builder具有一个专业C++开发环境所能提供的全部功能
培训教程javascript
能够熟练的使用JavaScript语言对页面中的元素进行动态操作，对Form中的控件可以进行合法性，有效性校验等等。
maxwell
Maxwell's equations are a set of partial differential equations that, together with the Lorentz force law, form the
foundation of classical electrodynamics, classical optics, and electric circuits.
Visual C++程序设计
<p>本书主要包括C 与面向对象、MFC应用程序、Windows Form应用程序等部分。C 与面向对象部分系统地介绍了基本C 语法和融入面向对象概念后的C 语言； MFC应用程序详细介绍了MFC编程基础知识、资源与对话框、控件、菜单与工具栏、文档与视图、图形与文本、数据库等内容； Windows Form应用程序部分从实例出发，主要介绍Windows Form基础知识、Windows Form控
Visual-Basic-6.0从入门学习课件，简介、安装与启动、IDE、创建一个应用程序
<p>为Visual-Basic-6.0从入门到精通讲解文档，讲解了：</p><p>Visual Basic简介 </p><p>Visual Basic的安装与启动 </p><p>Visual Basic 6.0的集成开发环境 </p><p>创建第一个应用程序</p><p><br/></p><p>Visual Basic简介：</p><p>Visual Basic中的
USB PD控制器WT6615F 技术手册
<p>WT6615FWT6630P是一颗支持USBPD3.0规范和高通QC3.0和Q的PD协议支持功率18W-65W方案USBPD控制器，支持DFP下行端口（源）充电应用。高度集成的WT6615F可以应用于适配器、车充PD方案、移动电源多口充等设备</p><p><br/></p><p></p><p>The WT6615F is a highly integrated USB Power Deliv
Rockchip 电源IC RK816 技术手册
<p>The RK816 is a complex power management integrated circuit (PMIC) for multi-core </p><p>system applications powered by Li-ion polymer battery cell, or by a 5V input either form an </p><p>
VITA46-48-42 技术资料
<p>VITA 46 Highlights </p><p>Retain standard 6U and 3U form-factors Height, depth, pitch, front panel arrangements, conduction-cooled interfaces, etc.</p><p>Support standard-length PMC and XMC mo
单片机实现ADPCM编码和解码
<p>INTRODUCTION In the past, adding speech recording and playback capability to a product meant using a digital signal processor or a specialized audio chip. Now, using a simplified Adaptive Different
高效率射频微波固态功率放大器
<p>Research on microwave power amplififiers has gained a growing importance demanded by the many continuously developing applications which require such subsystem performance. A broad set of commerci
IEC 62368_2014--安規
<p>THIS PUBLICATION IS COPYRIGHT PROTECTED</p><p>Copyright © 2014 IEC, Geneva, Switzerland</p><p>All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utili
RFID-WSN+Integrated+Architecture
Radio frequency identification (RFID) and Wireless sensor networks (WSN) are<br />
the two key wireless technologies that have diversified applications in the present<br />
and the upcoming systems in
Advanced+Chipless+RFID
The author’s group has developed various chipless RFID tags and reader architectures<br />
at 2.45, 4–8, 24, and 60 GHz. These results were published extensively in the form of<br />
books, book chapt
Electric Vehicles in Smart Grids
Plug in Electric Vehicles (PEVs) use energy storages usually in the form of<br />
battery banks that are designed to be recharged using utility grid power. One<br />
category of PEVs are Electric Vehi
Plug In Electric Vehicles
Plug in Electric Vehicles (PEVs) use energy storages usually in the form of battery<br />
banks that are designed to be recharged using utility grid power. One category of<br />
PEVs are Electric Vehi
Plug In Electric Vehicles in Smart Grids
Plug in Electric Vehicles (PEVs) use energy storages usually in the form of battery<br />
banks that are designed to be recharged using utility grid power. One category of<br />
PEVs are Electric Vehi
Optimal+Long-Term+Operation
This book deals with a very important problem in power system planning<br />
for countries in which hydrogeneration accounts for the greatest part of the<br />
system pow