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技术资料 智能抽油机节能器研究与开发

· 摘要:  FSO (Free space optical)光线光通信结合了无线通信和光纤通信的优点,其关键技术在于收发端机的研制;PPM(PulsePosition Modulation)脉冲位置调制具有低的平均功率和较高的峰值功率,特别适合于无线光通信.该文根据PPM调制信号的特点和DSP技术,提出了一种用DSP实现256PPM调制的方案,整个方案有较大的灵 ...
https://www.eeworm.com/dl/952615.html
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书籍源码 一、安装SQL数据库 1、 打开Microsoft SQL Server 企业管理器 2、 建立一个新的数据库

一、安装SQL数据库 1、 打开Microsoft SQL Server 企业管理器 2、 建立一个新的数据库,名称为 XfokSite_Free (必须为这个名字) 3、选择该数据库,点击鼠标右键 -> 所有任务 -> 还原数据库 -> 从设备 -> 选择设备 -> 添加 -> 选择程序目录下的数据库里面的文件 二、安装程序 1、如果程序没有放在虚拟目录下,请把所有文件 ...
https://www.eeworm.com/dl/532/141452.html
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编译器/解释器 Draak is a multi-language, macro compiler, meaning all syntax and code generation is defined in a si

Draak is a multi-language, macro compiler, meaning all syntax and code generation is defined in a single file. Draak is a single binary that is able to compile any context free language (like C, Pascal, Java) for any platform with only 1 file. Draak Compiler是一个多语言,宏编译器,可以在一个单独的 ...
https://www.eeworm.com/dl/628/146287.html
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Delphi控件源码 图形显示技巧,这是其中一段代码 procedure TForm1.Button1Click(Sender: TObject) var newbmp:TBitmap i,bmphei

图形显示技巧,这是其中一段代码 procedure TForm1.Button1Click(Sender: TObject) var newbmp:TBitmap i,bmpheight,bmpwidth:integer //推拉 begin newbmp:=TBitmap.Create newbmp.Width:=image1.Width newbmp.Height:=image1.Height bmpheight:=image1.Height bmpwidth:=image1.Width for i:=0 to bmphei ...
https://www.eeworm.com/dl/666/247846.html
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其他嵌入式/单片机内容 Application Note Abstract This Application Note introduces a complete and detailed PSoC&reg project

Application Note Abstract This Application Note introduces a complete and detailed PSoC&reg project. Telephone Call Logger keeps the detailed record of approximately 945 phone calls (7-digit number is assumed to be one phone call) including date, start time and the duration of the phone call in the ...
https://www.eeworm.com/dl/687/267286.html
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软件设计/软件工程 不知为何

不知为何,在rh9下编译有警告,但是可以正常编译出结果 HOST 环境(虚拟机VM6.0): 系统:redhat 9 完全安装 交叉工具arm 2.95.3 TARGET环境 arm 2410 240*320屏外加触摸屏 cramfs文件系统 软件: cross-2.95.3.tar.bz2 //交叉编译器 qtopia-free-src-2.2.0.tar.gz //qtopia e2fsprogs-1.35.tar.gz // jpegsrc.v6b.tar. ...
https://www.eeworm.com/dl/684/357920.html
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技术资料 FREERTOS操作系统移植汇编文件详解.

FreeRTos tutorial books are available in pdf and paperback.Complete, revised, and edited pdf reference manuals are also available.Purchasing FreeRTos documentation wi11 not only help you, by ensuring you get running as quickly as possible and with an in-depth knowledge of how to use FreeRToS, it wi1 ...
https://www.eeworm.com/dl/894434.html
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技术资料 uart driver

ARM7的UART驱动程序 可以自由配置缓存大小 驱动函数集 以及接口简单 很适合初学者提高自己的驱动开发能力的参考程序 产品级别的代码 注释很详尽 但需要自己提供IRQ部分的初始化部分程序 本作者不提供 程序为原创-ARM7-UART driver can configure the cache size of the drive free set of functions and simple interface i ...
https://www.eeworm.com/dl/922548.html
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书籍源码 The code, images and designs for this book are released under a Creative Commons Attribution-NonComm

The code, images and designs for this book are released under a Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License. http://creativecommons.org/licenses/by-nc-sa/2.5/ You are free: * to copy, distribute, display, and perform the work * to make derivative works Under the following c ...
https://www.eeworm.com/dl/532/188924.html
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学术论文 Microphone Arrays : A Tutorial

This report presents a tutorial of fundamental array processing and beamforming theory relevant to microphone array speech processing. A microphone array consists of multiple microphones placed at different spatial locations. Built upon a knowledge of sound propagation principles, the mult ...
https://www.eeworm.com/dl/511623.html
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