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可编程逻辑 XAPP228 -Virtex器件内的四端口存储器

This application note describes how the existing dual-port block memories in the Spartan™-IIand Virtex™ families can be used as Quad-Port memories. This essentially involves a dataaccess time (halved) versus functionality (doubled) trade-off. The overall bandwidth of the blockmemory in ...
https://www.eeworm.com/dl/kbcluoji/40055.html
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可编程逻辑 WP151 - Xilinx FPGA的System ACE配置解决方案

Design techniques for electronic systems areconstantly changing. In industries at the heart of thedigital revolution, this change is especially acute.Functional integration, dramatic increases incomplexity, new standards and protocols, costconstraints, and increased time-to-market pressureshave bo ...
https://www.eeworm.com/dl/kbcluoji/40068.html
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可编程逻辑 WP247 - Virtex-5系列高级封装

The exacting technological demands created byincreasing bandwidth requirements have given riseto significant advances in FPGA technology thatenable engineers to successfully incorporate highspeedI/O interfaces in their designs. One aspect ofdesign that plays an increasingly important role isthat o ...
https://www.eeworm.com/dl/kbcluoji/40072.html
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可编程逻辑 PLD Programming Using VHDL

本文详细讨论了VHDL语句对PLD设计的影响和设计经验,经典文章,值得仔细阅读消化。,PLD Programming Using VHDL
https://www.eeworm.com/dl/kbcluoji/40137.html
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可编程逻辑 CPLD和FPGA设计介绍

Field Programmable Gate Arrays (FPGAs) are becoming a critical part of every system design. Many vendors offer many different architectures and processes. Which one is right for your design? How do you design one of these so that it works correctly and functions as you expect in your entire system ...
https://www.eeworm.com/dl/kbcluoji/40148.html
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可编程逻辑 实用PCB板设计

介绍一些适合于现代焊接工艺的;<= 板设计的原则,对线路板整体设计、基板流向、基准点的制作、元件排列、引脚间距和其他需要注意的问题等都作了相应阐述。
https://www.eeworm.com/dl/kbcluoji/40162.html
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工控技术 西门子s7-200技术资料自整理

S7-200的数据类型   1、位 :BOOL型  只有“0”、“1”两种状态“0”表示开关断开、“1”表示开关闭合
https://www.eeworm.com/dl/569/41412.html
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工控技术 WINCC之OPC通信

OPC(用于过程控制的OLE)描述了一个统一的以及独立于制造商的软件界面。OPC软件界面基于Windows技术OLE(对象链接和嵌入)、COM(组件对象模块)和DCOM(分布式组件对象模块)。
https://www.eeworm.com/dl/569/41447.html
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测试测量 野战光纤光功率精密测量装置研究

针对野战光纤光路损耗介绍一种精密光功率测量方法,分析了+,-光电接收元件的+%,(光功率%光电流)特性,并建立了实际模型&设计的装置测量范围为%#)!)./(光功率的相对衰减值),经实践检验具有较好 的精度.
https://www.eeworm.com/dl/544/41797.html
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测试测量 radon变换在低信噪比图像中的线段检测

探讨了radon变换在低信噪比图像特征检测的适用性!分析了radon变换变换的优势与不足!并从信息融合的角度出发!提出了radon变换补充的应用策略!对低信噪比的机场跑道图像进行了验证!显示出较好的检测效果.
https://www.eeworm.com/dl/544/41828.html
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