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PCB相关  PCB设计软件ExpressPCB 下载

ExpressPCB 是一款免费的PCB设计软件，简单实使。可以画双层板。 Our Free PCB software is a snap to learn and use. For the first time, designing circuit boards is simple for the beginner and efficient for the professional. &nbsp; Our board manufacturing service makes top quality two and four lay ...

https://www.eeworm.com/dl/501/38063.html

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可编程逻辑  XAPP953-二维列序滤波器的实现

&nbsp; This application note describes the implementation of a two-dimensional Rank Order filter. Thereference design includes the RTL VHDL implementation of an efficient sorting algorithm. Thedesign is parameterizable for input/output precision, color standards, filter kernel size,maximum horiz ...

https://www.eeworm.com/dl/kbcluoji/40089.html

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可编程逻辑  基于Xilinx FPGA的双输出DC/DC转换器解决方案

&nbsp; Xilinx FPGAs require at least two power supplies: VCCINTfor core circuitry and VCCO for I/O interface. For the latestXilinx FPGAs, including Virtex-II Pro, Virtex-II and Spartan-3, a third auxiliary supply, VCCAUX may be needed. Inmost cases, VCCAUX can share a power supply with VCCO.The ...

https://www.eeworm.com/dl/kbcluoji/40111.html

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可编程逻辑  基于FPGA的光纤光栅解调系统的研究

&nbsp;波长信号的解调是实现光纤光栅传感网络的关键，基于现有的光纤光栅传感器解调方法，提出一种基于FPGA的双匹配光纤光栅解调方法，此系统是一种高速率、高精度、低成本的解调系统，并且通过引入双匹配光栅有效地克服了双值问题同时扩大了检测范围。分析了光纤光栅的测温原理并给出了该方案软硬件设计，综合考虑系统的解 ...

https://www.eeworm.com/dl/kbcluoji/40240.html

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可编程逻辑  pci e PCB设计规范

This document provides practical, common guidelines for incorporating PCI Express interconnect layouts onto Printed Circuit Boards (PCB) ranging from 4-layer desktop baseboard designs to 10- layer or more server baseboard designs. Guidelines and constraints in this document are intended for use on b ...

https://www.eeworm.com/dl/kbcluoji/40445.html

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工控技术  工业系统安全问题和解决办法

Abstract: As industrial control systems (ICSs) have become increasingly connected and use more off-the-shelfcomponents, new vulnerabilities to cyber attacks have emerged. This tutorial looks at three types of ICSs:programmable logic controllers (PLCs), supervisory control and data acquisition (SCA ...

https://www.eeworm.com/dl/569/40930.html

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测试测量  XAPP713 -Virtex-4 RocketIO误码率测试器

&nbsp; The data plane of the reference design consists of a configurable multi-channel XBERT modulethat generates and checks high-speed serial data transmitted and received by the MGTs. Eachchannel in the XBERT module consists of two MGTs (MGTA and MGTB), which physicallyoccupy one MGT tile in t ...

https://www.eeworm.com/dl/544/41859.html

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测试测量  基于MASON公式的多功能二阶通用滤波器设计

基于通用集成运算放大器，利用MASON公式设计了一个多功能二阶通用滤波器，能同时或分别实现低通、高通和带通滤波，也能设计成一个正交振荡器。电路的极点频率和品质因数能够独立、精确地调节。电路使用4个集成运放、2个电容和11个电阻，所有集成运放的反相端虚地。利用计算机仿真电路的通用滤波功能、极点频率和品质因数的 ...

https://www.eeworm.com/dl/544/41908.html

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测试测量  电脑音频虚拟仪器的设计与使用

近年来电脑虚拟仪器的发展很快。在飞速发展的计算机技术支持下，“软件即仪器”的理念得到了充分的发挥。计算机加软件配合合适的AD/DA界面和传感器/控制器，就可以完成形形色色的传统仪器的所有功能，应用领域遍及现代科技的各个方面，大有星火燎原之势。而且由于其成本较低，升级容易换代快，维护简单，特别是数据的采集、 ...

https://www.eeworm.com/dl/544/41976.html

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书籍源码  Tug of War(A tug of war is to be arranged at the local office picnic. For the tug of war, the picnic

Tug of War(A tug of war is to be arranged at the local office picnic. For the tug of war, the picnickers must be divided into two teams. Each person must be on one team or the other the number of people on the two teams must not differ by more than 1 the total weight of the people on each team shoul ...

https://www.eeworm.com/dl/532/108809.html

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