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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
下载: 36
查看: 1058

测试测量 能量收集系统的设计挑战

Modern electronic systems solve so many difficult problems that they often seem like magic. Nonetheless, these systems all have thesame basic limitation: they need a source of electrical power! Most of the time this is a straightforward challenge for the electronicdesigner, because there are many ...
https://www.eeworm.com/dl/544/41801.html
下载: 33
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测试测量 HDMI一致性测试

  The high defi nition multimedia interface (HDMI) is fastbecoming the de facto standard for passing digitalaudio and video data in home entertainment systems.This standard includes an I2C type bus called a displaydata channel (DDC) that is used to pass extended digitalinterface data (EDID) ...
https://www.eeworm.com/dl/544/41886.html
下载: 29
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测试测量 LT5528 WCDMA ACPR和AltCPR测量

  ACPR (adjacent channel power ratio), AltCPR (alternatechannel power ratio), and noise are important performancemetrics for digital communication systems thatuse, for example, WCDMA (wideband code division multipleaccess) modulation. ACPR and AltCPR are bothmeasures of spectral regrowth. T ...
https://www.eeworm.com/dl/544/41888.html
下载: 29
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测试测量 低噪声电压基准的噪声测量

  Frequently, voltage reference stability and noise defi nemeasurement limits in instrumentation systems. In particular,reference noise often sets stable resolution limits.Reference voltages have decreased with the continuingdrop in system power supply voltages, making referencenoise increa ...
https://www.eeworm.com/dl/544/41895.html
下载: 179
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测试测量 电池组电压测量的研究

  Automobiles, aircraft, marine vehicles, uninterruptiblepower supplies and telecom hardware represent areasutilizing series connected battery stacks. These stacksof individual cells may contain many units, reaching potentialsof hundreds of volts. In such systems it is oftendesirable to acc ...
https://www.eeworm.com/dl/544/41899.html
下载: 65
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接口技术 基于微处理器的5V系统接口

This application note discusses a variety of approaches for interfacing analog signals to 5V powered systems. Synthesizing a "rail-to-rail" op amp and scaling techniques for A/D converters are covered. A voltage-to-frequency converter, applicable where high resolution is required, is also presente ...
https://www.eeworm.com/dl/511/42418.html
下载: 55
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接口技术 AN26与LTC1090的接口设计

A collection of interface applications between various microprocessors/ controllers and the LTC1090 family of data acquisition systems. The note is divided into sections specific to each interface.
https://www.eeworm.com/dl/511/42420.html
下载: 27
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文章/文档 ECHNICAL COMMITTEE No. 65: INDUSTRIAL-PROCESS MEASUREMENT AND CONTROL WORKING GROUP 6 VOTING DRAFT -

ECHNICAL COMMITTEE No. 65: INDUSTRIAL-PROCESS MEASUREMENT AND CONTROL WORKING GROUP 6 VOTING DRAFT - PUBLICLY AVAILABLE SPECIFICATION - FUNCTION BLOCKS FOR INDUSTRIAL-PROCESS MEASUREMENT AND CONTROL SYSTEMS
https://www.eeworm.com/dl/652/115415.html
下载: 171
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文章/文档 ECHNICAL COMMITTEE No. 65: INDUSTRIAL-PROCESS MEASUREMENT AND CONTROL WORKING GROUP 6 VOTING DRAFT -

ECHNICAL COMMITTEE No. 65: INDUSTRIAL-PROCESS MEASUREMENT AND CONTROL WORKING GROUP 6 VOTING DRAFT - PUBLICLY AVAILABLE SPECIFICATION - FUNCTION BLOCKS FOR INDUSTRIAL-PROCESS MEASUREMENT AND CONTROL SYSTEMS
https://www.eeworm.com/dl/652/115416.html
下载: 168
查看: 1041