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Story

  • Wireless+Communications+Resource+Management

    Wirelesscommunications,especiallyinitsmobileform,hasbroughtusthefreedomofmobility andhaschangedthelifestylesofmodernpeople.Waitingatafixedlocationtoreceiveormakea phone call, or sitting in front of a personal computer to send an e-mail or download a video program, has become an old Story. Nowadays it is commonplace for people to talk over a cell phonewhilewalkingonthestreet,ortodownloadandwatchamoviewhiletravelingonatrain. Thisisthebenefitmadeavailabletousbythesuccessfulevolutionofwirelesscommunications over three generations, with the fourth generation being under way.

    標簽: Communications Management Wireless Resource

    上傳時間: 2020-06-01

    上傳用戶:shancjb

  • Power Over Ethernet

    December 2007, San Jose, California: It seems a long time ago. I walked into a big networking company to head their small Power over Ethernet (PoE) applications team. Surprisingly, I hardly knew anything about PoE prior to that day, having been a switching-power conversion engineer almost all my life. But it seemed a great opportunity to widen my horizons. As you can see, one notable outcome of that seemingly illogical career choice five years ago is the book you hold in your hands today. I hope this small body of work goes on to prove worthy of your expectations and also of all the effort that went into it. Because, behind the scenes, there is a rather interesting Story to relate—about its backdrop, intertwined with a small slice of modern PoE hiStory, punctuated by a rather res- tive search for our roots and our true heroes, one that takes us back almost two centuries

    標簽: Ethernet Power Over

    上傳時間: 2020-06-07

    上傳用戶:shancjb

  • Atmospheric+Monitoring+With+Arduino

    There’s a Story (it’s either an old vaudeville joke or a Zen koan) in which a fisherman asks a fish, “What’s the water like down there?” and the fish replies “What is water?” If the Story is just a joke, the point is to make us laugh; but if it’s a koan, the point is that the most obvious and ubiquitous parts of our immediate environ- ment are, paradoxically, often the easiest to overlook.

    標簽: Atmospheric Monitoring Arduino With

    上傳時間: 2020-06-09

    上傳用戶:shancjb

  • 1 Seismic response control using electromagnetic

    This paper presents a new type of electromagnetic damper with rotating inertial mass that has been devel oped to control the vibrations of structures subjected to earthquakes. The electromagnetic inertial mass damper (EIMD) consists of a ball screw that converts axial oscillation of the rod end into rotational motion of the internal flflywheel and an electric generator that is turned by the rotation of the inner rod. The EIMD is able to generate a large inertial force created by the rotating flflywheel and a variable damping force devel oped by the electric generator. Device performance tests of reduced-scale and full-scale EIMDs were under taken to verify the basic characteristics of the damper and the validity of the derived theoretical formulae. Shaking table tests of a three-Story structure with EIMDs and earthquake response analyses of a building with EIMDs were conducted to demonstrate the seismic response control performance of the EIMD. The EIMD is able to reduce Story drifts as well as accelerations and surpasses conventional types of dampers in reducing acceleration responses.

    標簽: electromagnetic response Seismic control using

    上傳時間: 2021-11-04

    上傳用戶:a1293065

  • FPGA Story(數學篇)Cordic 算法,FPGA_那些事

    FPGA 那些事 Cordic 三角函數加速器文檔,,,合訂版。

    標簽: fpga Cordic算法

    上傳時間: 2022-07-24

    上傳用戶:

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