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Frequencies

  • Metamaterial Electromagnetic Cloak-at-Microwave Frequencies.pdf 2006首次制備出“隱身斗篷” Science發(fā)表

    Metamaterial Electromagnetic Cloak-at-Microwave Frequencies.pdf 2006首次制備出“隱身斗篷” Science發(fā)表

    標(biāo)簽: Cloak-at-Microwave Electromagnetic Metamaterial Frequencies

    上傳時(shí)間: 2016-11-12

    上傳用戶:xauthu

  • SX28 Assembler Source to generate 2 phase referenced Frequencies. Simulate a bi-phase clock source

    SX28 Assembler Source to generate 2 phase referenced Frequencies. Simulate a bi-phase clock source.

    標(biāo)簽: Frequencies referenced Assembler Simulate

    上傳時(shí)間: 2017-04-29

    上傳用戶:baitouyu

  • The Schumann resonance Frequencies are a set of eigenmodes in the extremely low frequency (ELF) port

    The Schumann resonance Frequencies are a set of eigenmodes in the extremely low frequency (ELF) portion of the electromagnetic field spectrum. These Frequencies are only present for planetary-like bodies with a substantial ionosphere acting as a perfect electric conductor, thus forming a resonance cavity with the surface. In this example, the Schumann resonance Frequencies for the Earth are calculated.

    標(biāo)簽: Frequencies eigenmodes resonance extremely

    上傳時(shí)間: 2014-12-09

    上傳用戶:stella2015

  • Program to solve for natural Frequencies (eigenvalues) and resulting mode shapes (eigenvectors)

    Program to solve for natural Frequencies (eigenvalues) and resulting mode shapes (eigenvectors) in simple structures

    標(biāo)簽: eigenvectors eigenvalues Frequencies resulting

    上傳時(shí)間: 2017-09-11

    上傳用戶:wqxstar

  • 雙音多頻(DTMF)信號(hào)發(fā)生器的使用源程序

    ·詳細(xì)說(shuō)明:雙音多頻(DTMF)信號(hào)發(fā)生器的使用源程序,vc 編寫,與《雙音多頻(DTMF)接收器的使用源程序》聯(lián)合用- The double sound multi- Frequencies (DTMF) the signal generating device use source program, the vc compilation, (DTMF) Receiver Use Source p

    標(biāo)簽: DTMF 雙音多頻 信號(hào)發(fā)生器 源程序

    上傳時(shí)間: 2013-07-23

    上傳用戶:tianjinfan

  • 雙音多頻的DTMF信號(hào)編碼程序(產(chǎn)生DTMF信號(hào)進(jìn)行編碼)

    ·詳細(xì)說(shuō)明:雙音多頻的DTMF信號(hào)編碼程序,產(chǎn)生DTMF信號(hào)進(jìn)行編碼。- The double sound multi- Frequencies DTMF signal coded program, produces the DTMF signal to carry on the code.

    標(biāo)簽: DTMF 雙音多頻 信號(hào)編碼 信號(hào)

    上傳時(shí)間: 2013-04-24

    上傳用戶:yangzhiwei

  • 單片同步穩(wěn)壓器驅(qū)動(dòng)外部元件負(fù)載

      The LTC®3414 offers a compact and efficient voltage regulatorsolution for point of load conversion in electronicsystems that require low output voltages (down to 0.8V)from a 2.5V to 5V power bus. Internal power MOSFETswitches, with only 67mW on-resistance, allow theLTC3414 to deliver up to 4A of output current with efficiencyas high as 94%. The LTC3414 saves space by operatingwith switching Frequencies as high as 4MHz, enabling theuse of tiny inductors and capacitors.

    標(biāo)簽: 同步穩(wěn)壓器 元件 驅(qū)動(dòng) 負(fù)載

    上傳時(shí)間: 2014-01-03

    上傳用戶:dongbaobao

  • CC1110:RF 片上系統(tǒng)解決方案

    The CC1101 is a low-cost sub- 1 GHztransceiver designed for very low-powerwireless applications. The circuit is mainlyintended for the ISM (Industrial, Scientific andMedical) and SRD (Short Range Device)frequency bands at 315, 433, 868, and 915MHz, but can easily be programmed foroperation at other Frequencies in the 300-348MHz, 387-464 MHz and 779-928 MHz bands.CC1101 is an improved and code compatibleversion of the CC1100 RF transceiver. Themain improvements on the CC1101 include:

    標(biāo)簽: 1110 CC 片上系統(tǒng) 方案

    上傳時(shí)間: 2013-11-12

    上傳用戶:363186

  • 差分電路中單端及混合模式S-參數(shù)的使用

    Single-Ended and Differential S-Parameters Differential circuits have been important incommunication systems for many years. In the past,differential communication circuits operated at lowFrequencies, where they could be designed andanalyzed using lumped-element models andtechniques. With the frequency of operationincreasing beyond 1GHz, and above 1Gbps fordigital communications, this lumped-elementapproach is no longer valid, because the physicalsize of the circuit approaches the size of awavelength.Distributed models and analysis techniques are nowused instead of lumped-element techniques.Scattering parameters, or S-parameters, have beendeveloped for this purpose [1]. These S-parametersare defined for single-ended networks. S-parameterscan be used to describe differential networks, but astrict definition was not developed until Bockelmanand others addressed this issue [2]. Bockelman’swork also included a study on how to adapt single-ended S-parameters for use with differential circuits[2]. This adaptation, called “mixed-mode S-parameters,” addresses differential and common-mode operation, as well as the conversion betweenthe two modes of operation.This application note will explain the use of single-ended and mixed-mode S-parameters, and the basicconcepts of microwave measurement calibration.

    標(biāo)簽: 差分電路 單端 模式

    上傳時(shí)間: 2014-03-25

    上傳用戶:yyyyyyyyyy

  • S參數(shù)的設(shè)計(jì)與應(yīng)用

    Agilent AN 154 S-Parameter Design Application Note S參數(shù)的設(shè)計(jì)與應(yīng)用 The need for new high-frequency, solid-state circuitdesign techniques has been recognized both by microwaveengineers and circuit designers. These engineersare being asked to design solid state circuitsthat will operate at higher and higher Frequencies.The development of microwave transistors andAgilent Technologies’ network analysis instrumentationsystems that permit complete network characterizationin the microwave frequency rangehave greatly assisted these engineers in their work.The Agilent Microwave Division’s lab staff hasdeveloped a high frequency circuit design seminarto assist their counterparts in R&D labs throughoutthe world. This seminar has been presentedin a number of locations in the United States andEurope.From the experience gained in presenting this originalseminar, we have developed a four-part videotape, S-Parameter Design Seminar. While the technologyof high frequency circuit design is everchanging, the concepts upon which this technologyhas been built are relatively invariant.The content of the S-Parameter Design Seminar isas follows:

    標(biāo)簽: S參數(shù)

    上傳時(shí)間: 2013-12-19

    上傳用戶:aa54

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