frequency generator 中文意思是什麼

frequency generator 解釋
頻率發生器
  • frequency : n. 1. 屢次，頻仍，頻繁。2. （脈搏等的）次數，出現率；頻度；【物理學】頻率，周率。
  • generator : n 1 產生者，生殖者，創始者。2 發電機，發生器。3 【音樂】基礎低音。4 ＝ generatrix a D C generator...
  1. If the numerical value line resonance frequency plus some shaft connatural frequency of generator is equal to operation frequency, it brings about coupling resonance between generator and system, which maybe results in shaft rupture of synchronous generators

    當線路電氣諧振頻率與同步電機的軸系某一固有振蕩頻率近似互補于電網工頻時，將導致機電系統的耦合振蕩，嚴重的會造成同步發電機大軸的扭斷。
  2. The prestress and harmonic response analysis method is used to study the unbalance response of a turbo - generator rotor and the displacement - frequency curve at a point of the rotor as well as the sress and strain at an appointed frequency are provided

    摘要利用預應力及諧響應分析的方法研究了轉子的不平衡響應，得出在某頻率范圍內，轉子在指定點處位移對頻率的響應曲線以及在指定頻率處，整個轉子上的應力、應變響應的影響等。
  3. Verification regulation of low frequency signal generator

    低頻信號發生器檢定規程
  4. This controllable compound excitation is suitable for the small moveable power station driving by internal combustion engine, the land or marine generating sets for the industrial frequency power of moving force or lightening also can be used for power generator in other stage

    該相復勵發電機適用於由內燃機拖動組成移動電站、陸用發電機組、作為動力或照明的工頻電源，亦可用於其它場合作為電源發電機。
  5. Our factory is established in 2004, the existing staff 80 people, workshop area 2000m2, has the production assembly line 3 and thespectrometer, the oscilloscope, the high frequency signal generator, leaks the reflectoscope reflector, the pressure resistancereflectoscope reflector, the overflow welding machine, production, thecheck - out facility and so on led lamps and lanterns simulationreflectoscope reflector

    我們廠成立於2004年，現有員工80餘人，廠房面積2000m2 ，擁有生產流水線3條及頻譜儀、示波器、高頻信號發生器、漏電測試儀、耐壓測試儀、溢流焊機、 led燈具模擬測試儀等生產、檢測設備。
  6. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其測試技術的發展歷史和現狀，液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹，然後確定了以二元調寬脈沖再平衡測試迴路為設計方案，並從控制理論的角度進行了分析，著重研究了系統中各部分的傳遞函數，利用系統開環傳遞函數分析了系統的穩定性，同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題，並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路，驗證了電路的正確性，最後按照測試系統的要求，採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具，利用該圖形化編程語言完成了測試系統軟體部分的設計，實現了測試功能。
  7. Torsional interaction exists between hvdc converters and turbine - generators, and negative electrical damping provided by hvdc may cause subsynchronous oscillation ( sso ) that can lead to turbine - generator shaft failure and electrical instability at oscillation frequencies lower than the fundamental system frequency

    高壓直流輸電（ high - voltage - direct - current - - - - hvdc ）系統與臨近同步發電機組之間存在著扭振相互作用， hvdc的電氣負阻尼作用有可能引起機組在次同步頻率范圍的扭轉振蕩。
  8. The main contents are as follows : 1. analyze and calculate the influence on network frequency and power flows on tie line when 660mw generator unit trips out from hbpn

    主要工作如下： （ 1 ）分析並計算河北南網在發生660mw機組掉閘時，對電網頻率和聯絡線潮流等方面造成的影響。
  9. General technical specification of test instruments used for power equipments part 4 : very low frequency high voltage generator

    電力設備專用測試儀器通用技術條件.第4部分:超低頻高壓發生器
  10. Abstract ： to obtain the high frequency ( hf ) array signals, an applied circuit called hf array signals generator is designed using dsp and duc ( digital up converter ). the generator simulates the generation of output signals of 9 - element arrays with different array format, different direction of arrival ( doa ) and existing cochannel signals respectively

    為了在實驗室中獲得短波天線陣列信號，應用dsp晶元和duc晶元（數字上變頻器）設計了一個實用電路短波陣列信號發生器，模擬實現了短波九元天線陣的多種陣型、不同來波方向及存在同頻多信號時的陣列輸出信號。
  11. The generator shall be run without load for 30 minutes, to record the phase current, volt, frequency, stator and bearing temperature once at intervals of 10 minutes

    電機應空載試運行2小時，每隔30分鐘記錄一次相電流、繞組和軸承溫度。
  12. The subject derives from electronic equipment bureau of electronic information industry of department of general equipment of china. the subject researches dds ( direct digital frequency synthesizer ) signal source of the frequency agile signal generator. it plays a good role in the important pre - research project that is the test technology of tactics anti - jamming for communication transceiver synthesis

    本課題是總裝備部電子信息部電子裝備局下達的預研項目? ? 《戰術抗干擾通信電臺綜合測試技術》中的信號源部分（捷變頻信號發生器中的dds信號源部分） 。
  13. By use of electronic inverter, variable speed constant frequency ( vscf ) electrical generating system converts variable frequency ac power from generator to constant frequency ac power

    變速恆頻電源系統是通過電子變換器將發電機輸出的變頻交流電轉換成為飛機用電設備所需的恆頻交流電。
  14. Ultra - high frequency generator

    特高頻發生器
  15. In the process of maintaining and upgrading 8410 icp direct reading spectrometer, maintaining and adjusting of - 145 v switching power supply of icp high frequency generator are often required

    摘要在維修和改造8410型電感耦合等離子體直讀光譜儀過程中，經常需要對icp高頻發生器中的開關電源進行維修和調整。
  16. Research and design of 0. 2 18 ghz comb frequency generator

    梳狀譜信號發生器研製
  17. After the system is designed, frequency generator is used to test the precision of system

    系統設計完成後，利用頻率發生器對系統精度進行檢驗。
  18. The sl401 circulating water refrigeration unit is mostly used as a supporting product for precision instrument facilities with the need of isothermal cooling water, for example, the x - ray diffractometer, fluorescence spectrometer, scanning microscope, laser, energy spectrometer, vacuum forming machine, high - frequency generator, mocvd, etc

    Sl401型循環水製冷機組主要為x射線衍射儀、熒光光譜儀、掃描顯微鏡、激光器、能譜、真空成型機、高頻機、 mocvd等需用恆溫冷卻水源的精密儀器設備的配套產品。
  19. The feasibility and superiority for the disc - type permanent - magnet synchronous generator used in the direct - dirve variable - speed constant - frequency generator applications is explained

    解釋了將盤式永磁同步發電機應用於直驅式風力發電系統的可行性和優越性。
  20. Today, mw wind generators substitute 600kw generators gradually and become the popular units of international market of wind power generation. the trends of units are variable speed constant frequency and large - scale and pitch control. there are many different generators which are variable speed constant frequency generator. in this paper the unit is fully - fed magnet wind turbine generator. the magnet wind turbine generator grid - connected inverter is the key component of connected system. the main function of this component is inverting the dc to three - level volage and connecting the electric net

    實現變速恆頻發電的方法眾多，本文研究的是較常用的一種方案。該方案採用直驅永磁風力發電機通過變頻器直接連接到電網。永磁風力發電機並網逆變器是並網發電系統的核心部分，其主要功能是將經過整流、斬波升壓后的直流電逆變成三相交流電，並送入電網，實現並網。
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