有源換能器 的英文怎麼說

中文拼音 [yǒuyuánhuànnéngqì]
有源換能器 英文
active tra ducer
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 源 : 名詞1. （水流起頭的地方） source （of a river）; fountainhead 2. （來源） source; cause 3. （姓氏） a surname
  • 換 : 動詞1. （給人東西同時從他那裡取得別的東西） exchange; barter; trade 2. （變換; 更換） change 3. （兌換） exchange; cash
  • 能 : 能名詞（姓氏） a surname
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 有源 : [電學] active有源電路 active circuit; 有源器件 active device; 有源天線 active antenna; 有源衛星 active satellite
  1. On the basis of safe and reliable principle, the product of dajia brasnd is adopted new technology & new process to ensure perfect product performance sructure and good looking and novel in appearance. the corp. nowadays is capable of producing dozens of series and several - dozen of varieties products, such as physical restoration instruments, biochemical equipments, medical machine and power supply devices. the products are well selling both at hoine and abroad, and earned highly commend from broad customersthe corp ' s spirit of ” honesty, diligence, factualism and opening up ” is embodied fully

    達佳牌產品在安全、可靠的原則上，採用新技術、新工藝，通過不斷更新換代，保證了產品性能、結構更趨完善、外觀更美觀新穎.目前企業具有生產理療康復儀器、生化設備、醫療器械和電源設備等十多個系列幾十個品種的能力.產品暢銷國內外，深受廣大用戶的贊譽，充分體現了「真誠、勤奮、求實、開拓」的企業精神
  2. At present there is a lack of fundamental data of dynamic thermal transfer performance of ground loop exchanger and energy - saving performance of gshp system

    但有關埋地換熱器動態特性以及地源熱泵節能潛力方面的基礎性研究較缺乏。
  3. As it ' s proprietary, a large numbers of bibliography resource ca n ' t be provided to common readers of internet. along with the development of network technology, it has a instancy need to conversion marc format to the information that the browser can recognize. the language xml not only can expresses the metadata, but also can show the content of data. lt can provide individuation page layout

    Marc格式是目前圖書館館藏資源的主要表示格式，由於其專用性，使得目前大量的書目資源無法通過一般的搜索引擎向internet用戶提供，隨著網路技術的不斷發展，迫切需要將marc格式的數據轉換成常用瀏覽器所能識別的信息，為大眾提供服務，可擴展標記語言xml不僅可以表達元數據，而且可以揭示數據的內容，提供個性化的頁面顯示，用xml語言對marc數據進行描述是解決這一問題的有效途徑，文章提供了marc數據的xml表示方法和實現途徑。
  4. This paper researches and analyses the developments of web technology and magnetostrictive transducers from world wide region. the paper also analyes the characteristics curve of magnetostrictive transducers based on its equivalent circuit and researches the method how to make sure its syntony frequency and its electric simulation network parameters. at the same time, by using jsp technology, a magnetostrictive transducer electric simulation application is designed based on b / s three - tier system structure. the experiment data is fitted by curve fitting module. the equivalent input impedance of it with stimulate loop is separated based on the results of curve fitting and the syntony frequency and electric simulation network parameters of magnetostrictive transducers is determined by the input impedance. the method presented in this paper can determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers with a better accuracy than the testing method of syntony & anti - synton y. further more, jsp, the advanced technology at current, has been used to realize a magnetostrictive transducer web electric simulation system. the system has good human computer interface and the function of resource sharing and information publishing. the research of this paper and its achievements have some practical merits in the researchful and applied fields of magnetostrictive transducer

    用java編程語言編寫的曲線擬合模塊，對輸入的實驗數據進行了最小二乘法的曲線擬合；根據曲線擬合結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時由機械振動形成的等效輸入阻抗，並由此輸入阻抗確定磁致伸縮換能器的諧振頻率及電氣模擬網路參數。本課題提出的方法與傳統的諧振?反諧振法相比，能更準確地確定磁致伸縮換能器的諧振頻率及其電氣網路參數。同時，採用當前比較先進的web技術，實現了基於jsp的磁致伸縮換能器web電氣模擬系統，該系統具有良好的人機界面和資源共享、信息發布功能。
  5. At present, the typic harmful current detection methods are the fast fourier transform algorithm in frequency domain and methods based on the instantaneous reactive power theory, these methods all require some transform and quick, real - time calculating, so high precision analog multipliers or high speed dsp chip with fast a / d are needed, this results in complex circuit and high cost ， which have restricted the development of apf

    目前畸變電流檢測常用的方法有頻域法的fft和基於瞬時無功理論的畸變電流檢測法。這些方法均有一定的變換，需要快速、實時運算，因此必須使用高速的數字微處理器和高性能a / d轉換器，這必將大大提高系統成本，使得電路結構復雜，在一定程度上限制了有源濾波器的發展。
  6. Eddy - current sensor conversion circuit consist amplification circuit, band - pass filter circuit, demodulation circuit, differentiation phase and data sampling circuit. these circuits are used to convert the test signal of eddy - current sensor to discrete signal tend to process. the microprocessor system that formed of dsp chip is used to data fitting of test system, data displaying and data communicating with personal computer, etc. the interference questions of hardware design and the measure of eliminating interference signal in the subject are introduced in the last of this chapter

    硬體電路的設計主要分三大部分來實現：激勵源電路部分，由分頻電路和頻率合成電路組成，產生頻率穩定的激勵信號以確保檢測任務的正常進行；傳感器變換電路部分，由放大電路、濾波電路、檢波電路、鑒相電路和數據採集電路組成，主要將電渦流傳感器檢測線圈檢測到的信號變換成只含有被測信息的離散信號，易於后續電路處理；由dsp晶元構成的微處理系統，主要完成檢測系統的數據擬合、顯示及與主機通信等功能。
  7. A thoroughly study on characteristics of ground pipe - heat exchanger of gshp has been made in this ph. d. thesis. the research method used in this thesis is very useful for other ground energy storage system. the research results could be very significant for engineering application of gshp technique

    本文對地下埋管換熱器傳熱性能的研究較為深入，研究方法對其他地下蓄能系統的研究有借鑒意義，研究成果對地源熱泵技術的推廣具有工程指導意義。
  8. To analyze some key technologies of optical network relative with rwa in detail, such as transmission, switching and internetworking ; to emphasize on the research of function, fabric and performance of optical cross - connection ; to carry out numerical simulations for crosstalk introduced by optical cross connect and to present measurements for suppressing it such as doubly filtering, fixing optimum decision threshold and appropriately choosing the number of multiplexed wavelengths ; 3. to research the fundamental principle and some problems relative with rwa, including the type of optical network, the type of traffic, the type of service, the survivability of optical network ; to classify and compare rwa algorithms and particularly research some dynamic rwa algorithms ; 4. to present reserved light - path and classify network resource such as used, unused and reserved status, to emulate establishment of all - optical connection in optical network through modified rwa algorithm and show effectively reducing setup time of all - optical connection utilizing reserved light - path ; to research rwa algorithms of multi - fiber network, to present new link weight functions dependent on node degree, unused fiber ( s ) per wavelength - layer and routing policies, to perform emulation of rwa based wavelength layer graph applying new link weight functions and show them make algorithms better performance and network lower blocking rate ; 5

    詳細分析了與rwa相關的光網路關鍵技術，包括傳輸、交換、組網等，重點研究了光交叉連接的功能和結構、性能，對其引入的串擾進行了詳細分析，選擇恰當的器件參數進行了數值模擬，並提出了抑制措施（如雙重濾波、優化判決門限、選擇恰當的復用波長數） ; 3 .研究了光網路的r認叭的基本原理、與r認叭的幾個相關問題（光網路類型、業務類型、流量類型、光網路生存性） 、 r認人演算法的分類和比較，具體研究了幾種動態r場人演算法; 4 .研究了以全光連接建立時間為優化目標的r認認演算法，提出預置光路的概念，對網路資源進行狀態分類（佔用、未佔用、預置） ，利用改進的r認叭演算法模擬，預置光路可為部分新到的連接請求快速建立連接，從而提高網路性能;研究了以多光纖網路連接阻塞率為優化目標的r認城演算法，提出了以節點度數、每個波長分層的空閑光纖數以及路由策略決定的幾種鏈路權重函數，利用基於波長分層圖模型的并行r場人演算法模擬，利用新的鏈路權重函數使得演算法具有更優的性能，使網路具有更低的連接阻塞率。
  9. The precise clock source is crystal oscillator made of 74hc04 ; the mute circuit can conceal the error and solve the problem of noise ; the antenna switching circuit in the receiver is to select one antenna from two which receives signal better. it can improve the quality of the receiving audio signal, restrain the noise effectively and promote the system performance

    高精度的時鐘源是由74hc04構成的晶體振蕩器;靜音電路將出錯的音頻信號進行差錯掩蓋，很好地解決了噪聲問題;接收機採用兩副天線切換工作，提高了音頻信號接收質量，有效地抑制干擾，提升了系統的性能。
  10. The main circuit is consisted of 18 thyristors circuit and protection circuit. with the help of control subsystem, it can get the output of low frequency voltage ( current ) with the shape of sine wave ; the core of the control subsystem is the cpu of 87c196kc, and the synchronization circuit, the pulse - widen circuit, and the power - enlarged circuit form the accessorial subsystem of the control system. it possesses all the functions of digital triggering, digital tuning, analog / digital conversion ; the input transfer can isolate the input and output ; and the circumfluence reactor can reduce the circumfluence

    主迴路採用由18個晶閘管組成的三相零式電路，並輔以晶閘管的保護電路，通過控制可以得到低頻正弦波的電壓（電流）輸出；控制迴路主要以87c196kccpu為核心，其外圍電路包括同步電路，脈沖拓寬電路，功率放大驅動電路等，完成了數字觸發、數字調節、模數轉換等功能；進線電源變壓器具有變壓和隔離作用；環流電抗器則實現了有效抑制主迴路瞬時脈動環流的功能。
  11. In chapter 4, considering the features of high voltage transformer and the difficulties to make it, a reasonable design scheme with src was proposed, which efficiently reduced negative influence of distributing parameters of transformer on switching power supply and could completely utilize leakage inductance as resonant inductance

    第四章中分析了高頻高壓變壓器的特點及難點，提出了合理的串聯諧振變換器的設計方案，能夠完全利用變壓器的漏感作為諧振電感，有效地降低了分佈參數給高壓大功率開關電源所帶來的不利影響。
  12. Firstly, the thesis briefly introduces the key techniques relating to the power module, and points out that the magnetic - integration technique can improve the performance further. secondly, the characteristics of active - clamp forward converter are analyzed, and the notion of flux - coupling is proposed to derive the im - fac converter

    論文首先簡要介紹模塊電源及主要的幾種關鍵技術，指出模塊電源中應用磁集成技術可進一步提高其性能;接著分析了有源箝位正激變換器的工作特點，提出磁通有效耦合的思路，並據此得出im - fac變換器。
  13. The author gives a completely literature review about buried pipe - in - pipe heat exchanger in gshp system at first, and then outlines the research subjects to be studied in this ph. d. thesis, that is, process optimizing of performance of a buried pipe - in - pipe heat exchanger, mathematical modeling of its heat transfer process, and results verification by field tests

    本文在綜述有關地源熱泵的地下埋管換熱器研究現狀的基礎上，首先確定本文所要研究的內容：地下埋管換熱器參數優化及傳熱性能數學模擬方法，並通過實驗測試驗證相應研究結果。
  14. The device used transducer as power can gain great amplitude effectively and output great power

    採用夾心式換能器作為激勵源能有效地獲得大振幅振動，並提高機電耦合效率。
  15. The heat pipe exchanger has the advantages of compact, controlling erode of acid dew point, high efficiency, low pressure drop loss and reliability, so they are used widely in heat energy utilization and waste heat recovery. it is also helpful to recover the waste heat, save the raw materials and reduce the production costs. economic benefit from application is obvious

    以熱管為傳熱元件的熱管換熱器具有下列特點：傳熱效率高，壓力損失小，工作可靠，結構緊湊，有利於控制露點腐蝕等，這些獨特的優點是它在解決能源問題，如：利用熱能、節約原料、降低成本等方面，特別是在工業余熱利用中發揮了越來越多重要的作用。
  16. Ningbo ekey ruineng electric technology co., ltd. is ningbo ekey holding groups subsidiary company. the head offices main business is embedded software industry and hammer at development the software exploiture and design, network engineering, chip development, ipv6 digital switching equipment, mobile communications, internet phone, intelligent home electric equipment, automobile anti - theft devices, unlimited remote control and power adapter, etc high - tech industri

    寧波易科瑞能電子科技有限公司是寧波易科投資控股有限公司下屬子公司，集團公司以嵌入式軟體產業為主營業務，以軟體開發設計，網路工程，晶元研發， ipv6數字交換設備，移動通訊，網路電話，智能家電，汽車防盜器，無限遙控，電源適配器等高科技產業為重點發展方向，並從事房地產開發，酒店投資管理，國際國內貿易等業務，在線投資總規模超過11億人民幣
  17. In this paper, basic circuit models of cc - current mirror and active impedance are analysed and a new active feedback current mirror is proposed which can achieve larger output impedance, higher current transfer precision, lower power and wider signal dynamic swing

    系統地分析了電流傳送器的組成模塊? ?電流鏡和有源電阻，同時提出了一種改進型有源反饋電流鏡電路。該電路能大大提高輸出電阻，同時能保持原電路的電流轉換高精度、低功耗、更寬更良好的輸出電壓動態范圍。
  18. Be smart, buy smart when you are buying new or replacing your old electrical household appliances, select those with a grade 1 energy label

    當你選購新的，或更換舊的家庭電器時，應選擇貼有一級能源效益標簽的用品。
  19. However, researches on design of the geothermal heat exchanger ( ghe ), performance predictions of the gshp systems and system optimization are far from adequate. besides, no national standards and criteria are promulgated for the gshp systems. this situation impedes its application

    但是有關地熱換熱器的設計、地源熱泵空調系統的性能預測、系統的優化設計等方面的研究還很不完善，也缺乏相應的規范，這在很大程度上制約了地源熱泵的應用。
  20. However these converters become more complicate. phase - shift zvs technique has been used in bidirectional dc / dc converters since it can realize zvs for all switches without auxiliary switches. however when the amplitude of input voltage is not matched with that of output voltage, the current stresses and rms currents of the converters become higher, in addition the converters can not achieve zvs under light - load condition

    諧振、準諧振或多諧振技術方案，變換器的電壓電流應力較高，變頻控制增加了濾波器設計的難度；能量緩沖吸收電路或有源鉗位電路方案，由於需要增加多個額外輔助元件，增加了變換器的復雜性；全橋相移技術方案，由於主電路無需增加額外元件，只需利用相移控制，即可實現軟開關，因此引起關注。
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