無源損耗 的英文怎麼說

中文拼音 [wúyuánsǔnhào]
無源損耗 英文
passive loss
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 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
  • 損 : Ⅰ動詞1 （減少） decrease; lose 2 （損害） harm; damage 3 [方言] （用尖刻的話挖苦人） speak sarcas...
  • 耗 : Ⅰ動1 （減損; 消耗） consume; cost 2 [方言] （拖延） waste time; dawdle Ⅱ名詞1 （壞的音信或消息） ...
  • 無源 : [無線電] passive無源電路 passive circuit; passive electric circuit; 無源天線 passive antenna; ref...
  • 損耗 : 1. （損失消耗） loss; wear and tear; deterioration; waste 2. [商業] wastage; spoilage
  1. As the key block of the wireless communication transmitter in rf, it is very useful in improving the output power and efficiency, lowering the loss of the supply, lowering the size and the weight, lengthening the time of communication. class e power amplifier which is suitable to amplify envelop signal is very important in modern communication system

    功率放大器（ pa ）作為無線通信射頻發射機中不可缺少的關鍵電路，對于提高手機的功率效率、降低電源損耗、減小體積重量、延長通話時間有著舉足輕重的作用，而適用於恆包絡信號放大的e類功率放大器，更是在現代通信系統中佔有十分重要的地位。
  2. In this thesis, a clamp passive loseless snubber is put forward for igbt inverters after analysing the dissipation of hard switching and soft switching with snubber. then theoretical analysis and simulation are been take to prove the work of the snubber. and a real inverter circuit and its auxiliary circuits are built

    本文在對igbt在硬開關和有緩沖電路的軟開關情況下的開關損耗進行分析之後，提出一種適用於igbt逆變橋的鉗位式無源無損緩沖電路，然後進行了理論分析和模擬分析，並製作了實驗電路和相關輔助電路。
  3. Method of insertion loss measurementsfor passive radio interference filter units

    無源無線電干擾濾波器插入損耗測量方法
  4. The paper is mainly focused on two fields. one is the formation of any thick porous silicon ( ps ) layers, which is content with 1c process. the other is the low - loss performance of passive elements fabricated on ps / oxidized porous silicon ( ops ) inter - layers under microwave operation

    本論文主要的研究內容分為兩個方面：其一是厚度可控的與ic工藝兼容的多孔硅膜的形成技術研究；其二是研究在多孔硅氧化多孔硅介質膜上制備無源器件的微波低損耗特性之可行性。
  5. These solutions are basically focused on reducing low - si substrate conduction and loss, resulting in an elimination of wave propagation in the substrate, and ther efore improving the performance of the passive elements. they are accompanied by drawbacks

    以上方法基本是集中在改善低阻硅襯底的傳導和降低損耗，來改善射頻微波無源器件的性能，但這些方法均存在許多不同程度的缺陷。
  6. In china, the quantity of electromotor - consumed electricity is 60 % - 68 % of that of all industry - consumed electricity. reactive wastage aroused by electromotor is central source of electricity wastage. since large and medium - sized electromotor contribute mainly to the equipment consumed electricity of many industry enterprises, how to reduce wastage aroused by large and medium - sized electromotor has become the key to saving energy and reducing wastage for many industry enterprises

    在我國，電機所耗電能占整個工業用電的60 - 68 ，電機等感性負載所引起的無功損耗是電網無功損耗的主要來源，而大中型電機又是許多工業企業的主要用電設備，因此，如何減少大中型電機造成的無功損耗成為許多工業企業節能降耗的關鍵。
  7. Based on the theory of branch complex power, accurate formulas are derived to determine complex loss and flow components in power elements. to overcome the deficiencies of the traditional methods which transmission cost is allocated to users only based on active power flow and the existed using portion definitions which fail to take it into account that the interaction of active and reactive power, a new definition of the using portion of a power element by a particular generator or load is addressed

    針對當前輸電費用只按有功潮流進行分配，無法計及無功潮流交叉影響的缺陷和基於傳統的電路理論無法結合有功無功潮流來定義元件使用份額的問題，本文又在復功率電源的支路功率分量理論基礎之上，基於發電機和負荷的復功率在支路上引起的有功損耗分量，給出了發電機和負荷對元件使用份額的新定義。
  8. In order to measure the characteristics of such semiconductor optical amplifier, we adopted a set of measurement system. this measurement system can be used to measure the characteristics of all kinds of active or inactive optical passive components. such device presents good polarization insensitivity ( < 0. 9db ), wide 3db bandwidth ( > 33nm ) at 0 - 200ma and different input signal light wavelength and power, the maximum fiber - to - fiber gain of 10db, lossless operation current of 50 - 75ma for different input signal light wavelength and power, large extinction ratio ( > 50db ) and lower noise figure ( nf ) ( < 8db )

    與張瑞英博士一起，首次利用該種有源區結構制備出偏振不靈敏半導體光放大器，並在0 - 200ma注入電流范圍內獲得33nm的3db帶寬，在不同信號波長，不同信號功率0 - 200ma的注入電流范圍內，偏振相關損耗均《 0 . 9db ，在耦合差損為7db / facet的條件下，最大fiber - to - fiher增益達10db ，無損操作電流為50 - 70ma ，消光比達50db以上，而噪聲指數則低於8db ，最小可達4 . 6db 。
  9. Chapter two introduces the theory of optical cavity decay time method

    第二章介紹了時間衰減法測量無源諧振腔總損耗的原理。
  10. The electric power harmonic comprehensive control system with low cast and high security is applied in this article. it adopts that sourced compensation links with non - sourced compensation herewhich the former is realized by high frequency pwm control technology and the latter is carried out by crystal switch formed by non - flow and over - voltage. it can realize stepless modulation with imaginary power, mightiness compensation of harmonic and negative electricity, and circuitry consumption debasing are achieved

    提出採用有源補償與無源補償相結合的電力諧波綜合治理技術及裝置，無源部分採用無涌流和過電壓的晶閘管控制電容器技術實現，有源部分採用高頻pwm控制技術實現，成本低、可靠性高、可實現無功功率的無級調節、強力補償諧波電流和負序電流，降低線路損耗。
  11. The insert loss of the passive circuit is less than 3. 5db, return loss better than 10db. the ammic5040 is used to drive the tga1141, and the power is splited into two signals, each of these is to drive tag4517. at the output port, the power is 4w

    無源網路損耗小於3 . 5db ，回波損耗優於10db 。第一級放大器採用ammc5040以驅動tga1141 ，通過功率分配器將信號分為兩路以驅動兩路tga4517功率放大器。最後獲得了4w連續波功率輸出。
  12. Many approaches have been proposed to achieve better rf / microwave performance of passive elements on low - r si substrates. the use of high - resistivity ( > 3000q. c / ? silicon substrate is suggested to mimic the low - loss semi - insulating gaas substrate, but this is an uncommon option for current silicon substrate

    然而，由於低阻硅襯底的高頻損耗，在射頻微波應用中，要在低阻硅襯底上實現高q值的無源器件，尤其是電感，是相當困難的。
  13. 3 ) < wp = 12 > using perturbation analysis, the space - correlation loss and the bearing - estimated error for finite - bandwidth incoherently distributed sources are evaluated analytically, respectively. it is disclosed that bandwidth - induced bearing bias increases monotonously with the signal ' s relative bandwidth. when the relative bandwidth is not small enough to be negligible, the spatially - only processing cannot lead to accurate bearing estimate, that is, the joint space and time processing is necessary for high - precision bearing estimation

    3 ）利用擾動分析方法，解析評價了有限帶寬引起的非相干分佈源的空間損耗及其對波達方向估計的影響；分析表明，帶寬擾動引起的方向估計偏差隨信號相對帶寬單調增加；當相對帶寬無法忽略時，為了得到高精度的波達方向估計，需要進行聯合空時處理。
  14. Fibre optic interconnecting devices and passive components - basic test and measurement procedures - part 3 - 7 : examinations and measurements - wavelength dependence of attenuation and return loss

    纖維光學互連器件和無源元件.基本試驗和測量程序.第3 - 7部分:檢查和測量.波長衰減函數和回波損耗
  15. Fiber gratings have several distinguished advantages, such as compare with fiber, low loss and high responsibility. as sensing element, they encode the sensing information in a wavelength form, which are their distinguished advantages over other transducers. that not only make the sensing information does not depend on loss of the system or fluctuation of then source power but also decrease the cost of sensing system and realize multipoint and distributed sensing

    光纖光柵與光纖之間存在天然的兼容性，它不僅具有易與光纖連接、低損耗、光譜特性好、可靠性高等特點，而且作為傳感元件，它具有其它傳感器無可比擬的優點，即感應的信息用波長編碼，而波長這個絕對參量不受光源功率的波動、連接或耦合損耗的影響。
  16. The resonant box effect is the most important. in chapter five, we use the experimental setup constructed and the cavity decay time method to measure the total loss of a passive resonant cavity, and analyse the experimental data in very detail. we conclude that, in present experimental conditions it is the uniformity and stability of laser mirror to confine the precision and repeatability of experimental results

    第五章在建立起了連續光波時間衰減法測量裝置的基礎上，進行了無源諧振腔總損耗的測量，仔細分析了實驗過程中的誤差因素，並指出在目前的實驗條件下限制測量精度和重復性的主要原因是激光鏡片的均勻性和穩定性不理想。
  17. So the emergence of facts is just for the purpose of solving these problems of power system. as a branch of facts, active power filter ( apf ), a new power and electric equipment, its function is to eliminate load harmonic and compensate system line reactive power, damp system surge of node voltage, decrease power waste of system line

    作為facts的一個重要分支- - - -有源濾波器（ apf ） ，是為了解決系統線路無功功率因數過低以及負載線路諧波過多，從而出現線路損耗大、電源電壓的瞬態波動過陡等一系列相關問題而產生的一種新型電力電子裝置。
  18. The main ideas of the thesis and the contributions to the resonant dc - link area are also listed in this chapter. a novel control strategy for the two - amplitude actively clamped resonant dc - link is proposed in chapter ii. it neglects the bus short circuit time adjuster and stabilizes the clamping voltage by a pi regulator so that the obtained link frequency is improved and the link losses are greatly reduced

    第二章針對雙幅控制技術在單相橋式電壓源逆變器中的應用為範例進行研究，提出了直流母線無短路控制和通過pi調節環穩定箝位電壓的雙幅諧振控制策略，進一步提高了母線振蕩頻率，減少了直流環節損耗。
  19. In this thesis, a novel structure of silicon - based passive ring waveguide resonation cavity is firstly introduced and designed. the design is combined with the mems technology, which gets rid of the curved waveguides in the previous waveguide ring resonation cavity and facilitates optical integration. the structure has characteristic of " the smaller the resonation cavity, the smaller the loss ", which has a promising future of miniaturization and fits the field of resonation rmog

    本文首次提出並設計了一種新結構的硅基無源環形波導式諧振腔，該設計與微機械技術相結合利用集成反射鏡實現光波導直角轉彎，擺脫了以前的波導式環形諧振腔中必需包含的彎曲波導，易於光學集成；同時該結構具有諧振腔越小損耗就越小的特點，有很好的微型化前景，很適合應用於諧振式微光陀螺（ rmog ）領域。
  20. Fibre optic interconnecting devices and passive components - basic test and measurement procedures - part 3 - 7 : examinations and measurements - wavelength dependance of attenuation and return loss

    光纖互連設備和無源元件.基本試驗和測量程序.第3 - 7部分:檢查和測量.衰減和回程損耗的波長相關性
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