無耗阻 的英文怎麼說

中文拼音 [hào]
無耗阻 英文
nonresistance
  • : 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...
  • : 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) ...
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  1. Heat losses from the reservoir by heat conduction cannot be prevented.

    熱儲通過熱傳導的熱損擋的。
  2. Keeping the self - adjusting of damping behavior when the controllability of semi - active damping is disable, or saving the unnecessary energy when the continuous modulation of damping is not needed, the composite structure for self - shifting between passive and semi - active structure is presented

    摘要當磁流變減振器半主動功能失效時,為保持其尼性能仍具一定的自調節性或實際路況不需級調節時,節省不必要的能,提出用於車輛半主動懸掛系統的被動與半主動功能自動切換的復合結構磁流變減振器。
  3. 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硅襯底的傳導和降低損,來改善射頻微波源器件的性能,但這些方法均存在許多不同程度的缺陷。
  4. The conformal microstrip antenna with some unique character has been applied in many fields, especialy on speedy objects. in this paper, an efficient fdtd algorithm is introduced to analyse the microstrip antenna. firstly, the fdtd formula in descartes coordinate system and in cylindrical coordinate system are obtained from the time _ dependent maxwell equations using the yee algorithm in a calculating region where the dielectric parameters are independent of time and space. the choice of the space discretization units and the time discretization interval are discussed which are decided by the accuracy and stability respectively. the shape and setup of the excitation source are discussed too. the excitation source is chosen to be gaussian pulse in shape. secondly, the mur ' s first - order and second - order boundary condition are deduced in cylindrical coordinate system. the methods of transforming radiation fields from near zone to far zone in the frequency domain and in the time domain are presented when fdtd is applied to analyse the characteristics of far zone. finally, three kinds of microstrip antennas are analysed. they are a slot antenna that lies on a plane ground of a microstrip, a slot antenna that lies on a cylindrical ground of a microstrip and a microstrip line _ fed aperture coupled stacked rectangular patch antenna in cylindrical coordinate system

    本文從麥克斯韋旋度方程出發,建立了笛卡兒坐標下源空間中均勻媒質的fdtd基本方程和圓柱坐標下源空間中均勻媒質的fdtd基本方程,詳細討論了fdtd法計算中時間步長和空間步長的選取原則以及激勵源的類型和設置;推導了mur一階和二階邊界條件在圓柱坐標下的差分格式;給出了在用fdtd法計算天線的遠場輻射特性時必需採用的頻域和時域近場遠場變換技術;最後用fdtd法計算了平面微帶縫隙天線、柱面共形微帶縫隙天線和柱面共形微帶層疊天線的輸入抗和遠區輻射場,並分析了天線的一些參數的變化對天線輸入抗的影響,得出了一些有用的結論。
  5. 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,由於低硅襯底的高頻損,在射頻微波應用中,要在低硅襯底上實現高q值的源器件,尤其是電感,是相當困難的。
  6. Abstract : a mathematical model of electrical data calculation of coreless induction furnace is proposed and a useful method of measuring stray loss and electrical resistivity at high temperature of crucible is given

    文摘:提出了一種芯感應爐電參數計算的數學模型,給出了測量雜散損和坩堝高溫電率的實用方法。
  7. On - line monitoring of hvcb is the precondition of predicting maintenance, is the key element of reliable run, and is the important supplement to the traditional off - line preventive maintenance in fact, the faults are made by hvcb, no matter in number or in times, is over 60 % of total faults so it has determinative importance for improving the reliability of power supply and this can greatly decrease the capital waste used by - dating overhaul in this paper, the inspecting way of hvcb mechanism characteristic is discussed the concept of sub - circuit protector is presented, the scheme that we offered has been combined with sub - circuit integrality monitoring theory, to ensure that it has the two functions as a whole according the shut - off times at rated short circuit given by hvcb manufacturer, the electricity longevity loss can be calculated in each operation, and the remained longevity can be forecast too an indirect way for calculating main touch ' s temperature by using breaker shell temperature, air circumference temperature and breaker ' s heat resistance is improved in this paper, and main touch resistance can be calculated if providing the load current msp430, a new single chip microcomputer made by ti company, is engaged to develop the hardware system of the on - line monitoring device, and special problem brought by the lower supply voltage range of this chip is considered fully

    高壓斷路器所造成的事故論是在次數,還是在事故所造成的停電時間上都占據總量60以上。因此,及時了解斷路器的工作狀態對提高供電可靠性有決定性意義;並可以大大減少盲目定期檢修帶來的資金浪費。本文論述了斷路器機械特性參數監測方法;提出了二次迴路保護器的概念,並將跳、合閘線圈完整性監視和二次迴路保護結合起來,給出具有完整性監視功能的二次迴路保護器實現方案;根據斷路器生產廠家提供的斷路器額定短路電流分斷次數,計算每次分閘對應的觸頭電壽命損,預測觸頭電壽命;提出根據斷路器殼體溫度和斷路器周圍空氣溫度結合斷路器熱來計算斷路器主觸頭穩態溫升的方法,並根據此時的負荷電流間接計算主觸頭迴路的電;在硬體電路設計上,採用美國ti公司最新推出的一種功能強大的單片機msp430 ,並充分考慮該晶元的適用電壓范圍給設計帶來的特殊問題;在通信模塊的設計中,解決了不同工作電壓晶元之間的介面問題,並給出了直接聯接的接線方案。
  8. The high voltage windings is made by sectional aluminium foil with glass fiber and resin casting, the voltage between turns is very low, the partial discharge is very low, there is no cracking, since the expansion factor of conductor and insulation material is similar, it also has the advantages of no corrosion, no pollution, low losses, low noise level, anti - vibration, fire protection, maintenance free, long operating life and high reliability

    低壓繞組為銅箔繞制,半干nomex紙做層間和外層絕緣,經乾燥與銅箔固化為一體,散熱好強度高。高壓繞組為分段鋁箔繞制,玻璃絲網架環氧樹脂澆注,層間電壓低,局部放電小,導體和絕緣體膨脹系數相似,不裂壽命長腐蝕污染損小噪音低抗震燃免維護運行安全可靠。
  9. The material ways are to model the honeycomb wall as an impredence surface, to express the infinite honeycomb by using periodic green ' s function, and using method of moment to establish the mathematic model, in applying the methods of moments, we choose the roof function as basic function and choose the razor function as test function ; by equating the incident field to sum of the scattering field and impledance field ; we will set up the integral equation for the surface current, solving it by mom equation. then gain it ' s reflected coefficient ' s numerical result. and we propose first the definition of the equivalent electromagnetic parameters and present a method to calculate them from the gained reflection coefficient

    具體方法就是將浸漬吸收劑的蜂窩壁用表面抗表示,將限大的周期結構的電場用周期格林函數來表示,選取有蜂窩結構中具有代表性的基本計算單元應用矩量法建立數學模型,在運用矩量法時用屋頂函數作為基函數,刀片函數作為檢驗函數,根據蜂窩壁表面電場必須滿足入射電場等於散射電場和抗電場之和的規律,推導表面電場積分方程,求解蜂窩結構的表面電流,利用蜂窩的周期規律得到限大均勻周期陣列的散射電場。
  10. In addition, the single chip, 32 gbps switching fabric enables high - capacity applications, lower power and a non - blocking architecture

    另外,單晶元, 32gbps交換架構保證了高容量,低功塞的體系結構。
  11. In addition, the single chip, 32 - gbps switching fabric enables high - capacity applications, lower power and a non - blocking architecture

    另外,單晶元, 32gbps交換架構intel ixe5416保證了高容量,低功塞的體系結構。
  12. It is based on umc 0. 6 m bcd process. a built - in power mosfet with low on - resistance and a lossless current sensing circuit on chip provide fast and precise current mode control. furthermore, the whole losses decrease and high efficiency up to 90 % can be obtained

    它採用umc0 . 6 mbcd工藝製程,利用內置的低導通電功率mosfet和內置的電流感應電路實現了快速精確的電流模式控制,同時也降低了功,提高了轉換效率,典型的效率可達90 % 。
  13. The design of vehicle suspension system must be adapted to the requirement of the ride comfort and the control stability. it ' s difficult for traditional passive suspension to enhance the ride comfort. however, semi - active suspension can meet the ride comfort well because its suspension parameters such as damp coefficient or spring firmness can be adjustable

    車輛懸架系統的設計必須適應行駛平順性和操縱穩定性的要求,傳統的被動懸架系統已法從結構設計上使車輛具有良好的平順性,而半主動懸架由於其懸架參數如尼、彈簧剛度等具有可調性,使得它可以很好地滿足車輛行駛過程的需要,同時與主動懸架相比,由於工作中幾乎不消發動機的功率,結構簡單,造價較低,因此受到車輛工程界的廣泛重視。
  14. In 32ghz ~ 37ghz, the insert loss is about 0. 2db. in the millimeter - wave system which chiefly using waveguide as transmission line, the transition between waveguide and microstrip is absolutely necessarily

    其特點除了損低外,性材料,製作工藝簡單,可以在常用的軟基片上做出高性能的功率分配、合成網路,值得推薦。
  15. The 3 - db bridge of low loss, which is the vital part in improving power combining efficiency, is different from wilkinson bridge. it features usage in high performance power division and combining networks with the usual dielectric materials, as well as low loss, no need for resistant material, and simple fabrication technology

    本課題設計的低損3 - db電橋不同於一般常用的wilkinson電橋,其特點除了損低外,性材料,且製作工藝簡單,可以在常用的軟基片上做出高性能的功率分配、合成網路。
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