dielectric line 中文意思是什麼

dielectric line 解釋
介質線路
  • dielectric : adj. 非傳導性的，絕緣的，介電的。n. 電介質，電介體，絕緣體。
  • line : n 1 線；繩索；釣絲；測深度用繩，捲尺。 a fishing line 釣魚線。 be clever with rod and line 會釣魚...
  1. According to the academic analysis of insulation, this paper expatiates the examination ways of electric power insulates, such as shaking - watch, the direct current withstand voltage and measure leakage current, alternating current withstand voltage, measure dielectric loss angle, on - line inspections etc., to be used to direct the installations and debugging of electrical engineering

    通過絕緣介質的理論分析，闡述了電氣設備絕緣檢查通常的搖表檢查，直流耐壓及漏泄電流的測量，交流工頻耐壓，介質損失角的測量，在線檢測等方法，以用來指導電氣工程施工的安裝和調試。
  2. . connectors, receptacle, electrical, coaxial, radio frequency series sma, socket contact, flange mounted, extended dielectric for strip or microstrip transmission line, detail specification for

    Sma系列帶狀線或微帶傳輸線用插孔接觸件
  3. It is capable to lower the insertion loss by using high conductivity electrode material and increasing the electrode thickness and quality factor of bst capacitor. at the same time increasing the tunability of the dielectric constant and the length of the transmission line can increase the phase shift

    通過使用高電導率的電極材料、增加電極的厚度、提高bst薄膜電容的q值可以實現器件插損的降低；增大薄膜的介電系數變化率和傳輸線長度可以增加移相度。
  4. The vector magnetic potential of a system consisting a line electric current and an infinite long magnetic dielectric column is calculated with the method of separation of variables and method of images, it is pionted out that the vector magnetic potential of a system consisting a line electric current and a magnetic dielectric plane, an ideal paramagnetic column, a superconductor column, and a line electric current in homogeneous magnetic field can all be deduced from our calculation

    摘要用鏡象電流法和分離變量法計算了線電流與無限長磁介質圓柱系統的磁矢勢，指出線電流與無限大磁介質分界平面、線電流與超導體圓柱、均勻外磁場中有磁介質圓柱系統時的磁矢勢都可以由線電流與磁介質圓柱系統的磁矢勢的極限情形給出。
  5. 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無源空間中均勻無耗媒質的fdtd基本方程和圓柱坐標下無源空間中均勻無耗媒質的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阻抗和遠區輻射場，並分析了天線的一些參數的變化對天線輸入阻抗的影響，得出了一些有用的結論。
  6. The antenna is obtained by extending the longitudinal strip of the fin - line, and etched on a metallized dielectric substrate. it is operating at ka band ( center frequency : 34ghz ), which has a good agreement between simulated and measured results. its e - and h - plane 3db main lobe beamwidth are 79. 25 and 80. 03 degrees respectively with sidelobes less than - 10db

    天線工作的中心頻率為34ghz ， e面和h面測試方向圖主瓣寬度分別為79 . 25o和80 . 03o ，旁瓣電平均小於- 10的db ，模擬和試驗結果基本一致，所設計天線的各項指標經測試基本達到要求。
  7. The dielectric dead - end product line has been designed to securely, but gentle, terminate all dielectric self - supporting adss aerial fiber optic cable

    全介質自承式光纜adss用耐張線夾該類耐張線夾用於將adss光纜固定連接在塔桿上。
  8. Leaky characteristics of modified suspended substrate microstrip line with multilayer dielectric structure

    一種新型多層介質懸置微帶線漏波特性的分析
  9. Capacitance calculation for transmission line filled with piecewise homogeneous dielectric using boundary element method

    用邊界元法分析非均勻介質中的傳輸線
  10. . connectors, receptacle, electrical, coaxial, radio frequency series sma, pin contact, flange mounted, extended dielectric for strip or microstrip transmission line, detail specification for

    Sma系列帶狀線或微帶傳輸線用插針接觸件
  11. Our products includes dead - end, clamp, formed wire dead - end, dielectric dead - end product line, spiral vibration damper, dielectric suspension and splice case, etc can be customized to satisfy the requirement from our energy customers and optic fiber manufacturers

    電力金具產品有：導線耐張線夾拉線耐張線夾單懸垂線夾雙懸垂線夾護線條接續條防振金具等。
  12. The following two chapters do analysis in details mainly on pd and dielectric loss tangent ( tg ) for on - line capacitor in both phenomena and theories

    接下來兩章分別從現象和理論上對在線電力電容器的局部放電和介質損耗tg進行了詳盡分析。
  13. After the analysis of some structures commonly used in dielectric phase shifter, a new structure named distributed capacitor - loaded phase shifter was carried out. it is comprised of a high - impedance transmission line periodically loaded with bst ( baxsr1 - xtio3 ) thin film capacitors

    在對現有的幾種薄膜介質移相器結構進行分析的基礎上，提出了一種新型的分散式電容負載型薄膜介質移相器結構，它由高阻傳輸線和周期性負載的鈦酸鍶鋇薄膜電容構成。
  14. Strip - line test methods for plural permittivity of microwave dielectric substrates

    微波介質復介電常數的帶狀線法測量
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