波動阻抗 的英文怎麼說

中文拼音 [bōdòngzǔkàng]
波動阻抗 英文
self surge impedance
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 阻 : 動詞（阻擋; 阻礙） block; hinder; impede; obstruct
  • 抗 : Ⅰ動詞1 （抵抗; 抵擋） resist; combat; fight 2 （拒絕; 抗拒） refuse; defy 3 （對等） contend with...
  • 波動 : 1 （不穩定） undulate; fluctuate; unsettle; surge; rise and fall 2 [物理學] wave （motion）; wave...
  • 阻抗 : [電學] impedance
  1. The explicit method of calculating surges in throttled, simple and downriver throttled and simple surge tanks has been derived for the first time by use of thaler series expansion from the basic formulation of surge tank. 2

    根據調壓室的基本微分方程，利用泰勒級數展開方法首次推導出了阻抗式、簡單式、尾水阻抗式和簡單式調壓室水位波動的顯式計算公式。
  2. The theoretic calculating method of the maximum and the minimum water level in the differential surge tank has been derived firstly. also the explicit method of calculating surges in the differential surge tank has been deduced firstly by use of thaler series expansion. the calculating method of section of the well and the effective impedance hole in the surge tank has been gived

    根據差動式調壓室的基本微分方程，首次推導出了差動式調壓室涌浪幅值的理論計算公式；並同樣利用泰勒級數展開方法推導出了差動式調壓室水位波動的顯式計算式；導出了差動式調壓室大井面積和有效阻抗孔面積的計算方法。
  3. For the bldcm which has a pseudo - sinusoidal back - emf waveform, this dissertation presents a svpwm control method using six discrete position signals for minimizing the torque ripple. the main aspects for the implementation of this method are analyzed, including the initial orientation of the voltage vector, reasonable choice of the impedance angle and the advance commutation angle, and estimation of the successive rotor positions

    針對反電動勢類似正弦的準正弦波反電動勢無刷直流電動機，本文提出一種基於六個離散位置信號的自同步svpwm （電壓空間矢量法）控制方法，用以削弱電磁轉矩脈動，分析了實現這種方法的主要控制環節，包括起動時電壓空間矢量的初始定位，阻抗角與電流超前角的合理選擇以及連續轉子位置的估計等。
  4. In this paper, a method assessing harmonic impedance by synchronously layered distortion waves is proposed, which is based on the " fluctuations method " - a simple and effective means. however the method is based on the fourier transform, which can just precisely analyze the signals whose cycle is integer times as broad as that of fundamental wave. with sampling windows widening, the variations of distorted signals in a fundamental period are weakened

    本文是以一種被廣泛採用的非干預式諧波阻抗估計方法? ? 「波動量」法，的基礎上，針對現有方法以直接的fourier變換為分析工具，只能對基波周期的整數倍窗口采樣信號進行分析，畸變信號在一個基波周期內的變化隨采樣窗口增大而被弱化，並且，諧波次數越高，解析度就越低，大大限制了諧波阻抗估計的準確性的提高。
  5. In accordance with the driving characteristics of ac driving locomotive, the working status of its traction transformer is analysed. the questions that should be considered in the traction transformer design of ac driving locomotive are mentioned. these questions are the large short - circuit impedance of traction winding, higher harmonic current, over - excitation and dc magnetization caused by large variation of the network voltage, etc. some disposal methods are given

    針對交流傳動電力機車的傳動特點，對其中的牽引變壓器的工作狀態進行了分析，指出交流傳動電力機車用牽引變壓器設計時需考慮的牽引繞組的短路阻抗大、電流的高次諧波、網壓波動大可能引起的過勵磁以及直流磁化等問題，同時給出了相應的一些解決方法。
  6. To characterize the local discontinuity due to the crack, a rotational spring model is proposed to model the crack, on the basis, a method for crack identification is presented in this paper, which makes use of the driving - point mechanical impedance characters of the cracked beam stimulated by harmonic force

    為了描述由裂紋引起的梁中波傳播的不連續特性，引入彎曲彈簧模型來模擬裂紋，並在此基礎上提出了利用梁結構驅動點阻抗特性的裂紋損傷識別方法。
  7. Changing the depth of penetration of the three dowels results in the variation of the reflection coefficient ( s1 1 ) at the port 1. using matlab, we can calculate different equivalent impedance of port 1 which resulted from the variation of dowels depth. the purpose of my work strike up a relationship between the depth of dowels and equivalent impedance at port, thereby accomplish matching rapidly, simultaneously and stably

    在構建了自動阻抗匹配系統的基礎上，本文提出了一種新的快速匹配方法;此方法是將模擬軟體hfss和系統設計相結合，用hfss模擬系統中完成阻抗變換作用的銷釘匹配器，獲得銷釘插入波導深度變化時的埠等效特性，並將模擬得到的數據用matlab組織起來，分析銷釘插入波導的深度變化時埠等效阻抗特性的變化，來達到對調試變化規律的認識，快速的實現銷釘插入深度與反射系數間的統一。
  8. Flier - plate with graded wave impedance, which can be regarded as a new type of functionally graded material ( fgm ) since its wave impedance changes gradually along the thickness direction and thus can be used to generate quasi - isentropic compression energy waves in targets or drive projectiles to hypervelocities, has come to show great potential for the application in dynamic high - pressure technique

    波阻抗梯度飛片作為一類新型的功能梯度材料（ fgm ） ，因其波阻抗值沿厚度方向呈梯度變化而具有準等熵壓縮特性並能進一步用於超高速發射中，可以看作是fgm的優異特性在動高壓物理領域中的應用新拓展。
  9. The surges in the throttled, simple, downriver throttled and simple and differential surge tanks and the calculating method of the waterhammer pressure in pipe systems have been studied through the theoretic analysis and experiments in the paper

    本文根據理論分析和模型試驗相結合的方法，研究了阻抗式、簡單式、尾水阻抗式和簡單式、差動式調壓室的水位波動過程和壓力管道水擊壓強的計算方法。
  10. The paper makes out the calculating program of the surges in throttled., simple and differential surge tanks with the method of runge - kutta, fortran 90 and the basic formulation of surge tank on the visual fortran background compiler. 4

    在windows環境下，使用visualfortran編譯平臺，從調壓室的基本方程出發，採用四階龍格庫塔方法，用fortran90語言編制了阻抗式、簡單式及差動式調壓室的水位波動計算程序。
  11. Mutual surge impedance

    互感波動阻抗
  12. The analytical mode is based on the theory of sound propagation in layered media. the concept of equivalent parameters is established. the absorption of sound energy by damping layer ' s is represented by use of complex sound impedance

    解析模型以分層介質中的波動理論為基礎，建立了等效參數的概念，並運用聲阻抗的復數表示法把阻尼層對介質層聲能吸收的影響都考慮進去，通過比較敷設消聲覆蓋層前後多層傳遞損失的差異來獲得消聲層的效率。
  13. Firstly, object - oriented programming method and relation database technology are used to realize protective information management, with a multiple tires " client / server architecture. using it, the technical staffs can check all kinds of reports, fault waves and setting values of protection. secondly, based on protective principles of ta21 series protection devices, protective function is simulated by using object - oriented technology

    首先，本文將面向對象方法和關系數據庫技術結合起來，採用psmis的多層客戶?服務器體系結構實現對保護信息的管理，以便供電段技術人員查看保護裝置的整定值、各種報告、故障錄波（系統不僅能顯示波形，還能動態顯示波形每一點的峰值、有效值、相位，甚至阻抗值及阻抗角、諧波含量等） 。
  14. Filters, couplers and baluns are fabricated in the high frequency passive device integration regions

    濾波器、耦合器和平衡非平衡阻抗轉換器系製造在高頻被動元件整合區域內。
  15. Because the synthetic seismic record and the seismic record data got in the surface are not well matching caused by the dispersion of seismic wave, frequent correction between them must be done before use. under control of well logging data, there are two important methods to get wave impedance from seismic data inversion : wave impedance inversion method based on convolution model and wave impedance inversion method based on wave equation. using seismic data attributes can predict the information of logs

    測井資料和地震資料是地震勘探中兩種最重要的資料，由於地震波的頻散，使合成地震記錄與地面地震記錄不能完全匹配，因此使用之前必須對二者進行頻率校正地震資料在測井資料約束下可以進行反演，以求取地下波阻抗，主要有兩種方法：基於褶積模型的波阻抗反演方法和基於波動方程的波阻抗反演方法可以用多屬性變換由地震資料預測測井信息。
  16. Flier - plate with graded wave impedance, which can be regarded as a new type of functionally graded material since its wave impedance changes quasi - continuously along the thickness " direction and thus has quasi - isentropic compressive characteristics, has come to show great potential for the application in dynamic high - pressure technique

    波阻抗梯度飛片作為一類新型的功能梯度材料，因其波阻抗值沿厚度方向呈準連續變化，而具有準等熵壓縮特性，可以看作是功能梯度材料在動高壓物理研究領域中的應用新拓展。
  17. Flier - plates with graded wave impedance can be regarded as a new kind of functionally graded material ( fgm ), which has come to show great potential for the application in dynamic high - pressure technology. by using such fgms, quasi - isentropic loading to target materials can be created

    波阻抗梯度飛片作為一類新型的功能梯度材料，因其對靶具有準等熵壓縮特性，可以看作是梯度材料在動高壓物理研究領域中的功能拓展。
  18. Apf can achieve dynamic compensation for harmonics and reactive current, and the compensation performance is not affected by the impedance of power grid, it has advantages as follows, fast response, high controllability and adaptability, etc. brief illuminations of advantages and disadvantages are performed to various harmful current detecting methods and control techniques

    它可實現對諧波和無功的動態補償，其補償特性不受系統阻抗的影響，具有響應快、可控性高、自適應性強等優點。本文對有源電力濾波器的各種諧波電流檢測法及控制方法進行了簡要的優缺點說明。
  19. Apf can achieve dynamic compensation for harmonics and reactive current, and the compensate performance is not affected by the impedance of the electric network, it has advantages as follows, fast response, high controllability and adaptability, etc. analysis is performed to existing main circuit topology, harmful current detecting method and current tracking control of apf in this paper

    有源電力濾波器可實現對諧波和無功的動態補償，其補償特性不受系統阻抗的影響，具有響應快、可控性高、自適應性強等優點。本文對現有的有源電力濾波器的各種主電路拓撲、畸變電流檢測和電流跟蹤控制方法進行了分析。
  20. In this paper, it introduces an automatic impedance matching system that can accomplish matching with the dynamic load impedance in highpower microwave system

    本文構建了一個能為大功率微波系統的動態負載提供匹配的自動阻抗匹配系統。
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