端阻抗 的英文怎麼說
中文拼音 [duānzǔkàng]
端阻抗
英文
terminal impedance-
In this thesis, the author analyses the deficiency in detecting and controlling function of the computer detecting and controlling system utilized in present transforming station. the strategy of design of software on operation and direction of 5 00kv transformer station is presented. it points out that we can deduce the mathematic analytical formula using the current, voltage and power of two terminals of transmission line as input. on this basis, we do realtime calculation of 500kv transmission line ' s parameter. we can also deduce the linear analytical formula of three - winding autotransformer ' s resistence using its current, voltage and power as input. the corresponding software is programmed on this basis
論文提出以輸電線路本端和對端電流、電壓、功率作為輸入量，導出了超高壓長線的波阻抗和傳播常數的數學解析式，在此基礎上進行了500kv輸電線路實時參數計算；提出以三繞組自耦變壓器的電流、電壓、功率為輸入量，導出了自耦變壓器繞組的電阻、電抗的線性解析式並進而對變壓器的實時參數進行計算；在此基礎上編制了相應的軟體。If the node is at, or near to, ground then a grounded guard ring will be appropriate, if it is at some other potential it may be necessary to use a high input impedance buffer amplifier, with its input connected to the node, to force the guard ring to the node potential
如果被保護的節點的電位是（或接近）零電位，採用地線保護環最為合適；如果節點電位是其他值，那麼可以用高輸入阻抗放大器組成緩沖器，輸入端連接該節點，輸出端連接保護環。The first is extremely resistant to nucleophilic reagents.
前者極端地阻抗親核試劑。However, by the time a lightning strike has traveled through the distribution network, surge arrestors will have dissipated a proportion of the charge, network impedance will have shaped the impulse and the residual energy can be represented in terms of its waveshape, and its peak current which is what will be present at a service entrance
然而，雷擊經過電力網路進行傳送以後，避雷放電器會將一部分能量泄放掉，網路的阻抗也會對電涌進行修整，而殘余的能量將可以以它的波形來體現，其峰值電流也就是建築物進入端將會出現的情況。Novak layer method is introduced to obtain the vertical dynamic impedances of both an end - bearing pile and a floating pile in a homogenous stratum. and the vertical dynamic impedances of single pile are analyzed in homogenous elastic soil, inhomogenous viscoelastic soil homogenous viscoelastic soil. at the same time, the factors to influence the impedances of single pile are examined
本論文採用novak薄層法，推導了在均質地基中，端承單樁和摩擦單樁的動阻抗；並全面分析和對比了均質彈性、均質粘彈性和非均質粘彈性地基模型中的單樁的動力阻抗，考察了各種因素對單樁動力阻抗的影響程度。The exportation resistance of a device work device with what link after loading the resistance s the certain connections for should satisfying, in order to prevent mount to load the appearance produce the obvious influence. with each other connect to say to electronics equipments, for example after signal connect the enlarger, ex - class to connect class, only behind first - degree importation resistance before larger than first - degree exportation resistance 5 - 10 times are above, can think the resistance to match good ; connect the box come saying, electronics tube the machine should choose to use with for the enlarger its output to carry the mark to call the resistance the box for, but transistor enlarger then have noing this restrict, can take officing why resistance of equal or approximate box
一件器材的輸出阻抗和所連接的負載阻抗之間所應滿足的某種關系，以免接上負載后對器材本身的工作狀態產生明顯的影響。對電子設備互連來說，例如信號源連放大器，前級連后級，只要后一級的輸入阻抗大於前一級的輸出阻抗5 - 10倍以上，就可認為阻抗匹配良好對于放大器連接音箱來說，電子管機應選用與其輸出端標稱阻抗相等或接近的音箱，而晶體管放大器則無此限制，可以接任何阻抗的音箱。This is a low impedance discrete level control which sits between the preamp active circuitry and the input to your power amplifier
這是一個位於前級有源電路和后級放大器輸入端之間的低阻抗的音量控制。For bus system installation, the focus is put on cable selection principle, installation process and antinoise measure ; for security protection equipment installation, the intrinsic safety concept, installation method equipment selection and installation under two electric power supply modes ( entity concept and fisco model ) and the bus system protection against surge voltage are illustrated ; for network component installation, the selecting, installing and integrating methods of general purpose terminators, repeaters, link equipment, bus power supply and impedance module are described
在總線電纜的安裝方面，著重討論了電纜的選型原則、安裝方法和抗噪防擾措施；在安全保護設備安裝方面，介紹了總線系統中本質安全的概念、安裝方法、兩種供電方式（實體概念和fisco模型）下設備的選擇與安裝以及總線系統浪涌電壓的保護和設備安裝方法；在網路元件的安裝方面，主要列舉了通用終端器、中繼器、鏈路設備、總線電源及其阻抗模塊等的選擇、安裝和集成方法，為總線系統的安裝提供了可以借鑒的實用經驗。If line length is half wave at a certain frequency and both the load resistance rt and source resistance rs are higher than the characteristic impedance zo, then both the voltages at input and at load are maximum at that frequency and both the voltages at input and at load are minimum at half of that frequency
負載端電阻及電源電阻均高於傳輸線特性阻抗情況下，當線長為某頻率波長之半波，則輸入端與負載端電壓在該頻率均為最高，在該頻率之半時則電壓均為最低。If line length is half wave at a certain frequency and the load resistance rt is lower while source resistance rs is higher than the characteristic impedance zo, then both the voltages at input and at load are minimum at that frequency and both the voltages at input and at load are maximum at half of that frequency
負載端電阻低於傳輸線特性阻抗及電源電阻高於傳輸線特性阻抗情況下，當線長為某頻率波長之半波，則輸入端與負載端電壓在該頻率均為最低，在該頻率之半時則電壓均為最高。Then, this thesis presents an algorithn of 2 - terminal quantity fault location based on synchronous gps sampling. this algorithm conducts fault location with only the 3 - phase fundemental wave voltage and current phasors of the 2 terminals of transmission lines and apples to lines of both symmetrical and asymmetrical parameters, irrelerant to the impedence, fault types and transitional resistance of the 2 terminals of lines
然後，本文提出了一種基於gps同步采樣的雙端量故障測距演算法。該演算法僅利用輸電線路兩端的三相基波電壓、電流分量來進行故障定位，不受線路兩端系統阻抗、故障類型、過渡電阻等因素的影響，對參數對稱線路和非對稱線路均適用。Designers and registered electrical workers may be uncertain whether conductive parts such as metallic bathroom accessories, metallic windows or metallic door handles are extraneous conductive parts. when difficulties are encountered, you may carry out a measurement as illustrated in figures 4 and 5. in figure 4, a is an exposed conductive part with a resistance rcpc to main earthing terminal
附圖四載列外露非帶電金屬部分a及懷疑為非電氣裝置金屬部分b （例如是金屬水喉管或木門的金屬手柄） ， a對總接地終端的阻抗為rcpc ， b對地的阻抗為rx 。Test methods for communication cable - impedance and impedance irregularities test of coaxial pair - pulse method
通信電纜試驗方法同軸對端阻抗及內部阻抗不均勻性試驗脈沖法Telecommunications - telephone terminal equipment - resistance and impedance performance requirements
電信.電話終端設備.電阻和阻抗的性能要求In order to improve the circuit ' s input impedance, which is affected by insulating resistance of electrode leading wire, terminals and printed circuit board, electrode is connected to the meter through insulating wire of high impedance which is directly welded in the printed circuit board with insulating ring. the deviation of electrode is corrected by software and the algorithm is given
使用高阻絕緣線連接電極，並將高阻絕緣線直接焊在加有絕緣環的印刷線路板上，從而消除電極引線、接線端子和印刷線路板漏電對放大電路輸入阻抗的影響；軟體校正電極偏差，並給出校準演算法。The current in the dac ’ s output can drive the load, and the structure can save a buffer consisted of operational amplifier, so the structure can achieve high speed with no close - loop and feedback in this circuit
該10位分段式電流舵型數模轉換器的輸出端可直接用電流輸出來驅動負載阻抗，省去運算放大器構成的輸出緩沖，整個電路中沒有形成閉環和反饋，因此這種電路結構可以達到很高的速度。According to zero sequence voltage distribution from system zero sequence impedance to shunt reactor zero sequence in zero sequence circuit, the zero sequence voltage at the terminal of shunt reactor and the zero sequence compensating voltage at neutral are compared in the scheme
即根據零序網路中零序電壓在系統零序阻抗和電抗器零序阻抗上的分佈情況，通過直接比較電抗器首端零序電壓與補償到電抗器末端中性點的零序補償電壓的幅值大小，來判別電抗器匝間故障。Both ends of the shield are a " floating " ground in most cases, and this creates a complex circuit network consisting of the complex impedance to ground of the output circuit at one end, the complex input circuit impedance at the other end, and the resistance, capacitance, and inductance of the cable in between
大多數情況下屏蔽線兩端是「漂移」的接地端，這就形成了復雜的電路，這個電路的一端相對輸出端的接地點有復雜的阻抗，另一端又有復雜的輸入阻抗以及連接線的電阻，電容和電感。Elements of electrical and optical connection - test methods - electrical elements - measurement of characteristic impedance of a bus or a stub terminator
電氣和光學連接元件.試驗方法.電氣元件.總線或短線端子的特徵阻抗的測量In all simulations it was assumed that the termination impedances were known
在所有的模擬中都假設終端阻抗是已知的。分享友人