波阻抗 的英文怎麼說

中文拼音 [kàng]
波阻抗 英文
characteristic impedance
  • : 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...
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : Ⅰ動詞1 (抵抗; 抵擋) resist; combat; fight 2 (拒絕; 抗拒) refuse; defy 3 (對等) contend with...
  • 阻抗 : [電學] impedance
  1. 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、電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。
  2. A study of hybrid optimum impedance inversion method

    混合優化波阻抗反演方法研究
  3. The basic principle and method of 3d stochastic modeling of sedimentary microfacies are discussed according to geological and acoustic impedance data of well - logging constrained seismic inversion, and a case study according to stochastic modeling of fluvial facies reservoir of the minghuazhen formation of neocene in a certain block of bohai bay basin is used to show the general process of this research

    摘要探討了綜合應用地質及測井約束地震反演信息進行三維沈積微相隨機建模的基本原理、思路與方法, ?以渤海灣盆地某區塊新近系明化鎮組河流相儲層?例,說明這一研究過程的基本步驟,包括井眼沉積微相解釋、測井約束地震反演、波阻抗與地質相的概率關系分析、隨機模擬方法選擇、地質統計特徵分析、三維隨機建模、隨機模擬預測的多解性評價。
  4. In the process of applying this technology in one reservoir in the cn work area to forecast the oiliness, the results of this research and the results of acoustic impedance inversion have been reciprocally verified, showing that the multi - solution problem is well resolved

    將該分析技術應用於cn工區某一儲層的含油氣性預測中,然後利用波阻抗反演結果對研究成果進行相互驗證,發現綜合分析結果有效地減少了預測目標的多解性,取得了較為理想的預測效果。
  5. Used regulations method calculating, analyzing and comparing the lightning protection performance with field data for the line firstly, . then put forward more reasonable model ( distributing parameter model ) to calculate the surge impedance of tower combining the existing model and validate by emtp, furthermore studied the striking distance factor based on electromagnetism

    首先利用規程法對線路的耐雷性能進行計算、分析,並與現場數據比較;同時結合目前對桿塔波阻抗的研究方法,提出一種更合理的桿塔波阻抗計算模型?桿塔分佈參數模型,並利用emtp進行模擬計算和驗證。
  6. New method for determination the environmental waste water was established by bulk acoustic wave impedance analysis technique, which is based on the inhibition of antibiotics to the growth of bacteria. the proposed method was applied to monitor the environmental wastewater

    採用聲波阻抗分析技術,基於某些生素類藥物對微生物生長的抑制作用,建立了測定廢水污染程度的生物學新分析方法,並用於環境廢水污染程度的監測。
  7. Finally, the method of estimating power customer emission level based on binary linear regression is put forward, which make it a condition that harmonic emission is steady at the point of common coupling. combined with power system thevenin equivalent and customer norton equivalent, according to the principle of least squares method, the voltage that a customer ' s harmonic current begets at the point of common coupling can be estimated in the light of the plural correlation of network parameters

    最後,提出了基於二元線性回歸的用戶諧發射水平估計方法,該方法在假設公共聯接點諧發射穩定的情況下,結合系統側戴維南等值與用戶側諾頓等值的電路圖,按照最小二乘法原理,利用電網各參數的復數關系推導關于系統側諧波阻抗的二元線性回歸方程,並根據諧波阻抗的估計值求取用戶諧電流在公共聯四川大學碩士學位論文( 2003 )接點產生的電壓降。
  8. 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? ? 「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,只能對基周期的整數倍窗口采樣信號進行分析,畸變信號在一個基周期內的變化隨采樣窗口增大而被弱化,並且,諧次數越高,解析度就越低,大大限制了諧波阻抗估計的準確性的提高。
  9. The harmonic impedance is very important to harmonic power flow and analysis of harmonic at pcc

    波阻抗對于進行諧潮流計算和分析pcc處的諧是至關重要的。
  10. Moreover, the higher harmonic order is, the lower distinguishability, and, as a result, the assessment accuracy becomes bad. considered its prominent localization both in time - domain and in frequency - domain, wavelet is used to the field of assessing harmonic impedance for the first time. we choose chaari wavelet because of its special band frequency characteristic, which can stratify signals synchronously and locate the distortion time precisely in assessing harmonic impedance

    選取chaari小為母小,利用其特殊的帶通特性,對在公共連接點( pcc )采樣得到的電壓,電流畸變形進行同步分層, 「突出」信號的畸變部分,提高了被分析信號的「信噪比」 ,以利於諧波阻抗估計準確度的提高。
  11. The elliptical polarized wave and two types of wave impedance in the near field of current sources of an electric and a magnetic hertz dipoles combination

    一赫芝電偶極加上一赫芝磁偶極在近場之橢圓極向與兩種波阻抗
  12. First, basing on carefully post - processing and correcting seismic data, inverse the wave impendance and physical parameters of reservoir, making the researches of seismic attributes are made, then, the relationship between seismic attributes and oil - gas parameter are used to make regression analysis and calculating physical character parameter of reservoirs and oil - gas. basing on avo attributes analysis of known well, the correlation of avo attributes and oil - gas can be applicated in whole area

    首先對地震資料進行精細疊后處理及統一校正,在此基礎上進行波阻抗反演、物性參數反演、地震屬性的研究,並利用油氣參數與地震屬性之間的關系進行回歸分析,計算油氣及儲層的物性參數;從已知井處的avo屬性處理及分析入手,研究avo與油氣的關系並應用於整個研究區;計算出剖面的吸收系數並研究其與儲層分佈和油氣之間的關系。
  13. Acoustic impedance blending inversion based on bp and ga algorithm

    網路和遺傳演算法的波阻抗混合反演
  14. As a whole, the result of wave impedances mixed inversion based on genetic algorithms is more satisfactory than that of linear inversion

    總體上,基於遺傳演算法的波阻抗混合反演的結果是令人滿意的,優于僅採用線性反演的反演結果。
  15. The model considers peak value of lightning current, tower grounding resistance, tower style, line surge impedance, power frequency voltage and distance between towers

    模型中考慮了雷電流幅值、桿塔沖擊接地電、桿塔具體形狀、尺寸、桿塔波阻抗、工頻電壓及檔距等因素的影響。
  16. The key of calculating fractal dimension and lyapunov exponents is to establish a good phase space. moreover, catastrophe parameter is an important feature of nonlinear time series. methods of calculating fractal dimension, lyapunov exponents and catastrophe parameter from seismic trace are exhausted

    4 、 lyapunov指數混沌控制波阻抗反演的優化方法:從地震信號中反演出地下多層介質的波阻抗,以此判斷介質和含流體性質,是地球物理的難點和重點。
  17. The methods were realized directly inversion of the possion ' s ratio from cdp gather and gas - bearing identify. by applied the late theory of avo technology, after inputting the p wave section and s wave section, the p wave and s wave impedance were obtained by applying simulate anneal inversion and used the log as a constrain condition, eventually, obtain the elastic parameter u and x by p and s impedance. then, the gas - bearing will be identified by u and x. by applying this method, the avo combination inversion of prestack and post were realized

    利用上述的反演方法實現了泊松比從道集的直接反演,利用加權疊加技術實現了含油氣的識別,並利用當今avo研究的最新成果,以加權疊加技術分離出的p和s剖面作為輸入,在測井的約束下,採用模擬退火方法分別進行p和s波阻抗反演,通過p和s波阻抗來求取彈性參數和,再通過和的聯合解釋來進行含油氣的判別,實現了avo的疊前疊后的聯合反演。
  18. The actual data processing indicates that 1 ) compared to conventional wave impedance inversion, the method can improve the resolution of seismic data inversion, 2 ) the fault position in coherent slices of original data and coherent slices of wave impedance are coincide with that in structure maps, but the latter can provide a better criteria for fault interpretation than the former

    實際資料應用表明:與常規杭反演相比,該方法可以提高地震資料反演的解析度:原始地震數據相干體切片和相干體切片的斷層位置均與構造圖的斷層位置一致,與原始地震數據相干體切片相比,波阻抗相干體切片可為斷層解釋提供更好的依據。
  19. The planeness and integrality of the flier - plate were ensured effectively by exerting restrictive pressure, controlling heating and cooling rate, lowering welding temperature or reducing welding time as much as possible, etc. theoretical model of creating quasi - isentropic compression via 93w - ofc - tc4 - a1 - mb2 system flier - plate with graded wave impedance was established, and numerical simulation of the impact process was then carried out

    採取施加外部機械力、控制升降溫速率以及盡量降低焊接溫度或減少焊接時間(防止脆性金屬間化合物的過度增長)等措施,確保了焊接接頭的平整性和界面結構的完整性。建立起梯度飛片擊靶的理論模型,對93w - ofc - tc _ 4 - al - mb _ 2系波阻抗梯度飛片的擊靶過程進行了數值模擬計算。
  20. The method for impedance inversion of time - lapse seismic data

    時移地震波阻抗反演方法研究
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