自阻抗 的英文怎麼說

中文拼音 [kàng]
自阻抗 英文
self impedance
  • : Ⅰ代詞(自己) self; oneself; one s own Ⅱ副詞(自然;當然) certainly; of course; naturally; willin...
  • : 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;提出以三繞組耦變壓器的電流、電壓、功率為輸入量,導出了耦變壓器繞組的電、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 general graphical user interface based on object - oriented technique, database and visualization in scientific computing has been conducted. we can draw electrical components of the distribution network and fill the components data easily. background programs analyze topology automatically and constitute node admittance matrix, node impedance matrix

    它使用圖形元件直接繪成系統接線圖,在屏幕上輸入元件參數,后臺程序動進行網路拓撲分析,然後基於稀疏技術,利用支路掃描法形成節點導納陣,連續回代法形成節點陣。
  3. To facilitate supervision and management of food production and circulation, rapid methods for detection of foodborne pathgens, such as improvement and automatization of conventional methods, bioluminescent method, cytometry, impedancemetry and immunological methods were reviewed

    為方便對食品生產和流通的整個過程進行衛生監督和管理,就常規方法的改進和動化、生物發光方法、細胞計數方法、測定方法和免疫學方法等食品中微生物的快速檢測方法進行了綜述。
  4. 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,角與電流超前角的合理選擇以及連續轉子位置的估計等。
  5. The corrosion behavior of nanocrystalline ( nc ) copper bulks with various grain sizes prepared from igc ( inert gas condemsation ) and vacuum annealing in comparison with conventional microcrystalline ( mc ) copper ( as - rolled and electrolytic ) in acid copper sulphate solution and neutral solution containing chlorides under free corrosion conditions and anodic polarizations has been studied using potentiodynamic polarization, potentiometric analysis, cyclic voltammetry and electrochemical impedance spectroscopy. x - ray diffraction was used to estimate the grain size of the annealed nc copper. field emission gun scanning electron microscopy and x - ray energy - dispersive spectroscopy was used to characterize the surface morphology and analyze the surface composition after the polarization and potentiometric test of both nc and mc copper

    本文研究了用igc (惰性氣體蒸發凝聚原位溫壓法)制備並真空退火到不同晶粒尺寸的納米晶銅和微米晶銅(冷軋紫銅、電解銅)在酸性硫酸銅溶液和中性含氯溶液中,在腐蝕狀態和陽極極化狀態下的腐蝕性能。使用了動電勢極化、電位測定、循環伏安法( cv )和電化學譜( eis )等方法。 x -射線衍射( xrd )的方法用來估算納米晶銅晶粒尺寸。
  6. Finally this paper propose the structure diagram of adaptive distance protection based on neural network impedance relay, which describes entire logic procedure from data acquisition unit to trip unit

    最後提出基於神經網路繼電器的適應距離保護結構框圖,描述從信號採集單元到動作出口單元的整個邏輯過程,並對適應距離保護的前景作出展望。
  7. There are many methods for measuring impedance and commercial lcr meters may have very different working principles. it is more advisable that customers submit their impedance standards for calibration, which in turn can be used to perform in - house checking of their lcr meters. however, the laboratory may offer performance checks for lcr meters using impedance standards

    測量的方法有多種,故此市面上的電感電容電計或有截然不同的操作原理,一種比較適當的做法是客戶將其標準器送來本所校正,然後客戶可利用這些已校正的標準器替己的電感電容電計進行測試。
  8. Second, we compute the self - impedance through cavity modal theory and mutual impendance based on reaction theory respectively. then the generalized impedance matrix that reflects the effect of mutual coupling is formed. at last, the effect of mutual coupli ng on 2 - d doa estimation algorithms is investigated and two efficient methods of mutual coupling compensation are proposed

    本文首先對兩種二維doa估計演算法? ssm法和二維酉esprit法的性能進行了比較,用空域平滑演算法解決了相干源的二維doa估計;其次運用腔模理論計算微帶天線的自阻抗,用反應原理計算微帶天線間的互,進而形成計入互耦影響的廣義矩陣;討論了互耦對二維doa估計的影響,提出了兩種互耦補償的方法。
  9. Manufacturer of high voltage resistors, power and precision resistors, high voltage dividers, hybrid circuits, resistor networks, pressure and force sensors and load cells

    -生產ai - 6000干擾精密介質損耗測量儀,氧化鋅避雷器測試儀,地網接地電測試儀,油介損電率測量儀。
  10. The mutual coupling between elements is expressed in terms of the normalized impedance matrix of the uniform linear array, the concise expressions for the optimized weight of the lms algorithm and the signal - to - interference - plus - noise ratio are given. the effect of mutual coupling on the performance of the sinr is illustrated with two examples, a method for compensating the mutual coupling is present, the compensation effect of this method is verified by example

    用譜分析法,把陣元問的互耦用陣列的歸一化矩陣來描述,推導了均勻線陣的最佳權矢量及信號干擾噪聲比的表達式,模擬計算了互耦對適應天線陣列的信號干擾噪聲比的影響,給出了一種校正互耦的方法,數值模擬了校正的效果。
  11. Citric acid, taking the place of hno3, solutes the substance which does not solute in solution, and it acts as the ligand of metallic ionic and the hydrolysis catalyst of si ( oc2h5 ) 4, which reduces the pollution caused by no2 which forms at the decompose process of the hot treatment. by changing the means of calcine of the drier gel, choosing the suitable temperature to burn the gel, the high temperature calcine time is shorted, which solves the question of the long period calcine. so the preparation process of the matrix and composite was finished by using more lower temperature than the traditional solid state reaction and more shorter time than the traditional sol - gel process

    結果使基質和復合物的制備在比傳統的固相反應法低得多的溫度下和比常規的溶膠凝膠法短得多的時間里完成;五、對基質及復合物的干凝膠、粉體和燒結體進行了ir 、 dta 、 xrd 、 seni及交流譜表徵,研究結果表明:在溶膠向凝膠的轉化過程中同時存在著正硅酸乙酯身的聚合作用和檸檬酸鹽絡合物之間的聚合作用:干凝膠向產物粉體的轉化在400600c之間進行;基質li 。
  12. An adaptive impedance matching system model for power line communication system

    電力線載波通信中的適應匹配系統模型
  13. The basic principle, main properties, typical parameters, technical characteristics and general situation of klystron are introduced. the electron beam prebunching in the modulated cavity and shift tube of relativistic klystron amplifer ( rka ) is studied analytically, a self - consistent equation of radiation generated by the prebunched electron beam in the radiation cavity is derived using the field method of particle ? wave interaction instead of the electrical circuit method, and in terms of it, the gain in the linear regime calculated, a field analysis method is proposed. the theory analysis shows that the characteristic parameters, such as resonance frequency, real part of gap - impedance, external quality fadtor in all kinds of klystron output circuits including single - beam, multi - beam, single - gap, multi - gap, single - beammulti - gap, multi - beam multi - gap klystron output circuit, can be calculated by the field analysis method

    本文系統的介紹了速調管的工作原理、主要特點、發展概況、主要性能指標和技術特點,解析的研究了電子束在相對論速調管放大器的調制腔和漂移管中的預群聚;用粒子波互作用的場方法導出了在輻射腔中預群聚電子束產生輻射的洽方程,同時對線性區的增益進行了計算。理論分析表明,場分析法可用於計算單注單間隙、多注多間隙、單注多間隙和多注多間隙速調管輸出迴路的諧振頻率、間隙實部和外觀品質因數等特性參數。
  14. The input impedance of the interdigital saw transducer is measured by the equivalent circuit method. the experimental results show that the synchronized frequency of 9. 586 mhz, the acoustic radiation resistance of 44. 6 and the static electrode capacity of 194pf all agree with those design values

    行設計的等效電路測量方案,測量了表面彈性波馬達換能器的輸入,實驗結果顯示表面彈性波換能器的共振頻率為9 . 586mhz ,輻射聲電為44 . 6 ,叉指電極靜電容為194pf 。
  15. The pt secondary loop voltage drop is a changing amount and has the characteristics of indirection and certain randomness. the second, according to the cause of pt secondary loop voltage drop, the different methods to reduce the pt secondary loop voltage drop were analyzed and the conclusions are draw as below : 1. changing bigger section wire and maintaining the connector plugs regularly can reduce the pt secondary loop voltage drop effectively, but ca n ' t guarantee which meets the relevant rules

    首先,通過對電壓互感器二次壓降的形成機理進行分析,得出以下關於二次壓降的相關結論: 1 、電壓互感器二次壓降等於二次迴路和迴路電流的乘積; 2 、電壓互感器二次迴路分為元器件和接觸兩部分,且接觸佔主要部分,從而使得電壓互感器二次迴路具有動態特性,而且具有一定的隨機性; 3 、電壓互感器二次迴路電流與二次負荷和迴路大小相關,因而二次迴路電流也是變化的; 4 、電壓互感器二次壓降是一個變化量,且具有單向性和一定的隨機性。
  16. However it may be resisted by the innovator, innovative target and surroundings etc. the accomplishment of education innovation needs innumerable conditions ( namely the required innovational conditions ). in reality, the conditions are not idealized enough to the innovation. some of the conditions may be helpful to the innovation, while some are resistant elements which can be divided into agent, management, target, client and environment included social factors ( such as politics, economics, culture and population ) and natural factors ( geographical environment )

    因素與改革活動之關系,有人將分為五大類型,而每一類又有若干子因索:改革代理人(昭ent )囚素;改革管理因素;改革對象o呷et )囚累;改革當事人( client )囚索;改單的環境囚索,又分社會因素(如政治、經濟、文化和人口)和然囚索(如地理環境) 。
  17. The corrosion inhibition effect of molybdate inhibitor in tap water on 20a carbon steel has been studied with electrochemical polarization curve and impedance test

    為此,通過電化學極化曲線與交流實驗,研究了鉬酸鹽系列緩蝕劑在來水中對20a碳鋼的緩蝕情況。
  18. The charge and discharge performances of different composites were studied by the charge and discharge ; the structures of composites were characterized by sem ; the electrochemical properties of sulfur positive materials were characterized by cyclic voltammetry and eis. we studied the charge process, discharge process, charge - discharge efficiency, self heat, and self - discharge of lithium - sulfur system on system shuttle constant, conduct the mechanism of these processes and simply analyse them

    以充放電技術研究了不同類別復合正極的充放電性能;以掃描電鏡技術觀測了復合正極的表面形貌;以循環伏安技術和交流技術研究了復合正極電極的電化學性能;並初步探討了鋰-硫電池體系中充電過程、放電過程、充放電效率、熱和放電等對體系飛梭常數的影響,推導了這些過程的機理並簡要的進行了分析。
  19. It is convenient to adjust the circuit and easy to acquire sensitive signal by using this method, and there is not the impedance mismatching problem met in bridge - based self - sensing circuit

    該方法使得感知電路的調節和感知信號的獲取變得容易,克服了電橋法感知電路不易匹配的不足。
  20. In non - selfsustained discharge the excitation and ionization processes can be controlled separately, which is useful to optimize the e / p value of the discharge. the ballast resistance can be leaved out and the maximal electro - optical efficiency reaches 19 %

    持放電使激光器的激發和電離過程分開,有利於使二者分別處于各的最佳e p值附近,放電的正特性使放電電路可以省去限流電,極大地提高激光器的實際效率。
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