阻抗平衡 的英文怎麼說

中文拼音 [kàngpínghéng]
阻抗平衡 英文
impedance balance
  • : 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...
  • : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
  • : Ⅰ名詞1 (秤桿) the graduated arm of a steelyard2 (稱重量的器具) weighing apparatus3 (姓氏) a...
  • 阻抗 : [電學] impedance
  1. 300 75 balun for fm and tv broadcast receiver

    調頻電視廣播接收機用300 75-不變換器
  2. In the models, the iron core nonlinearly of the traction transformer and the magnetic hysteresis effect without the b - h curve are considered. having tested by digital simulation, the winding parameter has not changed in the state of external fault or magnetizing inrush etc. but the winding parameter has obviously changed in state of inter fault or inter - turn fault. ( 3 ) the rules three phases converted to two phases of traction transformer in electric railways are developed in this paper

    ( 3 )利用牽引變壓器磁鏈方程,建立了基於系統辨識理論的雙繞組單相接線牽引變壓器、匹配牽引變壓器及scott (斯科特)接線牽引變壓器的「灰箱」模型,該模型考慮了牽引變壓器鐵芯非線性和磁滯效應,但又不直接反映在模型中,並且無需鐵芯的b - h曲線數據。
  3. In consideration of the soil arch effect between anti - slide piles, a calculation formula for the anti - slide pile spacing was developed, taking the following factors as the controlling conditions - the static equilibrium equation of the frictional resistance and adhesive force between the side of piles and slope soil, which sustains the thrusting force of the landside, and the strength conditions at the medial cross - section and two end sections of soil arch

    摘要考慮滑樁樁間土拱效應,以樁側與邊坡土體間的摩力及黏著力承擔滑坡推力的靜力條件和土拱跨中與拱腳處截面的強度條件共同控制,建立了樁間距的計算公式。
  4. The negative sequence current of impedance - matching balance transformer

    匹配變壓器的負序電流
  5. Impedance - matching balanced traction transformers ( balanced transformers in this paper for short ) are step - down transformers, they transfer symmetrical three phase voltage in primary side to perpendicular two phase voltage in secondary side. they are different from any other transformers, so their short - circuit current analysis and short - circuit test method must be taken into special account

    匹配牽引變壓器(本文中簡稱變壓器)是一種將一次側三相對稱電壓變換為二次側二相垂直電壓的降壓變壓器,它不同於已有的任何一種變壓器,短路電流的分析計算和短路試驗必須予以重新研究。
  6. Arbuscular mycorrhiza can improve the ability of resisting drought from several aspects : hyphal enhances plants ' chances of absorbing water from soil ; it can improve plants ' phosphorus and another minerals ' nutrition, increase the content of chlorophyll ; observably enhance transpiration and stoma conduction ; reduce the flow of water, permanent languish point, stoma resistance ; change the balance of hormone, promote accumulation plant proline and capability of nitric reductive enzyme

    叢枝菌根真菌可以通過以下幾個方面增強植物旱性:通過菌絲增加植物對土壤水分的吸收;改善植物的磷營養及其他礦質元素營養;能顯著提高蒸騰速率和氣孔導度;乾旱條件下降低植株葉片水勢、永久凋萎點、葉片飽和虧、氣孔力和恢復時間;改變激素
  7. As a result, this paper gives a corresponding harmonic prevent me asure. finally, according to the asymmetrical characteristics of electrical traction loads, this paper studies the negative sequence currents under different loads and makes a piece of advice for reducing the negative sequence currents produced

    最後,還根據電力牽引負荷三相不對稱的特點,分析了匹配變壓器在不同負荷條件下的負序電流,對如何減小電力牽引負荷的負序電流提出了一點建議。
  8. Abstract : from the equilibrium and continuity conditions of wave impedance boundary of stress wave and velocity, wave, the paper derives the expressions of reflection coefficient and transmission coefficient of stress wave and velocity wave, further, discusses the characteristics of f - v curves at different impedance ratio, and analyzes the application of these characteristics to ascertain the defects of pile and soil resistance distribution around pile by practical engineering examples

    文摘:該文從力波及速度波在波界面的及連續條件,推導了力波、速度波的反射系數、透射系數表達式,進而討論在不同比時的f ? v曲線特徵,並引用幾個工程實例對應用這些特徵判定樁身缺陷及樁周土的力分佈進行了分析。
  9. 2 route balance, no balance input, input impedance600

    2路輸入,輸入600
  10. Filters, couplers and baluns are fabricated in the high frequency passive device integration regions

    濾波器、耦合器和轉換器系製造在高頻被動元件整合區域內。
  11. Because the harmonics in tangyin substation are primarily from electric traction loads, this paper gives the structures of several main locomotive models and general harmonics they produce. the harmonics produced by electric locomotive have a characteristic that their range and phase are both dispersive. this paper also analyzes the impedance - matching balance transformer ' s structure and harmonics injected into the power system at its primary side, and sums up the characteristics of the harmonics from electric traction loads in the tangyin traction substation

    鑒于湯陰變電站的諧波主要來自電力牽引負荷,本文列舉了電力機車幾種主要車型的結構以及它們產生諧波的概況,得出了電力機車的各次諧波電流幅值和相角具有較大分散性的特點。針對湯陰牽引變電站的牽引變壓器,分析了匹配變壓器的結構及其高壓側注入電網的諧波,推導了有關計算公式。通過理論分析並結合湯牽線的實測諧波數據,歸納了電力牽引負荷注入湯陰變電站的諧波的特點。
  12. Thus the resistance factor and vibration modes of the soil layer are obtained and used to analysis the pile response. by considering the interaction between the soil layer and the pile with boundary condition of continuity of displacement and equilibrium of force at the interface of soil layer and pile, the dynamic equilibrium equation of pile is solved and an analytical solution for the pile response in frequency domain is yielded, which is used to define complex stiffness and mobility at the level of the pile head. based on the convolution theorem and inverse fourier transform, a semi - analytical solution of velocity response in time - domain subjected to a semi - sine exciting force is given

    首先通過引入勢函數方法對土體位移進行分解,從而將土體動力方程解耦,求解得到了土層的振動模態和因子,然後利用該解以小應變條件下樁土接觸面上力和位移連續條件來考慮樁土耦合作用,求解樁的動力方程,得到了樁頂的頻域響應解析解、復剛度和速度導納,利用卷積定理和傅里葉逆變換,求得了半正弦脈沖激振力作用下樁頂速度時域響應半解析解。
  13. The transient simulation model of impedance - matched balancing transformers is established. the effect of transient model and equivalent circuit in calculation of steady short circuit current are compared

    摘要建立了匹配變壓器的暫態模擬模型,比較了暫態模型和等值電路在計算穩態短路電流中的效果。
  14. Site partial discharge amp; amp; induction voltage endurance test method for yna impedance - matching and balanced - traction transformer

    匹配牽引變壓器現場局部放電和感應耐壓試驗方法
  15. Recurring to rnathematic figure and examples and aiming at such questions as unbalanced current and induced voltage and high frequency interference, this paper has not only researched anti - jamming ability and measuring process of both three - electrode method and four - electrode method which are combined with reverse phase method, but also summarized actual measuring experiences

    通過數學推導和實例,圍繞消除地網不電流、電壓極電流極引線問互感電壓、高頻干擾等問題,分析了三極法、四極法結合倒相法測量接地電干擾能力和測量過程,並總結了實際測試經驗。
  16. This test checks for proper connection, impedance balance between the phases and minor or impending short circuits in the windings

    對于連接是否恰當、相位之間是否和線圈繞組里的緊急短促小電流,也進行全面的檢測。
  17. Conventional hybrids used in all existing phone patches can provide good balance at only one frequency into a complex impedance such as telephone line

    傳統的混合線路採用所有現行的電話臨時線路技術,只能做到單一頻率的良好進入如電話線的復數中。
  18. It also has a low impedance, which assures that the typical unbalanced output impedance is between 100 and 1000 ohms

    同時它的低可以確保典型的非輸出保持在100到1 , 000歐姆之間。
  19. On the other hand, the expression is repressed by the proto - oncogenes n - myc and c - myc, and in some cases the expression is also repressed by testosterone or dihydrotestosterone ( androgen ) at mrna level infering from all the references that can be obtained, the functions of ndrg family may be involved in cellular differentiation events > maintaining the balance of cell redox potential ( in oxidative stress condition or biological conversion process ), or counteracting cell malignant transformation, and so on

    綜合己有的文獻,推測ndrg家族可能參與細胞生長分化、維持細胞氧化還原電勢(氧化應激或生物轉化) 、止腫瘤細胞惡化等。因此,研究其在細胞中的具體功能以及可能的信號通路將具有非常重要的意義。深人研究ndrgz在體內的組織細胞和亞細胞水分佈特點及其功能,需要高效價和高特異性的ndrgz體。
  20. Study of relations between performances of products and impedance - mathching coefficient of balance transformers

    變壓器匹配系數與產品性能關系研究
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