ground coupling 中文意思是什麼

ground coupling 解釋
地面耦合
  • ground : adj 碾碎了的，磨過的，磨成粉的。 ground and polished piston 【機械工程】研磨活塞。n 1 地，地面；...
  • coupling : n. 聯結；交尾；【機械工程】管箍；聯結器；軸接；（火車的）車鉤，【電學】耦合。
  1. To prove the result, we simulate the coupling currents of the ground screen with supernec, and analyze the effects of coupling currents on pattern in quantity

    為此我們使用supernec電磁模擬軟體計算出了地網的耦合電流，驗證了這一結論。
  2. The ground screen is utilized to obtain enhanced mirror affect, yet due to the disequilibrium of the electricity feeding, the coupling loses balance, which results in a shift of zero point of the vertical pattern

    地網的作用是使地面能夠起到更好的鏡像作用，但是由於線性陣列相對于地網結構而言饋電不均衡，導致了耦合的不均衡，結果是使得線性陣列的垂直面方向圖零點產生了偏移。
  3. Weak - coupling ground state phase diagram of the one - dimensional extended hubbard model

    弱耦合一維擴展赫伯特模型的基態相圖
  4. While carrying out the scheme, at first, the basic theory of antenna, array antenna and electromagnetic absorption, the performance parameter of antenna and parabolic antenna are deeply researched. in conformity, the characteristic and calculation of aperture field and near - to - far - field transformation for radiation pattern are detailed analyzed. second, the factors such as, the amount of the antenna elements, mutual coupling between each element, ground and the buildings on earth ' s surface, which affect the performance of array antennas ’ resultant field are stressed discussed

    在系統實現過程中，課題首先從天線、陣列天線，以及電磁場計算方法的基本理論著手，分析了天線與拋物面天線的各項性能參數，以及天線的口面場和近-遠區輻射場的特點和計算;進而，更加深入的討論和研究影響天線陣列合成場強的各項因素，包括系統所使用的天線單元個數對陣列合成場的影響、天線單元之間由於互耦造成的影響、傳播過程中地面和/或地面建築物的影響等。
  5. Wireless induction communication method is based on electromagnetic induction principle, using the electromagnetic coupling to transmit data between the train and ground. this communication system can cover a long rail and it is easy to maintain and fix

    無線感應通信是基於電磁感應原理，利用電磁耦合完成車輛與地面雙向數據傳輸的一種通信方式，具有傳輸損耗小、覆蓋線路長、架設方便、易於維護等優點。
  6. The basic principles still apply : ground impedance must be as low as possible, high level and low level signals must be separated so that they do not interfere with each other, and capacitance and mutual inductance coupling must be avoided

    前文提到的原理仍然適用：地線阻抗要盡量小，大功率信號和微弱信號要分開布置以避免串擾，一定要避免電容性耦合和電場耦合。
  7. The coupling originates from spontaneous emission of the probe transition and the spontaneous transfer of excited state coherence to ground state coherence

    一個是探測躍遷的自發輻射，產生的耦合具有相同的符號，此時原子相干表現為抑制吸收。
  8. 1 ) the ground clutter is very strong when radar works in its down - look mode. 2 ) the clutter has the character of space - time coupling and the clutter spectrum spreads due to the movement of platform. 3 ) the lower repeat frequency results in doppler blur and the clutter spectrum spreads in the whole doppler domain

    地面動目標檢測的最大難點： 1 ）雷達下視時地雜波特別強; 2 ）由於平臺運動，地雜波存在著空時耦合，雜波譜展寬； 3 ）為避免距離模糊，採用較低的重復頻率，但會存在多普勒模糊，地雜波譜擴散到整個多普勒域。
  9. Strict tolerance spindle, ground at both sides, for a perfect bearing coupling

    輥軸兩側有一對堅實耐磨的軸。
  10. Centrifuge model test technique preferably solves two problems : one is the gravity loss of the model soil, the other is the coupling problem between the seepage field of the ground water and the stress field of the stratum, which is a guidance for other deformation controls under the similar condition

    離心模型試驗技術較好的解決了在地下工程研究中模型土體的自重損失和地層位移分析中地下水滲流場和地層應力場相互耦合作用問題，對于在相似條件下富水地層隧道開挖施工如何控制地表沉降變形的研究方面具有指導意義。
  11. Nonlinear directional coupler ( nldc ) is a switch used in optical network. w. s. man had studied transmission controlling with ground state soliton through nldc, it is obviously not available to used in superhigh speed network ; and mary j. potasek had studied the self - coupling with ultrashort solitons in nldc, self - coupling is difficult to control the signal transmitting. i has studied the transmission controlling with ultrashort solitons ( < 100fs ) in nldc, similarly i use a controlling pulse to control the signal pulse, it is the intensity of controlling pulse to decide the signal change its direction or not

    非線性定向耦合器（ nldc ）是用在光網路中的光開關器件，它主要用在全光網路中， w . s . man等研究過基態孤子在nldc中的傳輸控制，便於對全光網路中數據的正確傳輸，由於目前研究集中在100fs的超短脈沖傳輸特性上，顯然基態孤子的特點不再適用於超高速網路； maryj . potasek等就超短脈沖在nldc中的自耦合做了研究，在光網路中自耦合任意性太大，不利於控制脈沖的傳輸。
  12. Coupling dimensions for aircraft ground air - conditioning connections

    航空用地面空調系統連接的連接件尺寸
  13. Abstract : we conduct a theoretical study on the properties of a bound polaron in a quantum well under an electric field using linear combination operator and unitary transformation methods, which are valid in the whole range of electron - lo phonon coupling. the changing relations between the ground - state energy of the bound polaron in the quantum well and the coulomb bound potential, the electric field strength, and the well width are derived. the numerical results show that the ground - state energy increases with the increase of the electric field strength and the coulomb bound potential and decreases as the well width increases

    文摘:採用線性組合算符及幺正變換方法研究了電場對量子阱弱耦合束縛極化子的性質的影響.推導出量子阱中束縛極化子的基態能量和庫侖束縛勢、電場和阱寬的變化關系.數值計算結果表明，基態能量因電場和庫侖束縛勢的不同而不同，隨電場和庫侖束縛勢的增大而增大，隨阱寬的增大而迅速減小
  14. A transverse secondary circulation is produced by the coupling of high and low jets, while the sinking branch of the secondary circulation providing the dynamic conditions for the dry intrusion air. during the period of the heavy rain process, dry intrusion descends southward along the intense constant potential temperature lines, which promotes the lower cyclone. in addition, the pouring of upper - level dry air not only decreases ground temperature behind the front but also increases surface pressure and velocity

    由於高、低空急流耦合，在高空急流中心左側產生的下沉運動和高空急流中心右側、低空急流左側產生的上升運動在鋒面上形成一次級環流，次級環流的下沉支運動為對流層高層干空氣和高位渦的下傳提供了動力條件；進一步研究發現，干侵入沿相當位溫密集帶向南向下伸展，引起對流層低層氣旋性渦度的發展；此外，高層乾冷空氣向下注入，導致地面溫度降低、氣壓升高、風速加大、低層輻合增強、上升速度加大，從而促進了新的對流運動，引起降水增強。
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