相位中心 的英文怎麼說

中文拼音 [xiāngwèizhōngxīn]
相位中心 英文
phase center
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 位 : Ⅰ名詞1 （所在或所佔的地方） place; location 2 （職位; 地位） position; post; status 3 （特指皇帝...
  • 相位 : phase position; phase
  1. Because bai minority ' s economy was affected deeply by the mainland ' s han culture, cultivated the opened self - conscious national spirits for a long time ; been good at studying, imitating and innovating, furthermore had the national character and morals that looked up the wise, so it brought the advanced economic conformation whether in the ancientry or latter - day, speeded up the development of productivity, maked the dali bai minority situated the center station of the regional economic development, had the ability of deciding and imposing on the economic changes and economic relations that circumjacent nation area, historically introjected the extensive circulation of chinese economic development, and became a part of chinese economy

    白族經濟始終與白族發展歷史相伴生，歷史傳承下來的大量富有白族經濟特徵的民族經濟現象，至今仍然客觀真實地存在。由於深受中原漢文化的影響，使白族經濟在古代和近代，產生了先進的經濟形態，促進了生產力的發展，使大理白族經濟處于地區經濟發展的中心地位，具有決定和影響周邊民族地區的經濟變化與經濟關系的能力，歷史地融入中華民族經濟發展的大循環圈，成為中華民族經濟的一個組成部分。社會主義市場經濟體制的確立，對民族經濟的發展研究提出了嶄新的課題。
  2. We also analyzed the relation between the precipitation for meiyu and the summerly precipitation in sichuan, the areas in southeast china along sea. the main results show as following : 1. the correlation between the precipitation total for meiyu and the summerly precipitation in the east of nw china are negative. in the years of much precipitation total for meiyu, the center of anticorrelation lies in tianshui ; and in the years of less precipitation total for meiyu, the center of nagative correlation extends northwestwards from tianshui

    主要結果歸納如下： 1梅雨量與西北地區東部夏季降水量之間存在反相關。即梅雨量特多的年份，西北地區東部夏季乾旱；反相關的中心位於甘肅省中部地區的天水附近。梅雨量特少年份，西北地區東部夏季降水偏多；反相關中心位置從天水向西北方向推移。
  3. In addition to the conventional techniques such as low sidelobe antennas and displaced phased center antenna ( dpca ), there has been great interest in space - time adaptive processing ( stap ) because it can suppress clutter effectively and improve the detection performance of airborne phased array radar evidently

    除了採用低副瓣天線、偏置天線相位中心（ dpca ）等傳統雜波抑制技術，能夠有效提高機載相控陣雷達地雜波抑制能力和動目標檢測性能的空時二維自適應處理（ stap ）受到了廣泛關注。
  4. A study on synthetic aperture sonar movement compensation based on displaced phase center algorithm

    基於位移相位中心演算法的合成孔徑聲納運動補償研究
  5. Phase center error : 2 rotation antenna s phase center error 4mm

    相位中心： 2旋轉天線相位中心誤差4mm 3
  6. Phase center error : 2 rotation antenna s phase center error 2mm

    相位中心： 2旋轉天線相位中心誤差2mm 3
  7. Moreover, the fish antenna is often used in the detection system. the variable phase center of the antenna is calculated which contain vertical polarization and horizontal polarization

    另外，本文對在偵收站中常用的魚骨天線在水平極化和垂直極化兩種狀態下的可變相位中心作了深入地研究。
  8. The circular monopole ultra - wideband antenna has not only the extremely wide band in frequency domain, but also stable phase center, which makes the antenna radiate and receive the short pulse signals without any distortion, and suitable for various ultra - wideband communication systems or the single antenna of other multi - frequency operating communication systems

    這種天線不僅具有極寬的阻抗帶寬，還擁有穩定的相位中心。這使得圓盤單極超寬帶天線可以不失真地收發時域短脈沖信號。所以該天線不僅適用於超寬帶通信中，還能夠作為復雜多頻工作系統的單一收發天線。
  9. The mathematical expression, which is used to calculate the variable phase center based on the mom, is derived first in the paper. it is proved that the variable phase center of the lpda is not superposition in the e - plane and the h - plane

    文中採用矩量法，首次導出了基於矩量法多分段計算可變相位中心的表達式，證明了偵測合一系統中常用的對數周期偶子天線（ lpda ）在e面和h面的可變相位中心不重合。
  10. Porphyrins and metalloporphyrins are recognized as perfect host for molecular recognition owing to their diversity, their rigid molecular structures, the position and direction of the substituents on the porphyrin ring being controllable, as well as the variety of metal ligands of the metalloporphyrins

    卟啉及其金屬配合物種類多，分子具有剛性結構，卟啉環上取代基的位置和方向可加以控制，且其軸向配體周圍的空間大小和相互作用的方向可通過改變配位中心金屬加以調節，因而是理想的分子識別受體。
  11. Firstly, the differences between the ultra - wideband antenna and conventional wideband antenna are introduced in this thesis, and the definitions of several performance parameters of the ultra - wideband antenna are presented, among which the phase center and the group delay time are primarily discussed in that they describe the time domain properties of the antenna

    首先，簡要介紹了超寬帶天線與傳統超寬帶天線的區別，給出了超寬帶天線的性能參數在時域的描述方法。著重介紹了描述超寬帶天線時域特性的兩個參數，即相位中心和群延時。
  12. According to the characteristics of the high precise gps deformation monitoring, basing on the first period observation results of the monitoring network, the similar single - difference model of solving gps monitor point deformation information at single epoch is built, and the receivers ' antenna phase center offsets are discussed

    摘要根據高精度gps變形監測的特點，以監測網的首期觀測成果為基礎，建立了單歷元解算監測點變形量的似單差模型，討論了接收機天線相位中心偏差的改正方法。
  13. In field gps work, errors of receiver ' s antenna phase center and instrument height measurement are inevitable, so in this paper the influence of the error of instrument height measurement on planar coordinates is studied and it is proved theoretically that the influence of the error of instrument height measurement on planar coordinates can be neglected ; 3

    在gps實際作業中，接收機天線相位中心偏差和儀器高的量測誤差都是不可避免的。基於此原因，本文研究了儀器高量測誤差對平面坐標的影響，並從理論上證明了儀器高量測誤差對平面坐標的影響可忽略不計； 3
  14. The result demonstrates that the variable phase center of fish antenna is much more steady than the lpda in the main beam

    計算結果表明魚骨天線在主波束相當寬的范圍內，其可變相位中心的穩定度要優于對數周期偶極子天線。
  15. Design of microstrip antenna with stable phase center

    一種相位中心穩定的微帶天線設計
  16. This paper is worked to solve the phase center of the directional antenna, accordingly to giving some references for the interception and direction - finding system

    本文是為了解決定向天線的相位中心問題，為偵測合一系統設計提供參考而展開研究的。
  17. In the interception and direction - finding system, the phase center of the antenna is very important to the direction - finding, however, the phase center of directional antenna is few studied in the home and overseas

    在偵測合一系統中，天線系統的相位中心對于系統測向有著至關重要的作用，但是目前國內外對于定向天線的相位中心研究的非常少。
  18. 4. the motion compensation problem, which is one of the important problems in synthetic aperture radar is discussed in this paper, the method to install three accelerometers in the center of the antenna is discussed in detail

    （四）討論sar運動補償的問題，這是合成孔徑雷達研究中的一個主要問題，本文主要論證了將三個加速度計安裝于天線相位中心處的方案。
  19. In this paper, the variable phase center is calculated in the full space for the first time. the condition under which a linear array has a variable phase center in the full space is derived in the paper. it is concluded that the non - similar array has not variable phase center in the full space, but it has variable phase center in the e - plane and h - plane independently

    本文首次將相位中心擴展到全空間中進行計算，導出了直線陣列在全空間中存在可變相位中心的條件，得出了由非相似單元組成的線陣列在全空間並非處處存在可變相位中心，但在e面和h面獨立存在各自的可變相位中心這一重要結論。
  20. As a result, the ultra - wideband antenna must be able to radiate and receive the short pulse signals without distortion, in other words, the ultra - wideband antenna has to own several octave impedance bandwidth or more, and stable phase center, which enables the ultra - wideband antenna to transmit and receive short pulse signals without distortion

    這就要求超寬帶天線具有輻射和接收時域短脈沖信號的能力，即擁有幾個甚至十幾個倍頻程的阻抗帶寬，同時天線應具有穩定的相位中心以保證不失真地收發短脈沖信號。
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