徙動 的英文怎麼說

中文拼音 [xǐdòng]
徙動 英文
migrate
  • 徙 : 動詞（遷移） move （from one place to another）
  1. The magic of migration - birdwatching @ mp boardwalk

    見證遷徙的神奇力量-米埔浮橋觀鳥活動
  2. The chobe elephant are migratory ， making seasonal movements of up to 200 kilometres from the chobe and linyanti rivers ， where they concentrate in the dry season ， to the pa in the southeast of the park ， to which they di erse in the rai

    丘比象是遷徙動物，季節性地從乾燥季節他們聚集的地方丘比和林揚堤河行程200公里來到東南平地，而在這里它們卻由於雨水而分散。
  3. Green turtles are a special group of marine reptiles and are remarkable for their migratory behaviour

    綠海龜是一種奇特的海洋爬蟲類動物，它們的遷徙行徑尤其特別。
  4. Tracking animal migrators

    追蹤遷徙動物
  5. This dissertation mainly researches the displaced phase center antenna ( dpca ) technique in the new system, and the contributions are calculated as following : 1. the doppler history is analyzed for the spaceborne bistatic sar, doppler center frequency and doppler fm rate computational methods are studied. summing up is done for the methods of moving target detection and imaging

    本文完成的主要工作有: 1 .分析慢速運動目標信號特徵以及運動目標對sar成像的影響（多普勒中心頻率，多普勒斜率以及距離徙動誤差） ，總結了目前sar運動目標檢測與成像的主要方法。
  6. Migratory animals of hong kong

    香港的遷徙動物
  7. The chobe elephant are migratory ， making seasonal movements of up to 200 kilometres from the chobe and linyanti rivers ， where they concentrate in the dry season ， to the pans in the southeast of the park ， to which they disperse in the rains

    丘比象是遷徙動物，季節性地從乾燥季節他們聚集的地方丘比和林揚堤河行程200公里來到東南平地，而在這里它們卻由於雨水而分散。
  8. A reversal could knock out power grids, hurt astronauts and satellites, widen atmospheric ozone holes, send polar auroras flashing to the equator and confuse birds, fish and migratory animals that rely on the steadiness of the magnetic field as a navigation aid

    逆轉會破壞能量網格，損害宇航員和衛星，加大臭氧層空洞，發送極光到赤道而搞亂鳥類，魚和遷徙動物，它們依靠磁場的穩定性作為導航幫助。
  9. In this thesis, focusing on the copper diffusion failure of copper interconnects in the ulsi, such as electromigration, stressmigration and copper diffusing into silicon dioxide and silicon, the microstructure and the stress of copper interconnects in ulsi have been studied systemically

    本論文從ulsi銅互連技術可靠性研究中的銅擴散失效問題出發，針對電徙動失效、應力遷移失效、層間擴散失效問題，對銅互連線的微觀結構和應力進行了研究。
  10. Through the electromigration experiment, the electromigration resistance of copper interconnection with different width was compared, its mtf and activated energy was calculated, and the failure mechanism was explored. then, difference between copper interconnection and aluminum interconnection was studied

    通過電徙動試驗，研究比較了不同寬度的銅互連線的抗電遷徙能力，計算了其中值壽命和激活能，探討了其失效機理，並與鋁互連線進行了比較。
  11. Chapter four briefly researches the principle of range migration algorithm. the relation and difference between frequency scaling algorithm and range migration algorithm are studied carefully. through the point simulation under ultra wide - band system parameters, we compare their imaging performances

    第四章簡要介紹了距離徙動演算法原理，著重分析了頻率scaling演算法和距離徙動演算法之間的聯系及區別，並通過超寬帶（ uwb ）系統參數下的點目標模擬比較了它們的性能。
  12. After analyzing the theory of mtdi and setting up the model of moving target echoes, the dissertation discusses in detail the effect of moving target doppler center frequency and doppler rate on the conventional sar image. it also analyzes detailedly the range migration of moving target from time field and frequency field and provides migration model in both fields. after that, it divides algorithms of mtdi into several classes, analyzes the influence of signal - to - noise on the detection results and gives the flow chart of moving target imaging processing

    本文的主要貢獻包括： 1 、建立了運動目標回波散射模型，深入探討了進行常規sar成像時，動目標的多普勒中心頻率和調頻率對動目標圖像造成的影響；從時域和頻域兩方面詳細分析了由於目標運動造成的距離徙動效應，建立了距離徙動模型；然後研究了動目標檢測原理，並對現有的檢測方法進行分類，使之更加系統化；詳細分析了動目標信噪比對檢測結果的影響，給出了sar系統動目標成像流程圖，指出了動目標成像中的關鍵環節。
  13. Firstly, in this paper, the basic principles of sar imaging are exploited following the analysis of sar imaging process ; it is shown that the imaging algorithm of traditional sar can be used effectively only on the condition of narrow relative bandwidth signals, narrow azimuthed processing angle and narrow swath width. large range migration has brought many new features and difficulties. after comparing many imaging algorithms, we find out the direction research of the uwb - sar imaging algorithm

    本文首先從sar成像的原理出發，分析了sar成像處理過程；指出傳統sar的高效成像演算法只有在窄信號相對帶寬、窄方位向處理角、窄條帶寬度的條件下才能有效運用，大距離徙動給大處理角uwb - sar成像帶來了許多新的特點和難點，據此分析比較了各種成像演算法，找出了適合uwb - sar高效演算法研究的基礎。
  14. In chapter 3, the real time data is imaged in the r - d algorithm. at first, we compress the signal in range and azimuth direction respectively, at the time of the processing ; we will deal with rcmc in r - d domain

    第三章研究實測數據的r - d演算法成像，我們對實測數據進行距離向和方位向的壓縮，並且在r - d域進行距離徙動校正（ rcmc ） ，從而實現成像。
  15. Chapter 5 analyzes the image formation theory of range migration algorithm ( rma ) and compares the image forming performance of pfa with that of rma in detail

    第五章介紹距離徙動演算法（ rma ）的原理，著重比較pfa和rma的成像性能。
  16. This thesis mainly studies one of spotlight imaging algorithms named frequency scaling algorithm, and compares this algorithm with range migration algorithm

    論文主要研究聚束sar頻率scaling成像演算法。並與距離徙動演算法進行比較。
  17. First, we go over the basic theory of sar making a theoretical preparation for following chapters, introducing the principle of sar, range and azimuth resolution, range migration, principle of the stationary phase

    本文首先回顧了機載合成孔徑雷達的一些基本問題，介紹了合成孔徑雷達的基本原理、距離向和方位向解析度、距離徙動、駐定相位原理等為后續章節做了理論上的鋪墊。
  18. Avalanche induced migration

    雪崩感生徙動
  19. Then, the sar imaging principles are studied. some crucial issues, such as model of echo, resolution and range migration are explained and the standard rd imaging algorithm is deduced

    對其中一些諸如回波信號模型、解析度、距離徙動等關鍵問題進行了介紹，並詳細推導了標準的距離-多普勒演算法。
  20. ( 3 ). the disquisition especially introduces the algorithm of pfa, analyzes the means of dechirps and removing rvp, discusses the range migration. at last discusses the influence to the image forming performance

    （ 3 ）研究了極坐標格式演算法在雙站聚束式合成孔徑雷達成像中的應用，分析去調頻技術、去rvp處理以及距離徙動等問題。
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