海浪回波 的英文怎麼說

中文拼音 [hǎilànghuí]
海浪回波 英文
sea echo
  • : Ⅰ名詞1 (波浪)wave; swell; billow; breaker 2 (像波浪起伏的東西) things undulating like waves 3...
  • : 回構詞成分。
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • 海浪 : sea wave
  1. Second, the imaging model built here has taken into account the tilt modulation, the hydrodynamic modulation, and current modulations of radar cross section. consequently, it has realized the imaging simulation of four kinds of wakes with the same imaging model. third, the orbital velocity of ocean wave was considered as the basic dynamic factor, and the imaging model calculates the influence on raw data by the wave m ovement according to the orbital velocity

    該模型的主要特點是: ( 1 )它採用了三尺度復合表面模型的思想來計算面的電磁散射,考慮了中等尺度對紋的進一步調製作用,彌補了傳統雙尺度模型的不足; ( 1 )它考慮了的傾斜調製作用、流體動力調製作用和流場對雷達截面的調製作用,實現了用統一的模擬模型對四種艦船尾跡特徵進行成像模擬; ( 3 )它把面長的軌道速度作為基本的動態成分,並依此來考慮面運動對sar信號的影響。
  2. Sea clutter is a kind of spurious echoes that is caused by reflection from rough seas

    是一類假的,是由面的大反射雷達微而引致。
  3. This kind of spurious echoes is called sea clutter and is caused by reflection from rough seas, a result of the storm s gale force winds

    這類假的被稱為,是由風暴的烈風颳起的大反射所引致。
  4. Because of the presence of the first - order sea echoes with dominant amplitude, the doppler resolution technique which based on the range - velocity transformation is needed to extract the targets information in hf radar

    高頻雷達工作在擁擠的短段,由於絕對占優的一階海浪回波的存在,必須採用基於距離?速度譜變換的多普勒頻率分辨技術來處理雜,以提取目標信息。
  5. Super - resolution spatial spectrum estimation is applied in this dissertation to realize bearing resolution by utilizing the different bearings between targets and first - order sea echoes. the simulation of radar echoes in one resolution cell is presented based on the theoretically analyzing hf sea clutter sea clutter reflection characteristic and sea echo spectrum stretching mechanics

    本文從分析高頻反射特性以及平臺運動引起展寬機理入手,建立便於理論研究的一階展寬的和二階模型;在分辨單元上對雷達信號進行了模擬。
  6. Each wave threw him down and the current kept pulling him back into the sea.

    每一個都把他推倒,而且流不斷把他沖中去。
  7. Considering the effects of both tides and waves, a2 - d numerical model was used to simulate the sediment movement in lianyungang harbor, and a large scaled average sediment concentration field of hai - zhou bay was computed

    摘要以連雲港進港航道為例,應用、潮流共同作用下的二維泥沙數學模型,研究淤泥質岸的泥沙運動及航道淤問題。
  8. On the basis of sediment concentration field, the annual back silting intensity on the approach channel of 70000 dwt at lianyungang harbor was also simulated, and the calculated results was coincident with actual data

    鑒于進港航道淤量是當地域潮流、、泥沙長期共同作用的結果,建議採用年平均含沙量場進行淤計算,並在此基礎上模擬了連雲港7萬噸級進港航道的年淤強度,計算結果與實測資料吻合較好。
  9. The advances in the research on coastal disasters, coastal ecological environments, waves and currents, coastal sediments and morphological changes, and coastal structures in japan are introduced by summarizing the papers which were presented in the annual conference on coastal engineering in japan

    摘要介紹了日本第52岸工學講演會的概況,從岸災害、岸生態環境、與水流、岸泥沙運動與地形變化、岸建築物等5個方面綜述了日本岸工程研究的進展情況。
  10. In this dissertation, the progress in the researches of spatial coherence of random waves is reviewed. based on this, studies have been carried out for the statistical characteristics of crest lengths and their influence on vlfs

    本文顧總結了近年來國內外有關空間特徵量統計研究的進展,並在此基礎上,開展了隨機峰長度統計特徵及其對上結構物影響的研究。
  11. It was not easy designing a radar system able to pick out a submarine peniscope from aimd the endless rolling wave father.

    要設計一種能從不斷翻滾的海浪回波中辨別出潛艇望鏡的雷達系統,並非易事。
  12. Based on the data on scour around large diameter cylinders exposed to waves and currents, effects of every kind of sea enviromental parameters on maximum scour depth are analyzed and guided by dimensional analysis and multidimensional linear regression, an equation is given to compute maximum scour depth around large diameter cylinders in combined waves and currents. compared with some other equations, this equation is more accrete, simpler and clearer and the compute d results are in good agreement with experimental ones

    本論文主要是在總結國內外研究成果基礎上,從與水流共同作用下床上直立大直徑圓柱建築物周圍的局部沖刷機理出發,研究和探討了圓柱周圍的沖淤形態;分析各種洋環境參數對最大沖刷深度的影響,並利用已取得的實驗資料,採用量綱分析原理和多元線性歸分析方法,建立一個流共同作用下床上直立大直徑圓柱建築物周圍的最大沖刷深度計算公式。
  13. An ocean wave passing through deep water causes a particle on the surface to move in a roughly circular orbit, drawing the particle first towards the advancing wave, then up into the wave, then forward with it and then ? as the wave leaves the particles behind ? back to its starting point again

    穿過深水的使水面上的一個微粒按照一種近乎圓形的軌道移動,先把微粒拉向前移動的,然後推上,隨著移動,然後? ?當把微粒留在身後時? ?又到出發點。
  14. The main problem is that near shore, a tsunami ' s actual size is masked by additional waves generated as the tsunami bounces off seawalls, wraps around islands, or sloshes back and forth in a bay ? all of which make for a very tangled signal

    然而主要問題是當嘯接近岸邊時,沖擊防堤產生的巨,或是當它包圍島嶼、在灣里來所飛濺的花,都會造成非常紊亂的訊號,掩蓋嘯的實際大小。
  15. This paper contains a useful smmary of log normal distribution, weibull distribution and the k - distribution. the weibull distribution may well extend to phenomena other than radar including radiation scattered from turbulent or rough surface

    對雷達來說,面是極其復雜的反射體,關鍵是找出一些合適的參數,以便建立一個描述依從關系的數學模型。
  16. Combine with the project " hf ground wave radar supervise sea status " of state 863 project, retrieving wind direction from hf radar doppler spectrum and the showing of wind field, current field, wave field are researched in this paper. the problem of how to represent the sea surface parameters by computer is concerned, too

    本文結合863 - 818 - 01 - 02課題「高頻地雷達洋環境監測技術」 ,研究了由高頻雷達提取風向信息和面風場、場、流場信息的計算機表徵方法及其數據傳輸反演和表徵的若干問題。
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