機場場面雷達 的英文怎麼說
中文拼音 [jīchǎngchǎngmiànléidá]
機場場面雷達
英文
airport surface detection equipment- 機 : machineengine
- 場 : 場Ⅰ名詞1 (平坦的空地 多用來翻曬糧食 碾軋穀物) a level open space; threshing ground 2 [方言] (...
- 面 : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
- 雷 : 1. (雲層放電時發出的響聲) thunder 2. (軍事上用的爆炸武器) mine 3. (姓氏) a surname
- 達 : Ⅰ動詞1 (暢通) extend 2 (達到) reach; attain; amount to 3 (通曉; 明白) understand thoroughly...
- 機場 : airdrome; airfield; airport; flying field; adrm; aerodrome
- 雷達 : [訊] radar (縮自 radio detection and ranging)
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A sea - breeze front was clearly discernible over an area on the western part of the airport where outgoing winds the background wind, warm colours and incoming winds sea breeze, cold colours met
清楚的顯示機場西面出現一道海風「鋒」 ,這正是遠離激光雷達的氣流背景風,暖色和趨向激光雷達的氣流海風,冷色相遇的位置。A sea - breeze front was clearly discernible over an area on the western part of the airport where outgoing winds ( the background wind, warm colours ) and incoming winds ( sea breeze, cold colours ) met. this new piece of equipment had enabled the observatory to issue in advance a windshear alert for that occasion
清楚的顯示機場西面出現一道海風「鋒」 ,這正是遠離激光雷達的氣流背景風,暖色和趨向激光雷達的氣流海風,冷色相遇的位置。這套新的儀器令天文臺能夠于該天提早發出了風切變預警。A sea - breeze front was clearly discernible over an area on the western part of the airport where outgoing winds the background wind, warm colours and incoming winds sea breeze, cold colours met. this new piece of equipment had enabled the observatory to issue in advance a windshear alert for that occasion
清楚的顯示機場西面出現一道海風「鋒」 ,這正是遠離激光雷達的氣流背景風,暖色和趨向激光雷達的氣流海風,冷色相遇的位置。這套新的儀器令天文臺能夠于該天提早發出了風切變預警。From the model study of the fractal random rough surface, we acquire one dimensional ? two dimensional fractal random rough surface model with fractal theory ; 2. the calculation of the scattering field of light ; the establishment of the scattering light ’ intensity model, and the number calculation of the intensity distribute ; 3. the study on the laser radar cross section of one - dimensional fractal rough surface target ; and the number calculation of the scattering intensity of two - dimensional fractal the rough surface target ; 4. through shadowing effect, we analysis light scattering characteristic of fractal rough surface
本論文利用分形理論得到一維?二維分形隨機粗糙表面模型,研究光在一維?二維分形粗糙表面的光散射特性,主要從以下四個方面分析: 1 .自仿射分形隨機粗糙表面模型探討,採用分形理論得到一維?二維分形隨機粗糙表面模型; 2 .分形粗糙表面散射光場的計算和粗糙表面散射光強角分佈的模型建立和數值計算; 3 .一維分形粗糙表面目標的激光雷達後向散射截面lrcs研究和二維分形粗糙表面目標散射強度數值計算; 4 .引入遮蔽效應分析分形粗糙表面光散射特性。The doppler radial winds from the terminal doppler weather radar tdwr 0. 6 - degree elevation scan over the hkia and its western approach were generally away from the radar positive radial velocity - warm colours, consistent with the low - level east - southeasterly flow figure 12
機場多普勒天氣雷達對香港國際機場及西面著陸區的0 . 6度仰角掃描顯示,多普勒徑向風大致離開雷達正徑向風速暖色,與低空東南偏東氣流吻合圖12 。In order to obtain the complex rcs of the target quickly in high frequency band, the graphical electromagnetic computing software, greco, is used. the modification of the computing kernel code is presented. the judgement of edges of complex targets is more sufficient and the computation of edge wave based on physical theory of diffraction ( ptd ) is more exact after the modification
為了可以準確地預估雷達目標的rcs ,我們對于航天部207所的圖形電磁計算軟體( greco )進行了進一步的開發與包裝,用borland公司的c + + builder開發了更加易於使用的基於windows操作系統的新版greco ,並且在考察了原有的greco計算內核之後,結合計算機圖形學方面的理論,對greco的內核代碼進行了改進,整體上使得邊緣繞射場的計算結果更加準確。The ground moving target detection ( gmti / gmtd ) is an important function of the battlefield awareness radar and fighter ' s fire - control radar. in the gmti / gmtd the ground clutter will do strong harm to the detection and stap can be used to suppress the clutter
戰場感知雷達和機載火控雷達的地面慢速目標檢測功能也受到地雜波的制約,可以利用空時二維自適應處理提高抑制雜波的能力。The following is an example. around noon on august 21, 2002, the lidar detected windshear near the western part of the airport. this enables the aviation forecaster to issue an alert an hour or so in advance
以下是一個實例:在二二年八月二十一日中午1 2時,激光雷達探測到機場西面地方出現風切變,並能讓預報員提早一小時多發出預警。Bsr confronts with complicated clutter circumstance, it ' s the most important thing we must do to restrain clutter not smooth in time domain or frequency domain in order to detect interesting targets of mainland and sea level
機載戰場偵察雷達面臨的雜波環境是很復雜的,有效地抑制時間非平穩和空間非平穩的雜波干擾是雷達系統完成地面目標、海洋目標以及低空目標檢測必須首要解決的問題。The background of this thesis is scene surveillance radar, which is mainly applied in target imaging, recognizing and tracking at airports
本課題的背景是場面監視雷達,其應用背景是針對機場,對機場內目標進行距離分辨力成像、識別和軌跡跟蹤。To monitor weather conditions of the airport and prepare weather forecasts, the forecaster refers to all available weather information, including conventional weather elements such as surface winds, pressure, temperature and rainfall, as well as radar and satellite pictures
預報員須綜合多方面的天氣資料,包括常規天氣要素如地面風氣壓溫度雨量,以及雷達衛星圖像等,來全面地監察機場地區的天氣情況,和編制天氣預報。The local controller in the airport tower checks the runways and the skies above the runways with binoculars and surface radar ( local and ground controllers are the only controllers licensed to use visual information in performing their duties )
在機場地面指揮控制中心中的本地管制人員通過雙筒望遠鏡和地表雷達監視跑道及其上空的情況。For service delivery, the hko operates a web - based information service through which airline companies can retrieve the latest meteorological information and flight documentation including weather forecasts for departure, destination and alternate aerodromes, forecast charts of en - route significant weather, wind and temperature data, as well as weather radar and satellite images
在資訊服務方面,天文臺以網頁形式為航空公司提供最新氣象資料及飛行文件,包括香港國際機場、目的地機場及備降機場的天氣預報、航路上重要天氣預報圖、風及溫度數據以及雷達和衛星圖像。The radar is strategically located at tai lam chung, about 12 kilometres northeast of chek lap kok so that it has a clear view of the runways, airport approach and departure zones
和風切變,令飛機升降時更安全。雷達站位於赤角東北約12公里的大欖涌,面向機場跑道及升降區,境觀無阻。The doppler radial winds from the terminal doppler weather radar ( tdwr ) 0. 6 - degree elevation scan over the hkia and its western approach were generally away from the radar ( positive radial velocity - - warm colours ), consistent with the low - level east - southeasterly flow ( figure 12 )
機場多普勒天氣雷達對香港國際機場及西面著陸區的0 . 6度仰角掃描顯示,多普勒徑向風大致離開雷達(正徑向風速暖色) ,與低空東南偏東氣流吻合(圖12 ) 。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「高頻地波雷達海洋環境監測技術」 ,研究了由高頻雷達海面回波提取風向信息和海面風場、浪場、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。分享友人