測雲雷達 的英文怎麼說

中文拼音 [yúnléi]
測雲雷達 英文
cloud detection radar
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : Ⅰ動詞[書面語] (說) say Ⅱ名詞1. (雲彩) cloud 2. (雲南) short for yunnan province3. (姓氏) a surname
  • : 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
  • : Ⅰ動詞1 (暢通) extend 2 (達到) reach; attain; amount to 3 (通曉; 明白) understand thoroughly...
  • 雷達 : [訊] radar (縮自 radio detection and ranging)
  1. Mesoscale model simulations have been performed of a severe thunderstorm that occurred on 22 - 23 august 2001 in huabei area in china. combing with satellite, doppler radar images and general weather observations, the evolution mechanism of the severe thunderstorm is analysed with emphasis on the orographic effect of taihang mountain

    將模擬的、風、壓場和降水與實況資料進行對比檢驗,在控制模擬效果較為理想的情況下,結合衛星、 doppler和常規天氣資料,對整個對流風暴的發展演變過程進行分析,並著重對強對流風暴發生演變的熱力、動力機制以及重力波特徵進行了研究。
  2. Thereinto, the correction of attenuation is a big problem in millimeter - wave cloud radar detection

    但是,毫米波,必須考慮的問題之一是大氣衰減訂正。
  3. Main conclusions drawn from the analyses of calculating results are as follows : ( 1 ) the microwave absorption of atmosphere gas have obvious attenuation at the wavelengths for cloud detection, thereinto, the water attenuation effect changes greatly, so the 94ghz cloud detecting radar should have water vapor attenuation correction scheme. ( 2 ) when 37ghz and 94ghz radars detect clouds, the difference between the atmosphere and cloud attenuation and the large variety of radar reflectivity conduce the intension of the radar backscatter signals change. ( 3 ) for the thin cloud layer and low water content of cloud, 37 - ghz radar backscatter signals are not as good as 94 - ghz radar, that is to say that the 94ghz radar has better capability in thin clouds detection

    本工作得出如下結論: ( 1 )大氣氣體的微波吸收在波段產生明顯的衰減,其中水汽衰減效應變化很大;即將上天的空間94ghz測雲雷達必須有水汽衰減訂正方案; ( 2 ) 37ghz和94ghz,由於大氣和衰減不同和反射率的很大差異,導致回波信號強弱不同; ( 3 )對層較薄、含水量較少的,在不計參數的情況下, 37ghz回波信號不如94ghz測雲雷達,也就是說94ghz對薄有更強的探能力;對層較厚、含水量大的,由於強衰減的作用, 94ghz回波信號小於37ghz; ( 4 )從大氣衰減的不利因素方面考慮,空間94ghz高層薄的效果最好;低層薄時需要考慮氣體衰減訂正;因濃厚的強衰減作用,探其中下部的能力大大減弱,不僅要進行衰減訂正,而且要藉助其他信息來反演整個層的含水量垂直分佈; ( 5 )為了獲得從極薄到極濃厚的垂直分佈探能力,未來測雲雷達系統最好採用雙波長甚至三波長(如94 、 37和13ghz ) 。
  4. As for a space - based cloud radar, the change of the radar reflectivity n and the change of attenuation rate along with the cloud liquid water content have been compared between 37 ghz and 94ghz. the transmittance t of single level cloud for different heights and liquid water content has also been calculated at 2 frequencies. by defining a = n tr, which combines both effects of radar reflectivity and transmittance, we have examined the values of a at 37ghz and 94ghz for high, middle and low cloud liquid water contents

    對空間測雲雷達,討論了37ghz和94ghz這兩個頻率的反射率和衰減系數隨液水含量的變化;計算了不同高度的單層在不同頻率,不同含水量情況下的層透過率_ ;定義a = _來綜合考慮反射率和透過率對空間測雲雷達回波的影響,分析比較了含水量高、中、低時37ghz和94ghz的a值大小。
  5. Three - dimensional high - density space / time soundings serve as the main body of data consisting of 3 - hr interval doppler probings, 10 - 30 min rainfall intensity, surface raindrop sizes sampling and gps - guided flight cloud physics detections with output taken at 2 - sec and 200 - m intervals. and specific systems associated therewith are developed for multiple - way communication and data collection and storage, a platform for analysis, retrieval softwares for dominant items and multi - scale cloud models - all constitute a system of techniques for meso to microscale observations and analysis. 2 ) atmospheric water resource and macroscopic rainfall properties in dry periods of spring and autumn of the target region

    以加密觀的多普勒、 3小時探空、 10 30分鐘雨強、地面雨滴譜等間隔取樣及在gps引導下的飛機物理探等獲取的三維高時空密度的綜合探為主體;配合專項設計開發的多路通訊採集存貯系統、多類信息的分析處理平臺、主要觀項目的分析反演軟體,結合多尺度系模式,綜合構成層狀系中微尺度探和分析處理技術方法。
  6. Cloud detection radar

    測雲雷達
  7. The initial field of the model is the in situ observational data. combining the observational data by the doppler weather radar, the distribution and evolution of macro - physical as well as micro - physical variations such as wind field structure, radar echo structure, overhang echo, bound weak echo region, strong echo wall, water content, etc. in the storm were analyzed

    利用中國科學院大氣物理研究所建立的完全彈性三維雹數值模式,模擬了1996年6月29日發生在北京東北部京冀交界地區的一次強單體雹暴過程,並結合多普勒資料,分析了風暴的流場結構,回波結構特徵,含水量場等宏微觀物理量的分佈及其演變。
  8. In this paper aircraft has made vertical and synthetic detecting flying purposefully on 9. 17, 2003 according to cloud ' s macro and microstructure. vertical layers and representative places of stratiform cloud on 9. 17, 2003 are analyzed using the observational data of particle measurement system ( pms ), combined with satellite data, radar data, and precipitation data on ground. by this we have got cloud ' s microphysical structure and physical process of the natural precipitation, and the physical effect evidence has been testified according to observational data after lco2 seeding

    本文用綜合觀的方法,利用機載pms粒子探系統,根據系的宏微觀結構特徵進行有針對性的垂直探飛行,配合衛星、、地面雨量、雨強計網觀資料對2003年9月17日延安降水性層狀系中那些有代表性的部位或垂直分層做細致的觀分析,獲得系的微物理結構和自然降水形成的物理過程,並用觀事實來驗證人工增雨引晶催化后的物理響應判據。
  9. In addition, a thought of how to use the mesoscale convergence center, tbb of convective cloud and the radar echo for rainfall rate to predict the mesoscale rain cluster is presented

    提出利用逐時的中尺度輻合中心、衛星紅外頂亮溫及回波降水率做中尺度雨團量級預思路。
  10. Detailed diagnoses is made on a heavy - hard rain in the northeast qinghai - xizang plateau using ncep data of 1 x 1 with 6h intervals, more complete and integrated conventional observational data and the data set of automatic meteorological stations in plateau and new generation doppler radar data and satellite images and etc. the following conclusions can be drawn : 1. the distribution of heavy - hard rain, which is characteristics of valley topography in northeast qinghai - xizang plateau is obviously effected by topography. the distribution of yearly mean precipitation and the frequencies of heavy - hard rain in this area are descending from east to west

    本文首先利用ncep時間間隔為6小時的1 1的格點資料、更全面、更為完整的常規探資料和高原地區布設的自動氣象站資料、新一代多卜勒天氣資料、衛星圖資料等對高原東北部地區大到暴雨的天氣、氣候特徵及大尺度環流背景進行分析,形成對高原暴雨的整體認識,並為以後的數值模擬提供大尺度環流背景及依據,分析中發現: 1 、高原東北部地區大到暴雨的分佈明顯受到地形影響,年降水量和大到暴雨次數自東向西呈階梯性遞減趨勢,分別在高原東北部的外流河谷地區和四川北部地區存在大值中心。
  11. Special topics such as interpretation of satellite pictures and doppler weather radar images as well as operational procedures at the central forecasting office

    專題探討:包括衛星圖分析、多普勒天氣圖片分析和天氣預部的工序。
  12. Millimeter - wave is close to the size of cloud particles, so millimeter - wave radar has now been constructed and operated for cloud observations. the ground - based 37 - ghz and 94 - ghz meteorological doppler radars have been the main implements to detect clouds

    毫米波更接近粒子的尺度,因此毫米波及短厘米波段已被應用於層的探,地基37ghz和94ghz (多普勒)已成為探垂直結構的主要工具。
  13. In addition to conventional meteorological observations, the observatory s weather radar system provides a good means to continuously monitor the movement and development of rain - bearing clouds

    除了傳統氣象觀方法之外,天文臺的天氣系統,不斷監帶的移動和發展情況。
  14. Cloud observation used to be an essential element of weather forecasting prior to the invention of weather radar and satellites. by observing the sky and making use of the knowledge that appearance of certain cloud types heralded stormy weather, mankind was able to make better preparation for the approaching inclement weather

    的觀曾是天氣預的重要一環,在未有氣象和衛星之前,人類觀天空,配合種與暴風雨的關系的知識,為惡劣天氣之來臨作出準備。
  15. The weather forecaster at the hong kong observatory makes use of radar pictures, satellite pictures, lightning location information and weather reports to monitor the development and movement of the thunderstorms

    香港天文臺的預報員利用圖像衛星圖閃電位置資料及氣象報告來監暴的發展和移動方向。
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