探雲雷達 的英文怎麼說
中文拼音 [tànyúnléidá]
探雲雷達
英文
cloud-detection radar- 探 : Ⅰ動詞1 (試圖發現) try to find out; explore; sound 2 (看望) call on; visit; see 3 (向前伸出)...
- 雲 : 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
- 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...
- 雷達 : [訊] radar (縮自 radio detection and ranging)
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Thereinto, the correction of attenuation is a big problem in millimeter - wave cloud radar detection
但是,毫米波雲雷達探測,必須考慮的問題之一是大氣衰減訂正。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測雲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雷達測雲,由於大氣和雲衰減不同和雷達反射率的很大差異,導致雷達回波信號強弱不同; ( 3 )對雲層較薄、含水量較少的雲,在不計雷達參數的情況下, 37ghz雷達回波信號不如94ghz測雲雷達,也就是說94ghz對薄雲有更強的探測能力;對雲層較厚、含水量大的雲,由於強衰減的作用, 94ghz雷達回波信號小於37ghz雷達; ( 4 )從大氣衰減的不利因素方面考慮,空間94ghz雷達測高層薄雲的效果最好;測低層薄雲時需要考慮氣體衰減訂正;因濃厚雲的強衰減作用,探測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雲層的含水量垂直分佈; ( 5 )為了獲得從極薄到極濃厚雲的垂直分佈探測能力,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 ) 。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
以加密觀測的多普勒雷達、 3小時探空、 10 30分鐘雨強、地面雨滴譜等間隔取樣及在gps引導下的飛機雲物理探測等獲取的三維高時空密度的綜合探測為主體;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、主要觀測項目的分析反演軟體,結合多尺度雲系模式,綜合構成層狀雲系中微尺度探測和分析處理技術方法。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雲數值模式,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,並結合多普勒雷達探測資料,分析了風暴的流場結構,雷達回波結構特徵,含水量場等宏微觀物理量的分佈及其演變。The indexes of identifing hail cloud using digifal radar xdr in wusu
數字化雷達識別雹雲指標初探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
本文用綜合觀測的方法,利用機載pms雲粒子探測系統,根據雲系的宏微觀結構特徵進行有針對性的垂直探測飛行,配合衛星、雷達、地面雨量、雨強計網觀測資料對2003年9月17日延安降水性層狀雲系中那些有代表性的部位或垂直分層做細致的觀測分析,獲得雲系的微物理結構和自然降水形成的物理過程,並用觀測事實來驗證人工增雨引晶催化后的物理響應判據。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、更為完整的常規探測資料和高原地區布設的自動氣象站資料、新一代多卜勒天氣雷達資料、衛星雲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。The macro characteristics of status cloud systems have been studied by using every 3 - hour sounding data, satellite cloud pictures, radar echoes, synoptic charts, surface rainfall, raindrop size distribution and microwave radiometer. the spatial distribution of precipitation particles and the mechanisms of their formation were studied by one - dimension stratus model. thus, spring stratus precipitation conceptual model was primarily established in henan province
利用3小時一次的加密探空資料、衛星雲圖、雷達回波圖、天氣圖、地面雨量、雨滴譜、微波輻射計等資料,分析了降水雲系的宏觀特徵,並利用一維層狀雲模式研究了降水粒子的時空分佈和水質粒形成的微物理特徵,由此初步建立了河南省春季層狀雲降水的概念模型。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:包括衛星雲圖分析、多普勒天氣雷達圖片分析和天氣預測部的工序。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
毫米波更接近雲粒子的尺度,因此毫米波及短厘米波段雷達已被應用於雲層的探測,地基37ghz和94ghz (多普勒)雷達已成為探測雲垂直結構的主要工具。The aim is to find a way to explore both the spectral advantage of multispetral data and the ability of high spatial resolution image toreflect details and update big scale map. sar data may be utilized as supplement of optical data under bad weather conditions in austral areas
目的是探索在南方地區,如何充分發揮tm etm +影像在光譜解析度上的優勢和高解析度衛星影像在刻畫細節、大比例尺圖件更新中的能力、以及雲雨條件下利用雷達數據補充光學數據不足的方法。2. special topics such as interpretation of satellite pictures and doppler weather radar images as well as operational procedures at the hong kong meteorological centre
2 .專題探討:包括衛星雲圖分析多普勒天氣雷達圖片分析和香港氣象中心的工序。分享友人