高分辨力雷達 的英文怎麼說
中文拼音 [gāofēnbānlìléidá]
高分辨力雷達
英文
high-definition radar- 高 : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 辨 : Ⅰ動詞(辨別; 分辨; 明察) distinguish; discriminate; differentiate; recognize Ⅱ名詞(姓氏) a surname
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 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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With modern weapon and modern wingmanship being developed, the higher performance of the radar, such as action range, resolution, measure precision and so on, are required
隨著現代武器和現代飛行技術的發展,對雷達的作用距離、分辨力和測量精度等性能指標提出了越來越高的要求。To improve this ability, a higher cross - range resolution is needed. an inverse synthetic aperture radar ( isar ) achieves high resolution in the cross - range dimension by taking advantage of the motion between radar and targets to synthesize the effect of a larger antenna aperture
逆合成孔徑雷達( inversesyntheticapertureradar ,簡稱isar )信號處理對接收到的運動目標的回波信號進行相干處理,等價成一個大口徑天線,很大程度上提高了方位向距離分辨力。Based on the doppler effect and pulse coherence technique, synthetic aperture radar ( sar ) breaks through the azimuth resolution limitation imposed by real aperture antenna. in combination with the pulse compression technique, two - dimensional high resolution imagery to distant targets can be realized
合成孔徑雷達( sar )利用以多普勒頻移理論和脈沖相參為基礎的合成孔徑技術,突破了實孔徑天線對方位向分辨力的限制,與脈沖壓縮技術相結合,實現了遠距離目標的二維高分辨成像。Synthetic aperture radar has all ? eather and high ? esolution capabilities and has been highly developed in recent years
合成孔徑雷達( sar )具有全天候和高分辨能力,近年來它得到了快速的發展。Synthetic aperture radar ( sar ) is one of the most advanced imaging sensors
聚束式合成孔徑雷達是一種具有超高分辨力的雷達成像模式。Pulse compression technique and large timeband product signals such as linear frequency modulation signals, nolinear frequency modulation signals, phase coded signals and so on are widely used in modern radar systems to improve the resolving power both in range and in speed domain
現代雷達為了提高雷達作用距離和速度分辨力、距離分辨力,廣泛採用了脈沖壓縮技術及大時寬帶脈壓信號如:線形調頻、非線形調頻、相位編碼信號等。Pulse compression technique is widely used in modern radar systems. it solves the contradiction between the range and velocity resolution. large time - bandwidth product signals such as linear frequency modulation signals ( lfm ) are used in pulse compression technique to improve the resolution in range domain
現代雷達系統廣泛採用脈沖壓縮技術,在確保雷達作用距離和速度分辨力的前提下,採用大時帶積脈沖壓縮信號:如線性調頻( lfm )信號提高距離分辨力。Exploitation of high resolution radar techniques has always been the direction of radar research and development on both military and civil applications
提高雷達的距離分辨力一直是雷達技術研究與發展的方向。The improvement of radar range - resolution not only facilitates detection of targets in high clutter, but also makes it possible to image and recognize targets
提高雷達距離分辨力不但有利於在強雜波背景下的目標檢測,而且使目標成像成為可能。Very high resolution radar
甚高分辨力雷達Currently, to obtain high resolution airborne sar image is one of the most important directions of sar
獲取高分辨力合成孔徑雷達圖像是當今合成孔徑雷達發展的重要方向之一。On the basis of the theory of high - resolution sar imaging, this dissertation introduces the sar imaging model
本文從合成孔徑雷達高分辨力成像的原理出發,討論了合成孔徑雷達成像的模型。Because of the phase errors caused by aircraft ' s motion errors, accurate motion compensation should be applied to get high resolution, high contrast and low geometric distortion sar images
因為由雷達載機運動誤差帶來的相位誤差,為了獲得高分辨力、高對比度、小幾何變形的圖像,就需要進行精確的運動補償。Recently, with the fast development of multi - targets identification and high resolution microwave imaging technologies, ultra - wide band radar has been more and more widely used in object imaging and object detection field
近年來,隨著集群目標分辨識別、高分辨力微波成像雷達等技術研究的快速發展,超寬帶雷達在目標成像與目標識別領域得到了越來越廣泛的應用。High - resolution multi - source direction finding is always a hot research area in array signal processing. the breakthrough of this technique is greatly meaningful in many research fields such as sonar, radar, communication, biomedical engineering, geology and so on
陣列處理的高分辨技術一直是國內外十分關注的研究熱點,其中高分辨多目標定向技術是國內外集中力量研究的重點,該項技術的突破對聲納、雷達、地質勘探、生物醫學工程及水中兵器均有重要意義。Pulse compression technique is widely used in modern radar systems. large timeband product signals such as linear frequency modulation signals ( lfm ), nonlinear frequency modulation signals ( nlfm ), phase coded signals and so on are used in pulse compression technique to improve the resolution in range domain
現代雷達系統廣泛採用脈沖壓縮技術,在確保雷達作用距離和速度分辨力的前提下,採用大時帶積脈沖壓縮信號:如線性調頻( lfm ) 、非線性調頻( nlfm )和相位編碼信號等,提高距離分辨力。A polarimetric sar combines both advantage of measuring full complex scattering matrix for each resolution cell in a scene and producing two - dimensional high resolution images, and is thus playing a more and more important role in gathering the detailed information regarding the geometric and electric structures of surfaces and covers for application in both civil and military areas
極化合成孔徑雷達( sar )具有可以測量場景中每個分辨單元的全極化散射矩陣以及產生二維高分辨力圖像的兩大優點,因此無論在民用和軍用的採集地表或地面覆蓋物的物理和電磁結構信息的應用中起著越來越重要的作用。With multi - modulation, the disadvantages of single - modulation ( such as fsk, psk and ppm ) can be eliminated. by taking the advantages of different modulations, the performance of range resolving, doppler resolving and low probability of intercept ( lpi ) of the signal can be improved
復合調制信號可以克服單一信號調制形式(如fsk 、 psk 、 ppm等)的缺點,實現信號之間的取長補短,提高距離、速度分辨力,提高信號的低截獲概率( lpi )性能,是雷達理論與技術的發展方向。Because of its ability not only to produce two - dimensional high resolution images of the scene illuminated, but also to measure complete complex scattering matrix for each resolution cell, and to operate under all weather conditions and all the time, day and night, a polarimetric synthetic aperture radar ( sar ) is playing a more and more important role in gathering the detailed information regarding the geometric and electric structures of surfaces and covers of the earth
極化合成孔徑雷達( sar )能夠通過照射場景,對場景進行二維(方位向和距離向)高分辨力成像,同時測量出每個分辨單元的復散射矩陣。由於極化合成孔徑雷達具行全天候和全氣候工作的能力,使得極化合成孔徑雷達在採集地表及其覆蓋物的物理(電結構)細節信息方面起著越來越重要的作用。Synthetic aperture radar ( sar ) is a kind of high resolution imaging radar, which has been developed since world war ii. high - resolution radar image can be obtained under all weather, day - and - night and long distance conditions, so it is of high value in military and civil applications
合成孔徑雷達( sar )是二戰以後發展起來的一種高分辨力成像雷達,它可以全天候、全天時、遠距離地得到類似光學照相的高分辨力圖像,在軍事和民用方面都具有重要的應用價值。分享友人