距離分辨力 的英文怎麼說

中文拼音 [fēnbān]
距離分辨力 英文
range discrimination
  • : Ⅰ名詞1 (距離) distance 2 (雄雞、雉等的腿的後面突出像腳趾的部分) spur (of a cock etc )Ⅱ動詞...
  • : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
  • : 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
  • : Ⅰ動詞(辨別; 分辨; 明察) distinguish; discriminate; differentiate; recognize Ⅱ名詞(姓氏) a surname
  • : 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...
  • 距離 : 1 (相隔的長度) distance; range; gap; space; spacing; separation 2 (相距) be apart from; be aw...
  1. 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,對雷達的作用和測量精度等性能指標提出了越來越高的要求。
  2. 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
  3. Ftt makes the frequency sampled at a same frequency interval on unit circle, and the frequency interval limits the practical range - precision of the radar, and makes range precision at an equivalent level with range - resolution

    由於fft的實質是頻率在單位圓上的等間隔采樣,其采樣間隔限制了雷達的實際測精度,使得其測精度與其距離分辨力處于同一量級。
  4. 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和速度距離分辨力,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。
  5. 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,在確保雷達作用和速度的前提下,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
  6. 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。
  7. Moreover, the pulse compression radar has been widely used in practice because of its far detection range and good range resolution

    此外,為了解決雷達作用距離分辨力之間的矛盾,脈沖壓縮機技術在現代雷達系統中被廣泛採用。
  8. Chirp - subpulse stepped frequency signal is one of the high distance resolution signals with merits of stepped - frequency signal and chirp signal

    Chirp子脈沖頻率步進信號兼有頻率步進信號和線性調頻信號的優點,是一種高距離分辨力信號。
  9. 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。
  10. 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。
  11. Pulse compression effectively solves the contradiction between the range resolution and the average power of the radar, and is widely applied in modern radars

    而脈沖壓縮有效地解決了雷達距離分辨力與平均功率之間的矛盾,並在現代雷達中廣泛應用。
  12. In the second chapter, firstly, the theory of target resolving is introduced. secondly, the echo of radar is commoned, and characteristic of lfm is analyzed and summarized

    第二章主要介紹了多目標的理論基礎,析了距離分辨力、速度與模糊函數之間的關系。
  13. Chirp signal is a kind of pulse - compressed signal with large time - bandwidth products achieved through linear frequency modulation. it has high resolution in range because of its great bandwidth

    線性調頻信號是通過線性頻率調制獲得大的時寬帶寬積的一種脈沖壓縮信號,具有大的帶寬,因此有高的距離分辨力
  14. Briefly, here are main topics of this dissertation : ( 1 ) the relation between the resolving power of the linear frequency modulated continuous wave radar and the linearity of linear frequency modulation signal

    同樣,輸出數據也可以通過雙口ram和pci介面輸出。本文的主要工作包括: ( 1 )介紹了線性調頻雷達距離分辨力和調頻線性度的關系。
  15. Pulse internal phase coding and pulse external quasi random frequency agile signal is a kind of complex signal which can avoid interference frequency band, increase system bandwidth, consequently increase the range resolution

    本文所研究的脈內二相編碼脈間準隨機跳頻信號是復合信號的一種,可以避開干擾頻段,提高系統帶寬,從而提高了距離分辨力
  16. 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,在確保雷達作用和速度的前提下,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
  17. First, this dissertation analyses the waveform of chirp - subpulse stepped frequency signal, studies and simulates the ambiguity characteristics, the spectrum structure and the basic process to obtain high resolution range profiles, and discuss this signal ’ s high range resolution characteristic and wide spectrum characteristic

    首先,本文對chirp子脈沖頻率步進信號進行了波形析,研究了chirp子脈沖頻率步進信號的模糊特性、頻譜結構以及合成高像的基本過程,討論了chirp子脈沖頻率步進信號的高距離分辨力和寬帶頻譜特性。
  18. In this thesis, based on this kind of application, we made theoretical analysis and engineering practice on high - precision lfmcw and its signal processing millimeter wave broadband lfmcw radar has quite high theoretical range - precision and distance resolution, however, for the real radar system, the nonideal parameter of its transmitting signal, such as power fluctuation and the nonlinearity in frequency sweep, will result in the decreasing of the practical rang - precision and the distance resolution of radar

    本文基於這一應用對高精度lfmcw測雷達及其信號處理進行了理論析和工程實踐。毫米波寬帶lfmcw雷達具有很高的理論測精度和距離分辨力,但對于實際的雷達系統,其發射信號的非理想參數-掃頻功率起伏和掃頻非線性,將使得雷達的實際測精度和距離分辨力下降。
  19. In hf ( high frequency ) radar, the targets detected based on the spectrum processed by the two - dimension fft are peak - like, which makes the operator distinguish them from the clutter and background noise easiler in the 3d ( three - dimension ) display than the 2d

    特別對于距離分辨力低的高頻雷達系統,其探測的目標通常近似為點目標,在經二維傅立葉變換得到的頻譜數據上呈現峰狀結構。
  20. This paper gives a detailed account of the waveform, matched - filter, fuzzy function, resolution in speed, resolution in range and the capacity of anti - interference of the chirp signal. it deals with several methods to produce chirp signal and the advantages and disadvantages of these methods. it describes the working principle and performance of dds, analyses the phase errors initiated by the phase truncation and proposes a new scheme to solve the error

    本文詳細介紹了以下幾個方面:線性調頻信號的波形、匹配濾波器、模糊函數、速度距離分辨力及抗干擾能;產生線性調頻信號的幾種方法並簡要析了各種方法的優缺點; dds的工作原理、性能指標,析了相位截斷產生的相位誤差,並提出解決這種誤差的新方案;設計了一個產生線性調頻信號的具體電路。
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