線分辨力 的英文怎麼說

中文拼音 [xiànfēnbān]
線分辨力 英文
line to line resolution
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : 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...
  1. In this paper, the concept of acceleration ambiguity function ( aaf ) and acceleration resolution is put forward for the first time. using aaf, the effects of target ' s relative acceleration on several outputs of a linear - phase matched filter are analyzed, such as the output signal - noise - ratio loss, the doppler resolution, the constraint on optimal accumulative time ( opt ) and their tolerable limits

    論文首次提出並研究了加速度模糊函數和加速度的有關概念,並以加速度模糊函數為析工具,詳細討論了加速度對性相位匹配濾波器的輸出信噪比的損失程度、對多卜勒頻率的影響程度、對最優相參積累時間的約束關系以及性相位匹配濾波器輸出受加速度影響的容限等問題。
  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,很大程度上提高了方位向距離
  3. 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,突破了實孔徑天對方位向的限制,與脈沖壓縮技術相結合,實現了遠距離目標的二維高成像。
  4. Several numerical experiments are carried out to detect the actual steps and limitation for the velocity and depth parameter ' s ray inversion in the fourth chapter, and the we find that : a. the resolution capability of the layer ' s velocity change along both the top and bottom boundary is very poor. thus generally the vertical homogeneous layer model whose top velocity equal to that of its bottom boundary should be considered

    本文的第四章通過一系列模型試驗詳細探討了利用射反演方法反演速度和深度參數的實際步驟,認為走時反演對速度層內頂部和底部速度變化的很弱,僅僅依靠走時數據難以反演出層內頂部和底部的速度變化,故一般情況下應採用速度層底部和頂部速度相同的縱向均勻模型。
  5. Now the method has application at large. because the laser - produced plasmas are rapidly varying, temporal resolution of spectral features is important to investigation of x - ray radiancy evolvement with time, many dynamic plasma processes and radiation transport. soft x - ray time - resolved diagnosis technology have had quiet great progress since from sixty " s end to seventy " s early

    由於激光等離子體變化快,且其x射輻射的時間特性包含有豐富的物理信息,因此時間的x射輻射特性診斷是研究激光等離子x射輻射隨時間的演變,各種動學過程和輻射輸運等物理問題所必需的關鍵診斷技術。
  6. 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、距離,廣泛採用了脈沖壓縮技術及大時寬帶脈壓信號如:形調頻、非形調頻、相位編碼信號等。
  7. 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的前提下,採用大時帶積脈沖壓縮信號:如性調頻( lfm )信號提高距離
  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性調頻信號的優點,是一種高距離信號。
  9. 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

    性調頻信號是通過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
  10. 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 )介紹了性調頻雷達距離和調頻性度的關系。
  11. On the other hand, in order to distinguish and identify the targets, and to solve the problems of radar imaging, phased array radar must have also wide instantaneous signal bandwidth

    另外,為了提高天、識別能和對多目標成像的能,相控陣雷達還必須具有大的瞬時信號帶寬。
  12. Quantitatively : reciprocal of the value ( generally in minutes of arc ) of the angular separation of two neighboring objects ( points or lines ) which the eye can just perceive as being separate

    定量方面:任一空間的測定結果,例如觀測者恰可察覺離的兩個相鄰物體(點或或其他特定刺激)的用弧表示的角度間隔的倒數。
  13. The theoretical results showed that point spread function ’ s distribution and the stray light mainly influenced the space resolving power and the measurement precision of the temperature measurement system, so we supposed some methods, which can improve the space resolving power, and the results proved the space resolution improved from 37 m to 16 m. 2. having made the space resolution come to 16 m, in order to improve the space resolving power more, we used image reconstruction method to reconstruct the

    利用這兩種方法,可以將測得的溫度場佈中被點擴展函數卷積鈍化掉的部復原回來,實驗測得微小面元溫度佈在復原后溫度最高值高於復原前最高值,且佈曲變窄,較好地提高了系統的空間,最終得到真實溫度佈的最佳估計。
  14. 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的前提下,採用大時帶積脈沖壓縮信號:如性調頻( lfm ) 、非性調頻( nlfm )和相位編碼信號等,提高距離
  15. Spotlight synthetic aperture radar can efficiently obtain an image with very high azimuth resolution, since its antenna illuminate the fixed target on the ground. bistatic radar is not a new concept and its fundamental principles have been known and demonstrated many years before the development of operational monostatic radar

    由於其天波束始終照射同一目標場景,因此可獲得更大的方位多普勒帶寬和更高的方位,但實際上由於受數據處理條件、載體運動誤差等因素的影響,方位解析度的提高是有限的。
  16. It achieves the electrical measurement of no - electricity ( especially displacement ) through the variation of self - inductance of or mutual inductance of coil. inductive micrometer, with a low cost, high - resolution power, long life and high reliability, has been applied to the measurement of micro - displacement for a long time. it is common that the inductive micrometer is chosen as a preferred instrument in high - precision micro - displacement test

    電感微位移傳感器是一種建立在電磁感應基礎上,利用圈的自感或互感系數的改變來實現非電量(主要是位移)測量的低成本、高精度測量儀,因為其高、使用壽命長、工作性能穩定,應用於微位移測量己經有很長的歷史,進行高精度微位移測量時選用電感位移傳感器已經成為一種共識。
  17. 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測距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距精度和距離,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性,將使得雷達的實際測距精度和距離下降。
  18. 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:性調頻信號的波形、匹配濾波器、模糊函數、速度、距離及抗干擾能;產生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;設計了一個產生性調頻信號的具體電路。
  19. Image - line resolution

    圖像線分辨力
  20. Line to line resolution

    線分辨力
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