目標分辨力 的英文怎麼說

中文拼音 [biāofēnbān]
目標分辨力 英文
target discrimination
  • : Ⅰ名詞1 (眼睛) eye 2 (大項中再分的小項) item 3 [生物學] (把同一綱的生物按彼此相似的特徵分為幾...
  • : Ⅰ名詞1 [書面語] (樹梢) treetop; the tip of a tree2 (枝節或表面) symptom; outside appearance; ...
  • : 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...
  • 目標 : 1. (對象) target; objective 2. (目的) goal; aim; destination
  1. 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
  2. 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的限制,與脈沖壓縮技術相結合,實現了遠距離的二維高成像。
  3. Isar transmits wide bandwidth signals to obtain high range resolution. the cross - range resolution is obtained by the doppler frequency information of the target ’ s rotation

    逆合成孔徑雷達通過發射大帶寬信號獲得好的距離解析度,利用相對于雷達的轉動產生多普勒頻率梯度來獲取好的方位向
  4. Because of the limited cross - range resolution, high frequency ( hf ) over - the - horizon ( oth ) radar has the poor ability to determine the number of group targets and identify the large warship such as aircraft carrier in engineering applications

    我國的高頻雷達已進入工程化應用階段,但由於受的限制,在群組的個數及大型船隻的識別等方面仍有不足之處。
  5. From the utilizing surround of music algorithms, we can sure the resolution and doa estimated accuracy of music algorithms must be effected by the sea clutter

    從music演算法的應用背景環境可知,海雜波的存在必將影響music演算法的精度和,甚至可能是music演算法無法檢測的真實方位信息,在某一方位出現虛假
  6. Modern sonar systems generally use hydrophone arrays and advanced signal processing techniques to improve their detection and localization abilities, whereas beamforming plays an important role. as it is known, the conventional beamforming approach provides limited array gains and low interference suppression abilities, and cannot resolve multi - targets distributed within a small spatial region

    但是,傳統的波束形成方式所提供的陣增益有限,對干擾的抑制能不強,且不能空間小角域內的多個,影響了聲吶系統整體性能的發揮。
  7. 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

    提高雷達距離不但有利於在強雜波背景下的檢測,而且使成像成為可能。
  8. 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,對機場內進行距離成像、識別和軌跡跟蹤。
  9. 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的理論基礎,析了距離、速度與模糊函數之間的關系。
  10. 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,隨著集群識別、高微波成像雷達等技術研究的快速發展,超寬帶雷達在成像與識別領域得到了越來越廣泛的應用。
  11. 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

    陣列處理的高技術一直是國內外十關注的研究熱點,其中高定向技術是國內外集中量研究的重點,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。
  12. The relation of tthe ccd sensor imaging resolution and the mtf is gotten. when the mtf of space remote sensing camera is higher and the contrast of object is higher, it can be believed that the resolution of ccd sensor imaging is 1. 6 times of the pixel dimension, in the mean while the mtf decreases 32 %

    通過模擬得到了ccd探測器的影像的與ccd像元尺寸的關系,當航天光學遙感相機的mtf較高(模擬中鏡頭的mtf = 1 )且為高對比度時,得到ccd探測器的影像是其像元尺寸a的1 . 6倍,其光學調制度傳遞函數mtf下降32的結果。
  13. 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

    由於其天線波束始終照射同一場景,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。
  14. If the target has a radial acceleration, conventional 2d - fft based data processing method will lead to a doppler spread in doppler domain. the high resolution of doppler domain due to coherent integration no longer holds, which is very important in target detection of othr

    常規的二維fft處理在處理機動時往往由於存在徑向加速度而會在多普勒域造成多普勒擴展,從而無法應用相干積累帶來的多普勒域的高完成對的檢測。
  15. 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

    特別對于距離低的高頻雷達系統,其探測的通常近似為點,在經二維傅立葉變換得到的頻譜數據上呈現峰狀結構。
  16. In allusion to the characteristics of the information uncertainty during the sensor management process in fusion target recognition system, we proposed a sensor management method for target recognition based on discrimination

    摘要針對融合識別系統傳感器管理過程信息不確定性的特點,首次提出了一種基於識別系統中的傳感器管理方法。
  17. It is appropriate commonly that the resolution of ccd sensor imaging is 1. 8 times of the pixel dimension, in the mean while the mtf decreases 11 %, because the mtf is bigger, the other parts are easier to be made and the image shows the characterization of the object well. 2

    一般情況下取ccd探測器的影像是其像元尺寸的1 . 8倍較為適中,因為這時的mtf數值較大對系統的其它環節的指較小,且圖像較好地反映了圖形的特徵,此時其光學調制度傳遞函數mtf下降了11 。
  18. In chapter 4, firstly, the two - dimension scattering model of target under high resolution radar system is developed, the two dimension resolution rates are reviewed and coordinate transformation of data are discussed

    第四章在寬帶體制下,推導了多散射中心的二維頻域散射數學模型,析了二維結構成像的兩維和測量數據的坐變換。
  19. If the optical system with ccd sensor is regarded as a spatially invariant linear system, the convolution of point spread function and the object image results in error on theory. since ccd sensor imaging is digital imaging, in this article, the image quality and resolution of the ccd sensor imaging is simulated and analyzed

    鑒于ccd探測器成像是數字化成像,所以本文採用計算機模擬和ccd相機模擬成像試驗及理論析的方法對ccd探測器的影像的與ccd像元的關系及像質進行了研究並獲得如下主要結論。
  20. Under the the image motion and the sampling discrete conditions, the other more important result is : under the condition of engineering practice, the orientation between the target strip and the pixel row is parallel or not, the difference amount of mtf is smaller then 1 %, therefore in the engineering, the mtf of the orientation parallel can instead of the mtf of the corresponding case

    Ccd探測器的動態成像過程的另一個重要結論是:在工程實際條件下,條帶與ccd探測器的像元行方向平行與否的兩種情況ccd探測器影像的基於模擬實驗及計算機模擬的ccd航天相機影像的研究mtf相差小於1 % ,因此工程應用中可以考慮採用方向平行時的mtf作為相應情況下的mtf值。
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