雷達距離 的英文怎麼說

中文拼音 [léi]
雷達距離 英文
distance by radar
  • : 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
  • : Ⅰ動詞1 (暢通) extend 2 (達到) reach; attain; amount to 3 (通曉; 明白) understand thoroughly...
  • : 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...
  • 雷達 : [訊] radar (縮自 radio detection and ranging)
  • 距離 : 1 (相隔的長度) distance; range; gap; space; spacing; separation 2 (相距) be apart from; be aw...
  1. By using the processing method of sliding time window, the problem of the periodicity range ambiguity is solved. meanwhile, the problem of range ambiguity which is produced because the range of target is biger than the maximum range of radar is also solved by using this method. then, the pulse width parameter which is the most important in the parameters of fmicw is analyzed. the stricter restrict is given to ensure the range spectrum has only one beat frequency after signal processing. at last this thesis introduces the different signal processing methods of fmpcw and fmicw

    同時利用該方法解決了fmpcw信號的由於目標超過的最大單值測范圍而引起的模糊問題。然後對fmicw波形參數中最為重要的脈沖寬度進行了分析,給出了更為嚴格的約束條件,保證了信號處理后譜峰值的唯一性。最後,分別介紹了fmpcw和fmicw信號的不同處理方式,並對兩者不同的時域濾波性能進行了比較,並對二者的差異進行了分析。
  2. Range estimation of linear frequency modulation continuous wave radar

    線性調頻連續波估算
  3. 2. a frequency extrapolation scheme is developed to effectively predict radar cross section using floating genetic algorithm based on the geometrical theory of diffraction ( gtd ) model. the threshold discrete fourier transform ( tdft ) is introduced for the data compression in angle domain

    在目標散射中心建模方面,我們將浮點型遺傳演算法( fga )應用於實際人工目標的gtd模型參數的抽取,利用所抽取的模型參數完成了散射截面rcs的頻率擴展以及數據壓縮,並利用擴展的數據提高了解析度。
  4. Lfmcw radar adopts the receiver with the structure of “ homodyne - fourier ”, and acquires the range spectrum after its if signal is sampled, and then processed by ftt

    Lfmcw採用了「差拍-傅立葉」接收機結構,其回波中頻信號經數字採集后進行fft處理,從而獲得譜。
  5. Based on the model of safe following distance, the design blue print of system is presented in the text. using the multiple impulses horae rotate speed sensor to measure the vehicle speed and nanometer radar to measure the distance of own vehicle to frontal vehicle, and analyzing and judging collected information by at89c51 which is the control centre of the system

    本文在安全跟車模型的基礎上,提出了系統方案:採用霍爾多脈沖轉速傳感器測量汽車的速度,毫米波測量兩車的和相對速度,利用at89c51作為信息採集單元的控制中心,對各種信息進行分析判斷,當行車小於報警時啟動相關的報警單元。
  6. Here is the close - up view of the lidar equipment

    現在讓我們近看看激光儀器的外貌。
  7. Compared with the low range resolution ( lrr ), high range resolution ( hrr ) radar can supply more structure information of targets. it is one of the most important development directions in modern radar. hrr radar has much extensive application prospects in targets detection, targets imaging, targets identification and so on

    分辨較低分辨能提供更多的目標結構信息,是現代軍用裝備的重要發展方向之一,在目標檢測、目標成像和目標識別等方面有極其廣闊的應用前景。
  8. The laser radar sub - system determines the heights of the tsp according to the slant height and the oblique angle measured by the laser range finder and the electronic theodolite simultaneously. by lucubrating the motion law of tsp, we decided to compute decent velocities with least - squares procedure & two ranks curve fitting

    地面激光跟蹤測量分系統根據測量到的斜和俯仰角確定末敏彈傘彈系統的高度,在深入研究末敏彈穩態掃描過程的運動規律后,通過最小二乘法的二階分段曲線擬合,計算出落速。
  9. The character of radar system is restricted by parasitical am. to restrain parasitical am, a low pass filter is used in the if circuit. the result shows that the fmcw detecting range of the radar with the filter is greater than that without

    較大的vco寄生調幅對的作用有嚴重影響,對此,本文進行了分析,並提出了一種在中頻電路中用濾波電路進行抑制由寄生調幅帶來的于擾信號的方法。
  10. Because of the presence of the first - order sea echoes with dominant amplitude, the doppler resolution technique which based on the range - velocity transformation is needed to extract the targets information in hf radar

    高頻工作在擁擠的短波波段,由於絕對占優的一階海浪回波的存在,必須採用基於?速度譜變換的多普勒頻率分辨技術來處理雜波,以提取目標信息。
  11. Aiming at the self - estimation of threat to the sam system, and basing on the analysis of support distance of the target acquisition radar and operation efficiency of the system in three intercept sections, a distance - threat index and a type - threat index of the target are proposed, and a threat - estimation decision - making model is established, and a standard of fire - striking order in each section is put forward

    摘要針對地空導彈系統的威脅自動判斷問題,基於對目標指示保障以及三種攔截區間中系統作戰效能的分析,提出了目標威脅指數和目標類型威脅指數的概念,進而建立了一種連續型的威脅判斷決策模型,並給出了每個區間火力打擊的排序標準。
  12. Inverse aperture radar ( isar ) can image non - cooperative moving targets such as aircrafts, ships and celestial objects over a long distance under all weather and all day. it is of particular interest for strategic defense, anti - submarine warfare and radar astronomy

    逆合成孔徑( isar )能夠對飛機、艦艇、天體等非合作運動目標進行全天時、全天候、遠成像,在戰略防禦、反衛星、戰術武器以及天文學中都有重要應用價值。
  13. 4 a block diagram of phased array radar used which is used to measuring the distance, velocity and azimuth of the object in the horizontal plan and the highness in the vertical plane

    4給出了水平方向採用二維譜估計技術測、速度和方位,垂直方向採用波束掃描測高的小型車載相控陣系統框圖。
  14. To solve the problem of higher range sidelobe of phase - coded radar, the method of removing big power signals with fft _ ifft is presented in this paper

    針對相位編碼雷達距離旁瓣較高的問題,本文提出了fft _ ifft法去除大功率信號來抑制旁瓣。
  15. 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。
  16. 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,並在現代中廣泛應用。
  17. 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。
  18. Wide - band signal plays impotant part in improving the resolution in range domain, so the design of wide - band signal becomes an impotant technique during the modern radar development

    寬帶信號在提高雷達距離解析度方面發揮著關鍵的作用,寬帶信號源的設計成為現代設計中的一項重要技術。
  19. Based on the analysis of echo signal and ambiguity function of lfmcw radar, this dissertation advances new theories of lfmcw radar signal detection and estimation and eliminates range - velocity coupling using mtd - frequency domain pairing

    在對lfmcw回波信號和lfmcw模糊函數進行分析的基礎上,提出了lfmcw目標檢測與參數估計方法,並利用mtd -頻域配對法消除lfmcw雷達距離-速度耦合。
  20. Two common - used synthetic aperture radar imaging algorithms, range - doppler algorithm and chirp - scaling algorithm, have been analyzed and tested using compute simulation and real synthetic aperture radar data. one key issue of the synthetic aperture radar high resolution imaging is how to obtain sar image of high geometrical resolution

    在此基礎上,討論了合成孔徑雷達距離多普勒成像演算法以及chirp - scaling成像演算法,分析了各自的特點,對兩種成像演算法進行了計算機模擬實驗以及實際數據實驗驗證。
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