雷達地平距離 的英文怎麼說

中文拼音 [léidepíng]
雷達地平距離 英文
radar horizon
  • : 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形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
  • : 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. 4. on the base of deep discussing about spaceborne sar operation, we present an approach to acquire the target location plane by satellite position and platform attitude, then to locate the target consistent with the earth surface curvature

    論文在深入研究星載實際工作狀況的基礎上,提出了一種由衛星位置和臺姿態獲得衛星與目標所在的定位面,再根據目標所在面的彎曲狀況以及衛星到目標的確定目標位置的方法。
  2. 1 ) the ground clutter is very strong when radar works in its down - look mode. 2 ) the clutter has the character of space - time coupling and the clutter spectrum spreads due to the movement of platform. 3 ) the lower repeat frequency results in doppler blur and the clutter spectrum spreads in the whole doppler domain

    面動目標檢測的最大難點: 1 )下視時雜波特別強; 2 )由於臺運動,雜波存在著空時耦合,雜波譜展寬; 3 )為避免模糊,採用較低的重復頻率,但會存在多普勒模糊,雜波譜擴散到整個多普勒域。
  3. Pulse compression effectively solves the contradiction between the range resolution and the average power of the radar, and is widely applied in modern radars

    而脈沖壓縮有效解決了分辨力與均功率之間的矛盾,並在現代中廣泛應用。
  4. Studied the cluster and background reduction algorithm and, proposed an enhanced adaptive step average method based on the amplitude of a - scan signal ; 2. improved the gpr data acquisition and processing software, some utilities have been added such as position wheel control program, data format translation etc. ; 3. implemented 3d targets imaging using mixed programming of matlab and visual c + + ; 4

    本文的主要工作如下: 1 .研究了探回波信號雜波及背景去除演算法,改進了一種基於a - scan信號強度的自適應滑動均法; 2 .改進並完善了探數據採集處理軟體,加入了定位輪控制數據採集、數據格式轉換、目標測定等程序; 3 .研究了探目標成像演算法,利用動態鏈接庫技術實現了在脫matlab環境下在visualc + +編寫的程序中調用matlab程序對目標進行三維成像的功能; 4 .參加外場實驗及項目驗收。
  5. In order to simulate the return, a radar coherent video echo model is used to simulate target echo, clutter and noise separately. then the three parts which are in the same range cell are added together to form a matrix to represent return in one radar coherent processing interval ( cpi ). this matrix is called a frame of range doppler data

    為了較為全面回波進行模擬,採用相干視頻回波模型分別模擬目標回波、雜波和噪聲,通過在單元內疊加的方法,將一個相干處理周期內的回波數據用一幀多普勒面數據表示。
  6. Some valuable conclusions are summarized by theoretical analysis and simulation experiments : from the side of signal processing, pulse jamming can be deleted by the method of time - domain sliding window accumulation and can be restored by interpolative prediction. ; gauss white nose can be attenuated while jamming disperse point - target by the method of time - frequency analysis in time - frequency domain. ; radio frequency noise jamming can be deleted by the method of average range frequency spectrum and notching in frequency domain

    通過大量的理論分析和模擬實驗,得到了一批具有一定價值的結論:從信號處理的角度出發,對于脈沖式干擾,能夠運用時域滑動窗口積累的方法去掉,並且通過預測插值得到較好的恢復;對于高斯白噪聲干擾,在時頻變換域內應用時頻分析方法可減小其對分散點目標的干擾;對于射頻噪聲,通過頻頻法和頻域陷波的方法可以去掉;從改變合成孔徑系統角度出發,類似雙基能夠避免各種干擾,對發射信號進行調幅,調相以及改變調頻斜率都是較好的抗干擾方法。
  7. In the paper, the gpr system developed by us employs several optimization techniques to enhance the system performances, including antenna, sampling - hold circuit, orientation wheel, function of system software, multithreading, and signal processing algorithms. as the result the system works more well with these techniques, and its azimuth and distance resolution of 10 cm has been achieved with detection depth of more than 50 cm. the main contents of this dissertation are summarized as following : 1

    本文根據探系統工作原理,在電子科技大學探系統樣機研製的基礎上採用了各種有效的優化技術,包括探測前端、采樣保持電路的優化,定位輪、目標定位、多線程技術的應用,數據採集處理和控制軟體功能的拓展、各種有效的信號預處理演算法的應用等,顯著提高了系統的探測性能和增強了探測效果,使得系統方位、解析度均到了10cm ,探測深度大於50cm ,其性能指標到國外先進水,為進一步的實用化奠定了重要的基礎。
  8. Agat claims that it is effective at ranges of up to 13 km against a target with a 5 m2 radar cross - section

    阿加特設計局聲稱這種導引頭可以有效在超過13公里的上對付截面積在5方米的目標。
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