窄波束 的英文怎麼說

中文拼音 [zhǎishù]
窄波束 英文
narrow beam窄波束天線 narrow beam antenna
  • : 形容詞1. (橫的距離小) narrow 2. (心胸不開朗; 氣量小) petty; narrow 3. (不寬裕) hard up; badly off; short of
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : Ⅰ動詞1 (捆; 系) bind; tie 2 (控制; 約束)control; restrain Ⅱ量詞(用於捆在一起的東西) bundle;...
  • 波束 : wave beam; beam; wave packet波束空間 [半] wave number space
  1. This article discussed ar modeling method, capon method, music method and mn method four kinds of high resolution algorithms principle and has separately made the computer simulation in the ideal situation to the above four algorithms. through the comparison, the beam width of high resolution algorithm is much narrower than conventional beamforming method. then unifies the actual utilization, discussed the influence of time delay unbalance, time domain sampling, plane wave supposition and array element with scope and phase not identically to the beamforming and made the computer simulation

    本文首先討論了ar模型法、 capon法、 music法和mn法四種高解析度演算法的原理,在理想的情況下分別對上述四種演算法作了計算機模擬,通過比較,高解析度演算法的寬比常規形成法得多;然後結合實際運用時的情況,重點探討了延時失配、時域抽樣、平面假設和基陣的幅相不一致對形成的影響並做了計算機模擬。
  2. To improve guidance accuracy the systems engineer will want the narrowest guidance beam possible.

    為了提高制導精度,系統設計人員希望使用盡可能的制導
  3. Parabolic antenna in a widely used is tracking antenna area, by use the optimum design, it may produce a very narrow beam, it ' s tracking precision is high, but because it ' s beam width is very narrow, the searching target is very difficult

    摘要拋物面天線是火控雷達中普遍使用的一種跟蹤天線,通過系統優化設計,可以形成很,所以其跟蹤精度很高,因為其,所以搜索發現目標困難。
  4. Smart antenna has been widely researched in communication and signal processing, the adaptive beamforming algorithm is the key technique of smart antenna. it could adaptively steer the array directional pattern to form the main narrow beams with high gain in the direction of the users " signals while deeply nulling the interference signals. it is an effective way to realize the optimal receiving of the interesting signals

    智能天線技術是目前通信和信號處理等領域的研究熱點,自適應形成演算法的研究是智能天線的一個關鍵技術,它能夠自適應地控制天線陣方向圖在用戶信號方向產生高增益窄波束,在干擾信號方向產生較深的零陷,是實現用戶信號最佳接收的有效方法。
  5. 1n thi s paper we bring forward a new p1an for array miniaturization using the p1ane phase - - contro11ed array can achieve both large covering width and narrow beamwidth

    本論文提出一種小型化的方案,採用平面相控陣可以實現大的覆蓋寬度和窄波束
  6. This paper mainly discusses the vital part discrimination of the near - field target by using target acoustic imaging method, which uses dense narrow beams based on high frequency system

    本論文主要研究了基於高頻體制下利用密集窄波束形成目標圖像,進行近場目標精確識別。
  7. If we tracked satellite by the tradition narrow beam antenna, that should caused the jumping tracking between multi - aircraft. that is difficult to achieve by the immense antenna boot and the follow - up system. using digital beam forming realize aircraft target tracking and controlling should be best means to resolve this problem

    隨著我國多星測控系統的發展,在一個測控站作用范圍內將出現多星,同時要求地面站對多星同時進行跟蹤測控;如果採用傳統的窄波束天線對目標進行跟蹤測控,必然導致天線在多個飛行器之間進行跳動跟蹤,這對于龐大的天線引導、伺服系統來說難以實現,採用數字對飛行器目標進行跟蹤測控是解決此問題的最好方法。
  8. A broadband high array gain beamforming scheme is developed, based on the narrowband optimal array gain processing procedure

    基於小間隔透聲圓陣的帶最佳陣增益處理,提出了一種寬帶高增益形成方案。
  9. Radar sets generally employ large antennas to produce narrow beams in much the same way as a search - light reflector

    通常雷達採用大型天線以產生狹窄波束,其方法基本上與探照燈反射鏡相似。
  10. In narrowband beamforming, the coefficient is correlative with frequency

    形成中,復權值的產生是同頻率相關的。
  11. A collinear acoustooptic - deflector of pronton - exchanged linbo3 channel wave - guide is studied. the theoretical analysis, structure design and device fabrication of linbo3 pronton - exchanged acoustooptic wave - guided deflector have been finished in this thesis. the width of wave - guide, the width, spacing, effective aperture and width of electrode of interdigital transduces have been theoretically analyzed and designed

    本論文研究了一種質子交換linbo3溝道導共線式聲光偏轉器,其特點是利用了溝道導的橫向約,限制了聲的發散和衍射效應,使得孔徑電極結構得以實現,從而增加了功率密度,使總的聲場驅動功率降低。
  12. Broadband source location method is investigated by using signal - phase - matching principle, and simulations and experiments are carried out to show the validity of the method ; two high resolution algorithms of broadband signals are proposed, which are the dft interpolation algorithm and the frequency invariant beam space algorithm. the proposed algorithms have no requirement for prior information of source locations, so the results of doa estimation can be unbiased ; a method of temporal - spatial averaging, which can improve the performance of doa estimation for uniform linear arrays, is given. this method can be applied in the most narrowband or broadband eigen - structure based high resolution algorithms

    提出了利用信號相位匹配法的寬帶信號方位估計方法並從模擬和實驗兩方面對其進行了驗證;提出了基於dft插值的和基於頻率不變響應域的兩種寬帶信號高分辨方位估計演算法,這兩種方法在進行方位估計時均不需要進行方位預估,從而避免了因角度預估可能帶來的估計偏差;最後提出了一種提高均勻線列陣方位估計性能的時空平均法,該方法可適用於多數帶或寬帶的特徵結構類高分辨方位估計演算法中。
  13. If the broadband signal is dealt with the narrow beam former, the serious disorder of the signal will be occurred

    如果簡單的用形成器處理寬帶信號,會使信號產生嚴重的畸變,這就提出了寬帶形成的問題。
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