arrival direction 中文意思是什麼

arrival direction 解釋
到達方向
  • arrival : n. 1. 到達，抵達。2. 到達者；到達物。3. 出現，登場。4. 新生嬰兒。
  • direction : n. 1. 方位，方向；范圍，方面。2. 〈pl. 〉 指揮，指導；管理。3. 〈常 pl. 〉指示，命令，吩咐；用法說明。4. 導演；（樂隊）指揮。5. 寄發地址。6. 趨向，傾向。
  1. Casting a glance in the direction of the church before entering his home, he beheld standing by the vestry - door a group of girls, of ages between twelve and sixteen, apparently awaiting the arrival of some other one, who in a moment became visible ; a figure somewhat older than the school - girls, wearing a broad - brimmed hat and highly - starched cambric morning - gown, with a couple of books in her hand. clare knew her well

    他在進自己的家門之前，朝教堂的方向瞥了一眼，看見有一群女孩子站在小禮拜室的門口，年紀在十二歲到十六歲之間，顯然在那兒等候某個人的到來，不一會兒，那個人果然出現了看樣子她的年紀比那些女孩子的年紀都要大，戴一頂寬邊軟帽，穿一件漿洗得發硬的細紗長衫，手裡拿著兩本書。
  2. Abstract ： to obtain the high frequency ( hf ) array signals, an applied circuit called hf array signals generator is designed using dsp and duc ( digital up converter ). the generator simulates the generation of output signals of 9 - element arrays with different array format, different direction of arrival ( doa ) and existing cochannel signals respectively

    為了在實驗室中獲得短波天線陣列信號，應用dsp晶元和duc晶元（數字上變頻器）設計了一個實用電路短波陣列信號發生器，模擬實現了短波九元天線陣的多種陣型、不同來波方向及存在同頻多信號時的陣列輸出信號。
  3. The mission assignment between the multi - uav. to the multi - uav system, the main problem is the cooperative of multi - uav. this includes the coordination of the arrival time, the attacking direction and the tasks assignment

    對多無人機系統來說，最主要的問題是各無人機之間的「協調」問題，即多架無人機的航路（包括時間和攻擊方向等的限制）和任務的協調。
  4. Multi - user direction - of - arrival estimation in cyclic cumulant domain via spatial signature

    基於空間特徵的多用戶循環累量域波達方向估計演算法
  5. The acoustic pressure information and particle velocity information are used to study the direction of the arrival estimation by analyzing strong linear spectrum of the single target basing on cross spectrum method

    摘要利用矢量水聽器收集到的聲壓和振速信息，研究基於互譜法分析單目標的強線譜來進行目標方位估計。
  6. A new direction of arrival estimation method is proposed using a single vector hydrophone, which is composed of three spatially co - located but orthogonally oriented velocity hydrophone plus another co - located pressure hydrophone

    摘要提出了一種基於單個矢量水聽器的二維波達方向估計方法，該矢量水聽器由三個空間軸向垂直的振速水聽器和一個聲壓水聽器構成。
  7. The main researches of this dissertation are some algorithms for the estimation of direction of the signal ’ s arrival which are the critical technology of smart antenna

    本文研究的主要內容是智能天線中的關鍵技術之一，信號來波方向估計（ doa ）的幾類演算法。
  8. This article systematically compares two major types of beam - forming techniques in adaptive smart antennas for mobile communication systems, i. e., direction - of - arrival based beam - forming and reference signal based beam - forming

    系統地比較了移動通信系統中自適應智能天線的兩大類波束形成技術，即基於來波方向的波束形成和基於參考信號的波束形成。
  9. Mainly this paper discusses applying time - frequency analysis in several questions, including estimation of doppler parameter imaging of sar, detection of moving target and estimation of direction of arrival in array signal processing

    本文討論了時頻分析在合成孔徑雷達成像中的多普勒參數估計的應用、時頻分析在動目標檢測中的應用以及它在信源來波方向估計中的應用。
  10. In order to be applicable to practical underwater systems, several kinds of the blind beamforming algorithms were discussed in this thesis, and direction - of - arrival ( doa ) estimation based on bbf is also discussed

    針對水下聲系統的應用背景，本文對盲波束形成演算法做了系統的分析與討論，並對基於盲波束形成的目標波達方向估計進行了研究。
  11. A vector hydrophone is composed of two or three spatially co - located but orthogonally oriented velocity hydrophones plus another optional co - located pressure hydrophone. this paper introduces an underwater acoustic eigenstructure esprit - based algorithm that yields closed - form direction - of - arrival ( doa ) estimates using a single vector hydrophone

    矢量水聽器是由質點振速傳感器和聲壓傳感器復合而成的，相對于傳統的聲壓水聽器，可以獲取水下聲矢量信號，為水下信號的檢測和估計提供了更為豐富的聲場信息。
  12. In this paper, we use fft beam - - form technique to increase the number of beams and bearing deviation indicator ( bdi ) and sp1 it - - aperture corre1ation a1gorithms are used to estimate the time of arrival ( t0a ) and direction of arriva1 ( d0a )

    本文在分析借鑒國外資料的基礎上，研究了利用fft波束形成技術來增加波束形成數目，並應用bdi演算法和分裂孔徑相關法來完成對海底回波信號的時間和方向的聯合估計等相關技術對海試數據進行處理。
  13. Auto artillery fire direction system is the prerequisite and the material basis for the artillery troops to wage the future information warfare. along with the arrival of the information age, such system will play a more and more important role in hi - tech war

    炮兵指揮自動化系統是進行未來炮兵信息戰爭的前提和物質基礎，隨著信息時代的到來，炮兵指揮自動化系統在高科技戰爭中的地位越來越重要。
  14. Direction of arrival estimation of wide band sources with small array based on beam - space coherent signal - subspace method

    基於波束域相干信號子空間法的寬帶源小尺度基陣定向
  15. Second, since there are lots of redundant items in the fourth - order cumulant matrices, we introduce an algorithm of direction - of - arrival estimation based on the maximal set of nonredundant cumulant ( msnc )

    其次，由於利用四階累積量進行波達方向估計時計算量很大，文中提出了一種基於最大非冗餘累量集合的方向估計方法。
  16. A novel class of analysis tool in signal processing - higher - order statistics ( hos ) is presented in this thesis. we then use it along with the well - developed algorithms such as esprit and music in direction - of - arrival ( doa ) estimation

    本文介紹了信號處理中的一種新的分析工具? ?高階統計量，並與傳統的子寬間旋轉不變技術和多重信號分類技術相結合進行波達方向估計。
  17. High resolution array processing for direction - of - arrival estimation of underwater multiple targets by computer simulation method

    水下多目標定向高分辨陣列處理的計算機模擬方法研究
  18. The performance of beamspace high - resolution direction - of - arrival ( doa ) estimation is analyzed. a dense beamspace music ( dbmusic ) algorithm for the uniform linear array ( ula ) is proposed

    深入分析了波束域高分辨方位估計性能，捉出了一種基於均勻線列陣的密集波束域music （ dbmusic ）法。
  19. An approach for direction of arrival estimation of distributed sources induced by local scattering

    分散式信號源波達方向估計方法
  20. An estimation algorithm for the arrival direction of wideband signal

    一種寬帶信號方位估計演算法
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