ground wave 中文意思是什麼

ground wave 解釋
【電學】地波。

  • ground : adj 碾碎了的，磨過的，磨成粉的。 ground and polished piston 【機械工程】研磨活塞。n 1 地，地面；...
  • wave : n 〈美海軍〉女志願軍人〈見 WAVES 條〉。n 1 波浪；碎浪； 〈the wave（s）〉 〈詩〉海。2 波動；波狀...
  1. When the primary air blast wave from the explosion strikes the ground, another blast wave is produced by reflection.

    當爆炸引起的入射沖擊波觸及地面時，由於波的反射便產生另一沖擊波。
  2. This paper has described the authors experience acquired in applying the ground - penetrating radar, rayleigh wave and dpt to examining weak groundsill in the subway tunnel, and also discussed the application conditions of these means as well as their merits and shortcoming

    摘要介紹了在地鐵隧道工程建設中使用探地雷達與瑞雷波法結合輕便動力觸探技術檢測軟弱地基的經驗和幾點認識，並討論了該勘察方法的應用條件和優點。
  3. Signal processor is a important part of high frequency ground wave over - the - horizon radar

    信號處理機是高頻地波超視距雷達的關鍵部件之一。
  4. In this project high frequency ground wave soft radar ( hfgwsr ) uses software radio technology to control radar functional mode

    本課題項目中的軟體高頻地波雷達利用軟體無線電技術，實現對雷達工作狀態的控制。
  5. During the near three decades, high - frequency ground wave radar detecting for sea has been regarded for its high performance by many countries

    近三十年來，高頻地波對海探測雷達因其本身所特有的優點而引起了許多國家的高度重視。
  6. Then, i design a new signal processor basing on the development of hardware and the signal process of high frequency ground wave over - the - horizon radar

    接著，根據當今數字信號處理器件的發展和高頻地波雷達的信號處理過程，提出信號處理機的系統設計方案。
  7. High frequency ground wave radar for near ocean inspection and ocean remote sensor is a method that use ocean echo wave dopier spectrum to deduce the parameters of ocean situation

    高頻地波雷達近海監測和海態遙感技術是一種利用海洋回波多普勒譜反演海態參數的方法。
  8. To the principle of single - station high - frequency ground wave detection radar, simple pulse wave was chosen, but this wave has many limitations, so continuous signal wave was preferred

    從雷達信號波形選擇來看，對于單站高頻地波超視距雷達體制，最初採用簡單脈沖波形。但這種波形存在著許多缺點，最終採用連續波信號體制。
  9. Based on the research mentioned above, the paper introduces the method of how to realize basal software, combing the processing of high frequency ground wave over - the - horizon radar signal and the capability of dsp

    在此基礎上，本論文又針對工程實現的具體要求，結合高頻地波超視距雷達信號的信號處理方法與dsp性能，敘述了信號處理機的基礎軟體編程的具體實現。
  10. Abstract : the more detailed mathematial derivation and analysis of watson transformation in diffraction theory of ground wave is made by two different method. in derivation necessary and approximate conditions requred to make the transformation are specially discussed

    文摘:採用兩種不同的方法對地波繞射理論中的瓦特松變換問題做了較詳細地數學推導，並著重討論了做瓦特松變換的要求的必要條件與近似條件。
  11. The dissertation aimed at designing a new signal processor basing on the development of hardware and the signal process of high frequency ground wave over - the - horizon radar. after that, basal signal software of dsp, a important part of processing card, is designed

    本課題目的就是根據當今數字信號處理器件的發展和高頻地波雷達的信號處理過程，提出信號處理機的系統設計方案，然後對其中信號處理板中的主要處理部件dsp進行基礎軟體的開發。
  12. High frequency radar is also a high frequency ground wave super resolution radar used on the seaside, and meantime it is one of projects of national 211 for building subject. this paper based on high frequency radar and modern signal processing describes the component of the high frequency radar on function and hardware. the signal that the radar system used mostly decides the capability and the complex of the radar

    雷達系統所用的信號體制、信號形式決定了在很大程度上決定了雷達的性能指標，雷達系統的復雜度，本文主要研究基於軟體高頻雷達的多體制信號的數字化產生與接收，目的在於產生一種或者多種能夠軟體高頻雷達所適用的信號，並且這種信號不會給小型化的系統處理帶來過高復雜性。
  13. This assumption is reasonably justified in the early stages, when the wave front is not far from ground zero.

    這種假定在初期階段波陣面離地面零點不遠時是相當合理的。
  14. Increased cloud also blocks the atmospheric window and returns additional long-wave radiation to the ground.

    雲的增加對大氣窗區也起著屏蔽作用，因而使額外的長波輻射返回地面。
  15. Computational methods of lw ground - wave transmission channels

    長波地波傳輸通道計算方法
  16. A number of these projects have influenced the development of the extreme sports milieu. a selection of these influential events includes : the eddie aikau big wave invitational series at waimea bay ; the ground - breaking 1995 quiksilver pro at g - land, indonesia, that put hardcore credibility back into professional surfing events the best surfers in the best waves ; the world amateur surfing championships at newquay england, 1986 ; the quiksilver snowboarding and surfing cup in europe ; the quiksilver roxy pro at sunset beach, north shore, oahu ; the quiksilver winter classic surf snow event ; the quiksilver mavericks big wave event ; the roxy surf jam at hanalei and ventura, the quiksilveredition molokai to oahu paddleboard race

    這些具有影響力的活動包括：在waimea灣舉行的eddie aikau big wave邀請賽系列1995年在印度尼西亞g - land舉行的極具震撼性的quiksilver職業賽，它將艱難的比賽環境重新置於職業沖浪活動中在最好的浪上誕生最好的沖浪手1986年在英格蘭newquay舉行的世界業余沖浪錦標賽歐洲的quiksilver滑雪和沖浪杯賽在瓦胡島北岸的日落沙灘舉行的quiksilver roxy職業賽quiksilver冬季古典沖浪滑雪活動quiksilver mavericks big wave比賽在哈納雷hanalei和文托拉ventura進行的roxy surf jam莫洛凱到瓦胡島的quiksilveredition槳葉式沖浪比賽。
  17. Based on the basic research, the hidden cavity was detected in changba lead - zinc mine with ground penetrate radar and rayleigh wave detector, and the detected result would provide technical support for safety mining

    分析了各自相應的適用條件，並綜合應用探地雷達法和瑞雷波法在廠壩鉛鋅礦進行了地下群采空區的現場探測，基本查明了試驗采場采空區的分佈情況，為后續的安全回採提供了技術支撐。
  18. The transfer of earthquake wave in ground soil is related to soil characteristic, excitation magnitude, etc. it is not always amplificatory, but likely to be filter and isolation

    表明地基土層對地震動的影響與場地土特性、地震動大小等有關，不一定是放大作用，也可能起濾波和隔震作用。
  19. The work presented in this paper is carrying out to the theory research of dbf. the work includes : research of dbf algorithms, dbf antenna system composition and realization. the application of dbf algorithms used in high frequency ground wave radar for near ocean inspection and ocean situation remote sensor is also presented. at last, we give a effective scheme to implement broad - band constant beamwidth digital beam - former

    本文的主要工作是圍繞數字波束形成技術的理論研究，內容包括：數字波束形成演算法的研究，數字波束形成天線的系統構成和實現，以及將數字波束形成演算法應用於高頻地波雷達近海監測和海態遙感，最後給出了一種寬帶恆定束寬數字波束形成器的設計方案。
  20. Combine with the project " hf ground wave radar supervise sea status " of state 863 project, retrieving wind direction from hf radar doppler spectrum and the showing of wind field, current field, wave field are researched in this paper. the problem of how to represent the sea surface parameters by computer is concerned, too

    本文結合863 - 818 - 01 - 02課題「高頻地波雷達海洋環境監測技術」 ，研究了由高頻雷達海面回波提取風向信息和海面風場、浪場、流場信息的計算機表徵方法及其數據傳輸反演和表徵的若干問題。
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