secondary radar 中文意思是什麼

secondary radar 解釋
次級雷達
  • secondary : adj 1 第二（位）的，第二次的；中級的 （opp primary）。2 副（的）；從屬的；附屬的；輔助的；補充的...
  • radar : n 〈美國〉【無線電】 〈radio detecting and ranging 之略〉 雷達，無線電探測器 （＝〈英國〉 radiolo...
  1. Additional trials on aeronautical telecommunication network ( atn ), surface movement guidance and control system ( smgcs ), electronic flight strips ( efs ), secondary surveillance radar mode s data link and very high frequency data link ( vdl ) are planned for this year

    此外，有關航空通訊網路、地面活動引領管制系統、電子飛行紙條、 s模式的二次監察雷達數據鏈路和甚高頻數據鏈路的進一步試行運作，亦計劃在本年進行。
  2. In order to detect the bottom thickness, cavity, leak and deformation of steel meshes in secondary lining of concrete in tunnel construction, the authors evaluate the wave character and the detected result in the second lining of the tunnel using surveying radar technology and conclude the wave character in the tunnel lining which has mass defect and tested the accuracy and reliability of this technique

    摘要為檢明隧道混凝土二次襯砌中的底界厚度、空洞、漏水、鋼筋網變形等質量問題，利用探地雷達技術，通過對檢測方法及工程檢測實驗的研究，進行隧道二次襯砌中雷達波形特徵參數及檢測結果評價，總結了隧道襯砌質量問題的雷達波形特徵，驗證檢測方法的精度和可靠性。
  3. To compensate centimeter wave ' s shorting comings such as broad beam and short effective range, a transponder is added in the back of target automotive. this secondary radar measures range in the way of transponding

    為了彌補厘米波波束大、作用距離不如毫米波的缺點，系統在目標車輛的尾部增加了一級轉發器，以雙機應答的方式測量車距。
  4. The prm is basically a monopulse secondary surveillance radar ( mssr ) that employs electronically - scanned antennas configured in a circular array

    精密跑道監系統基本上屬單脈沖二次監察雷達，但採用排列成形的電子掃描天線。
  5. Technical standards for atc secondary surveillance radar

    空中交通管制二次監視雷達設備技術規范
  6. General specification of secondary surveillance radar for air traffic control

    空中交通管制二次監視雷達通用技術條件
  7. The goal is to design a digital receiver used in secondary surveillance radar system

    具體目標是設計應用於航空管制的二次雷達數字化接收機，實現對機載應答器應答信號的正確解調。
  8. Focused on the realization in engineering practice, this paper discussed automotive anticollision radar ' s function requirement, working principle and system design. through summarizing and analysis of its research and development, the paper proposes a new type of secondary centimeter wave automotive anticollision radar that applied on the expressway

    本文以現有技術的可實現性為出發點，討論了汽車防撞雷達的性能要求、工作原理和總體設計等相關問題，總結了國內外汽車防撞雷達的研發狀況，在此基礎上設計了一種應用於高速公路上的應答式厘米波汽車防撞預警雷達。
  9. Upgrade of route secondary surveillance radar rssr at mount parker to mode s capability

    把柏架山的航線二次監察雷達提升至s模式操作
  10. Leasing of secondary surveillance radar and very high frequency 7. communications facilities at xisha

    租用在西沙設置的二次監察雷達及甚高頻通訊系統。
  11. In the same year, air traffic management was enhanced by the introduction of secondary surveillance radar

    同年，機場開始採用二次監察雷達，加強管制航空交通。
  12. Secondary surveillance radar ( ssr ) is a key equipment in air traffic control ( atc ) and military identification friend or foe ( iff ), ssr is a hot issue in radar signal processing

    二次雷達ssr （ secondarysurveillanceradar ）是民航空中管制（ airtrafficcontrol ）和軍事敵我識別（ identificationfriendorfoe ）系統中的關鍵部分，是國內外雷達信號處理領域的研究熱點。
  13. A single correction method is provided, that is, based on the height finding value of the primary radar and the height finding value of the secondary radar, the paper calculates the adjustment quantity of the antenna beam direction, micro - adjusts the arrary of antenna, and so that it improves the accuracy of height finding

    並提出了一種簡單易行的修正方法，即根據一次雷達的測高值和二次雷達的測高值計算出天線波束指向的調整量，對天線陣面波束指向進行微調，從而提高了測高精度。
  14. This thesis pass through the laser delimitation instrument and the geological radar instrument means, to tunnel initial stages support and secondary structure. at past the research of tunnel lining thickness depend on opening dig figure, don " t consider the effect of tunnel lining inner figure. adopting the integrate method of the laser delimitation instrument and the geological radar could most exact reflect the change rule of tunnel lining thickness, but also could do lots unbroken examination, have very important for summing - up the rule of tunnel lining thickness change, and have very amplitude extend value

    本文通過激光限界儀和地質雷達綜合方法，對新建高速公路隧道初期支護和二次襯砌混凝土內輪廓和厚度進行了檢測，對襯砌厚度的分佈規律以往的研究中，多以開挖和襯砌的輪廓變化為依據，並未考慮襯砌內輪廓的影響，而採用激光斷面輪廓限界儀和地質雷達綜合方法能較為準確的反應襯砌厚度的變化規律，並且能夠無破損的做大量的檢測工作，為總結混凝土厚度的規律有很大作用，並有極大的推廣價值。
  15. A short range psr is installed at sha chau to detect aircraft operating within the approach and departure areas of the hkia. secondary surveillance radar ( ssr )

    一臺短程的一次雷達已安裝于沙洲，用以探測機場進場及離場范圍內的飛機。
  16. In the surveillance system of cns / atm, secondary surveillance radar ( ssr ) is used in busy air space, and automatic dependent surveillance ( ads ) is used in other air spaces. ssr and ads can also be integrated. and ads can improve the efficiency of air space in the areas of ocean and desert where there is less flight route and large separation between aircrafts

    在新航行系統的監視系統中，主要發展雷達監視和自動相關監視，在繁忙空域採用二次雷達監視，其它空域採用自動相關監視，並且可以實現二者的數據耦合；通過自動相關監視，可以克服海洋、荒漠空域航線少，飛機間隔大的缺點，提高空域利用率。
  17. This thesis introduces the elementary concept, evolutive history, working flow and operational principle of secondary surveillance radar and the systemic principle of monopulse secondary surveillance radar. then recommend the structrue and elements of actel ’ fpga and the development and design of fpga based on vhdl. the new responder can detect the video pulse signal upon 100mv and deal with 40 real planes in real time. it also can identify the responding signal of mode a / c and mode 6 and can be swithed freely from one mode to another according to the mode information and transmit the report table of corresponding mode

    本論文介紹二次雷達的基本概念、發展歷史、工作流程、運作機理以及單脈沖二次雷達的系統原理。重點介紹了actel公司fpga的結構、原理以及fpga的vhdl實現。本文介紹的mssr應答信號處理器，可以檢測大於100mv的視頻信號，實時處理40個真實目標，並且支持模式ac和模式6應答信號，處理過程中可以根據模式指示信號在兩種模式下任意切換，送出相應模式的報表。
  18. A radar data extractor is a piece of equipment that transforms video outputs of primary radar or secondary radar into digital tracking information of high quality

    這是一種把一次雷達和二次雷達的視頻輸出變換成高質量、數字式目標航跡信息的雷達數據錄取設備。
  19. The rdpds processes the radar data from various primary and secondary radars to present the aircraft position and its related information, e. g. aircraft callsign, altitude, ground speed, aircraft category, etc. on the radar display

    雷達數據處理及顯示系統可以處理來自不同的一次及二次雷達的數據，然後在屏幕上顯示航機的位置及其有關的資料，包括航機的代號、高度、速度、飛機種類等。
  20. Service charges for use of the very high frequency communications facilities and secondary surveillance radar data to enhance safety and improve operational efficiency

    租用甚高頻通訊設備及二次監察雷達數據的服務費用以加強飛行安全及運作效率
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