雷電性能 的英文怎麼說

中文拼音 [léidiànxìngnéng]
雷電性能 英文
lightning performance
  • 雷 : 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
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 能 : 能名詞（姓氏） a surname
  • 雷電 : thunder and lightning雷電計 [氣象學] ceraunograph
  1. Mixers are the key components of many microwave and millimeter - wave systems. the super - heterodyne receiver is always applied in modern communication system, mixer becomes the key component as is at the first part of system. but it is more and more difficult to get the choiceness lo source of the same band with the system is working at high frequency especially in the millimeter - wave. sub - harmonic mixer is a good solution to this problem now. in this circuit we need just half 、 quarter 、 even 1 / 8 of the rf signal frequency. in this paper the design and fabricate of sub - harmonic hmic mixers ( 2, 4 ) at w - band are introduced

    混頻器是微波通信、射電天文學、雷達、等離子物理、遙控、遙感、電子對抗，以及許多微波測量系統中至關重要的部件。在現代通信系統中，毫米波頻段通常採用超外差接收機，混頻器作為第一級就成為關鍵部件。由於在毫米波頻段，同頻段高性能的本振源成本高，技術難度大，採用分諧波混頻技術是解決此問題的有效途徑，只需射頻頻率1 / 2 、 1 / 4甚至1 / 8的本振頻率即可實現混頻。
  2. The torpedo control system structure based on field bus technology has also been studied in this dissertation. presently, ccs is still widely used in the torpedo and there are many problems holdback the development of the torpedo control system, such as emi. by the introduction of the conception of " open bus system " to the torpedo control system, the performance of system can be improved greatly

    本文還研究了基於現場總線技術的魚雷制導系統結構，目前魚雷控制和自導系統仍然主要採用集中式控制結構，存在諸多困擾魚雷控制系統發展的問題（如電磁干擾等） ，在魚雷制導系統中引入開放式總線系統概念（即將現場總線引入魚雷制導系統中） ，可以極大地提高魚雷控制系統的性能，解決原先存在的許多問題。
  3. The metal oxide varistors ( mov ), as the core organ, made under japanese technology license. it have good response to steep front surge, excellent volt - amper characteristics and high discharge capability, which provides a very consistent protection merit at steep front surge, lightning surge and seitching surge, and enhances protective capability

    它具有良好的陡波響應能力、卓越的非線性伏安特性和巨大的通流容量，在尖頂波、操作波和雷電波下均有優異的保護能力，工作性能幾乎不受波形影響。
  4. This paper puts forward a method of fast, handy, no - destructive and effective testing which can be used to test the strength and geometrical dimension of subgrade abamurus using the method of earthquake wave velocity and gpr ( ground penetrating radar ). this method can be used to definite the dimension and strength of abamurus by determining some physical parameters ( such as elastic wave velocity and electromagnetic wave velocity etc, ) and by the correlation of these physical parameters with mortar flag stones

    本論文提出使用地震波速法和地質雷達法檢測路基擋墻的強度和幾何尺寸，是一種快速、簡便、無損、有效的檢測方法。此方法通過測定某些適當的物理量（如：彈性波速度、電磁波速度等） ，並通過這些物理量與漿砌片石的相關性，確定墻體的尺寸、強度等性能。
  5. Hydrometeors have dominant effect on the performance of systems operating at frequencies above loghz, and the remote sensing of hydrometeors is an important subject for radio propagation, radar meteorology and atmosphere physics etc. based on the physics characteristics of rainfall, fog and clouds, the propagation characteristics and remote sensing of hydrometeors are investigated and discussed

    水凝物是影響10ghz以上頻段系統性能的主要因素，它是電波傳播、雷達氣象、大氣物理和環境遙感等學科研究的重要對象。本文基於降雨和雲霧的基本物理特性，對降雨和雲霧的毫米波傳播特性、降雨和雲霧的遙感以及霧的紅外輻射衰減特性進行了分析和研究。
  6. Various factors that influence lightning strike switching rate are also analyzed. it has been showed that for some given configuration, all lightning over - voltages on substation equipments do not exceed the 1ightning strike insulation level in the case of invading waves out of lightning strike aerial input protection line

    同時利用規程法、行波法、擊距法對輸電線路中不同桿塔型號的耐雷性能分別進行了研究和比較，對影響輸電線路雷擊跳閘率的各種因素進行了分析。
  7. When radio waves pass through half of the first jump distance, the effects of meteor trails scattering on a radar system are investigated

    計算了電波經電離層跳躍前進的過程中，流星余跡散射對後向散射超視距雷達系統性能如作用距離和發現概率等的影響。
  8. Study on performance of anti - electrosatics of detonators

    工業電雷管抗靜電性能的研究
  9. Belonging to open structure airproof tie - in system of machine pressure, it is widely used for communication, network system, cabled t. v. of catv, the fiber optic cable by network, the direct and branch connect - ion, the body adopts the high and strong function engineering plastics, structure forerunner, legerity. have also dependable functions of airpr - oofing and endureing lightning strike

    屬于開啟式機械壓力密封接頭系統，廣泛用於通信網路系統， catv有線電視光纜網路系統，可直通分支，盒體採用高強性能工程塑料，結構先進，輕巧並具有可靠的密封性及抗雷擊性能，並適用於架空，管道，附桿及戶內等安裝。
  10. Belonging to open structure airproof tie - in system of machine pressure, it is widely used for communication, network system, cabled t. v. of catv, the fiber optic cable by network, the direct and branch connection, the body adopts the high and strong function engineering plastics, structure forerunner, legerity

    屬于開啟式機械壓力密封接頭系統，廣泛用於通信網路系統， catv有線電視光纜網路系統，可直通分支，盒體採用高強性能工程塑料，結構先進，輕巧並具有可靠的密封性及抗雷擊性能，並適用於架空，管道，附桿及戶內等安裝。
  11. The requirement of wide - range frequency and low loss tangent characters materials for advanced radomes were presented, and the progress in the research of polymer - matrix composites for radomes is summarized

    摘要介紹了先進雷達罩對罩體材料寬頻、低介電損耗值等電性能的要求，並綜述了用於雷達罩的聚合物基復合材料的研究進展。
  12. Finally, the reconstructed surfaces were used in computer aided visualization of electrical design of airborne radome. on contrary to the traditional way of computing the angles of incidence by solving the problem that where the ray of electromagnetic waves intersected with the surface of radome, our method can express the distribution of the value of the angle of incidence on airborne radome succinctly and efficiently

    最後將重塑曲面應用在某型飛機雷達罩電性能參數的計算機輔助可視化設計中，改進了原有方法通過雷達電磁波入射線同雷達罩表面曲面求交解方程獲得入射角的繁瑣設計方式，快速直觀有效地表達了入射角參數在雷達罩表面的分佈情況。
  13. Discussion is made on photocurrent output, injection current output and zero current output for photoreceiving pn junction by means of i - v equation of photoreceiving pn junction. further survey is carried out on physical elements of the injection photodetector followed by description of some experiment subjects

    本文推導金屬球的雷達散射截面，同時討論金屬球散射的三個區域，金屬球本身是一個良好的雷達目標，同時又是測量目標雷達截面的參考標準，因此還研究了金屬球的尺寸、導電性能和球殼的厚度，給出了測量結果
  14. Maritime navigation and radiocommunication equipment and systems - radar for craft not in compliance with imo solas chapter v. performance requirements methods of test and required test results

    海上導航和無線電通信設備和系統.與imo solas第v章不同的船用雷達.性能要求試驗方法和所要求的試驗結果
  15. Maritime navigation and radiocommunication equipment and systems - radar for craft not in compliance with imo solas chapter v - performance requirements, methods of test and required test results

    海上導航和無線電通信設備和系統.不與imo solas第v章相符的船用雷達.性能要求試驗方法和要求的試驗結果
  16. Maritime navigation and radiocommunication equipment and systems - radar - shipborne radar - performance requirements - methods of testing and required test results

    船舶導航和無線電通信設備和系統.雷達.船用雷達.性能要求.試驗方法和需要的試驗結果
  17. Abstract : thermal design of phased array antenna is always the key of phased array radar ' s design, it directly affects reliability and performance of radar

    文摘:相控陣雷達天線的熱設計，一直是相控陣雷達方案的關鍵，熱設計的成功與否將直接影響雷達的可靠性指標及電性能。
  18. Maritime navigation and radiocommunication equipment and systems - radar - radar with chart facilities - performance requirements - methods of testing and required test results

    船舶導航和無線電通信設備及系統.雷達.有海圖設備的雷達.性能要求.試驗方法和要求的試驗結果
  19. Maritime navigation and radiocommunication equipment and systems - radar - part 3 : radar with chart facilities ; performance requirements ; methods of test and required test results

    船舶導航和無線電通信設備及系統.雷達.第3部分:有海圖設備的雷達性能要求.試驗方法和要求的試驗結果
  20. Maritime navigation and radiocommunication equipment and systems - radar - part 3 : radar with chart facilities - performance requirements - methods of testing and required test results

    海上導航和無線電通信設備及系統.雷達.第3部分:有海圖設備的雷達.性能要求.試驗方法和要求的試驗結果
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