長線天線 的英文怎麼說

中文拼音 [zhǎngxiàntiānxiàn]
長線天線 英文
long wire antenna
  • 長 : 長Ⅰ形容詞1 （年紀較大） older; elder; senior 2 （排行最大） eldest; oldest Ⅱ名詞（領導人） chief;...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 長線 : long line長線產品 oversupplied products; goods in excess supply; long term oversupplied goods; pr...
  1. This has since been confirmed by russian sources ; the transmitter consists of two swept - frequency generators of sinusoidal voltage and two parallel horizontal grounded antennas, each about 60 km long

    這一點被來自俄方的消息所證實；發射機有兩個掃頻發生器，產生正弦波，同時有兩幅相互平行的水平地面天線，每個天線有60千米長。
  2. Bst - rr9201 is a type of long - range reader which is compatible with iso 15693. it can work with different antenna. the maximum identifying range can up to 120cm ; bst - rr9201 can connect to multiple antenna for lowing the application fund

    Bst - rr9201是一款符合iso15693標準的長距離讀寫設備，配合不同的天線，識別距離長達120cm bst - rr9201可同時連接多套天線，從而降低客戶的應用成本。
  3. Next i measured the length of the aerial to try to gauge the way it resonated.

    接著，我測量天線的長度，試圖查明共鳴的方法。
  4. The basic concept of siw is that it use the top and bottom layers of metal together with two row of vias is very small compared with wavelength, the dissipation loss of radiation is very small. it acts like a rectangular waveguide filled with some dielectrics, so components which can be composed by rectangular waveguide can also composed by siw such as antenna, filter, power divider, coupler, resonator

    基片集成波導的基本概念是利用基片的上下金屬板和兩排間隔一定距離的金屬孔構成波導的金屬壁，由於每排金屬孔孔間距遠小於波長，因此由縫隙泄漏的能量很小，這相當于內部填充了介質的矩形波導，所以能夠用矩形普通波導實現的結構也都可以用基片集成波導來實現，比如功分器、濾波器、天線、耦合器、振蕩器等。
  5. Thus, urban gas load forecasting is an important research. it is a very important research task to forecast city gas load, for one hand, it will affect the planning of city gas pipe network, on the other hand, it is connected to the investment benefits and security of entire natural gas pipelines, and it ’ s meaningful for urban gas optimizing attemperation and gas pipeline optimizing operation

    因此，預知燃氣負荷的大小也就是城市用氣系統的負荷預測是一項非常重要的研究課題，它不僅關繫到城市燃氣管網規劃，還關繫到整個天然氣長輸管線的投資效益和可靠性，對將來連接各城市的天然氣局域網路的優化調度和城市燃氣管網的優化運行都有十分重要的意義。
  6. Beverage is noted for his experimentation with long wire antennas and received a patent on the wave antenna on june 7, 1921 which is commonly referred to today as the beverage antenna

    貝威爾基於1921的6月7日憑著他著名實驗的長線天線來申請了波長天線專利，所以今天都指貝威爾基天線誕生於1921年6月7日。
  7. A new waveguide made of changing a wide wall of a rectangular waveguide to a uniform curved wall is called conformal waveguide. a kind of expression of approximate solution for domain mode of the new waveguide, including symmetric, unsymmetric arc, parabolic arch, hyperbolic arch, elliptic arch, etc., is constructed by using boundary condition of mental waveguide, variational method and boundary element method. by using the equivalence principle, an approximate calculating formula for equivalent resonant conductance of a narrow longitudinal halfwavelength slot cut in the curved wall of the unsymmetric arcrectangular waveguide is derived, and the result is shown. although this solution is approximate, it can solve the problem in designing the slotted antenna of such conformal waveguide

    把矩形波導一個寬面外突成均勻曲面構成的新波導統稱為共形波導.利用金屬波導邊界條件、變分法、邊界元素法構造這種新波導中主模場的一種近似解表達式，包括曲面橫截線為對稱、非對稱圓弧，拋物線弧，雙曲線弧，橢圓弧等.然後根據等效原理，推導非對稱圓弧矩形波導曲面上窄的縱向半波長縫隙的等效諧振電導的近似計算公式，給出計算曲線.這種解雖然是近似的，但卻能解決這類共形波導縫隙天線的工程設計
  8. The poynting vector that represent the flow of electromagnetic power density on a sphere from a linear dipole antenna is approximated by the summation of the field of segmented line current as hertz dipoles

    以赫芝偶極之電磁場合成任意長度偶極天線在球面上電磁功率密度流之時變玻因亭向量。
  9. He ' s a leftie baseliner so the idea was not to have long rallies, get on top of him early, which i did

    他是一個左手底線選手，所以我的主要想法是避免長的底線回合，盡早占據上風並結束這個球，今天我做到了。
  10. In this thesis, our work is focused on analyzing the effects of mutual coupling between elements of the thin dipole antenna array. the effects of mutual coupling on the antennas pattern synthesis and the amplitude - phase consistency of the input impedance of the uniformly - space liner array are presented. a new method that used the mutual coupling to synthesize the pattern is been given

    本文就是以此為出發點，將半波長細線對稱振子線天線陣作為研究對象，以分析天線陣列的互耦影響為核心，討論互耦對幾種方向圖綜合技術的影響，並從兩種不同的角度提出了對陣元互耦的校正方法。
  11. 3 the antenna has not been fully extended or properly adjusted

    盡量將天線拉長和調教天線方向。
  12. The antenna has not been fully extended or properly adjusted

    （ ３ ）盡量將天線拉長和調教天線方向。
  13. First, identify the constellation where the radiant lies. watch carefully the path of the meteors. if necessary, you can trace back the path as an imaginary straight line to see whether it intersects with the radiant

    首先在星空中找出輻射點所在位置的星座，留心那些流星在天空的軌道，看其延長線是否落在這個輻射點的天區上。
  14. Besides the second long - distance pipeline, expansion of dazhangtuo underground gas storage project and other new underground gas storage projects will be constructed as well

    建設天然氣進京第二條長輸管線工程、大張坨天然氣地下儲氣庫擴建工程及其他的天然氣地下儲氣庫工程。
  15. In the center of your heart and my heart there is a wireless station ; so long as it receives messages of beauty, hope, cheer, courage and power from men and from the infinite, so long are you young

    心中皆有一臺天線，只要你從人間接受美好、希望、歡樂、勇氣和力量的信號，你就青春永駐，韶華長存。
  16. 1550nm is chosen as the work wavelength, cassegrain transmitting - receiving antenna as the optical antenna of the system through the elucidation of how to choose the work wavelength and optical antenna of comm - unication system. the structure and theoretical design parameter of apt sub - system have been presented through the discussion of the optical signal power estimation of apt sub - system, beam divergence angle, pointing error, and error signal extraction. compared with existed optical wireless communication system, the design scheme proves applicable

    通過對通信系統工作波長選擇、光學天線選擇等闡述，選擇了1550nm作為系統工作波長、卡塞格倫（ cassegrain ）收發合一天線作為系統光學天線；通過對apt子系統功率測算、束散角和瞄準誤差、誤差提取信號等的討論，給出了apt子系統結構和理論設計指標，並將其與現有的光無線通信系統進行比較，說明該設計方案是可行的。
  17. There must be a marine casualty happened every 4 days before 1984, the amount of marine casualty happened at this area corresponds to 1 / 7 amount of the whole changjiang " marine casualty, so mariners gave it a name as " mouth of tiger ". due to the specific geographical condition and the extremely representative vessel traffic management of changjiang yingongzhou channel section, many intelligent people began researching and practicing the vessel traffic management of this changjiang " s down - stream complicated channel section from 1980s, at dec 15th 1984 the authority at that time - changjiang yingongzhou channel section previously ; up to the last years of 1980s ministry management administration applied traffic control on changjiang yingongzhou channel section previously, up to the last years of 1980s ministry of communications assigned shanghai marine college, shanghai ship & shipping research institute and changjiang harbor superintendence administration to make feasibility demonstrate about modern vts of zhenjiang traffic control section ; in 1990 dasha radar station which is the first radar vts station with inner river was finished, groped a new way for applying modern radar traffic control of vessel traffic management ; in 1997 the vtms of changjiang " s down - stream from nanjing to liuhekou was completed with connecting net and came into operation formally, meanwhile the signals of dasha radar station were conveyed to vts center by light cable, and then united applying vessel traffic management upon the whole authorized area ; in jun 2001 jiangsu msa made changjiang yingongzhou channel section as the first experimental group of creating " civilized, safe, passable channel activity, updating dasha radar antenna and receive - transmitter building closed - circuit television monitor system, setting uo safety warning board, starting navigational route reformation, carrying out united construction

    1984以前這里平均每四天就發生一起海損事故，事故數占整個長江的1 7 ，被行船人稱為「老虎口」 。長江尹公洲航段緣其極為特殊的地理區位條件和極具代表性的船舶交通管理，從上個世紀八十年代初就有識之士開始了這個長江下游最復雜航段的船舶交通管理探索和實踐。 1984年11月15日當時的長江航政管理局在長江尹公洲水域率先施行交通管制；到八十年代末交通部委託上海海運學院、上海船舶研究所和長江港監局聯合開展鎮江交通管制段建立現代化交管系統的可行性論證； 1990年大沙雷達站? ?內河第一座雷達交管站建成，摸索實施現代化雷達交管的船舶交通管理新途徑； 1997年長江下游南京至瀏河口船舶交通管理系統建成聯網投入正式運行，同時將大沙交管雷達信號通過光纜傳輸至交管中心，統一實施全轄區船舶交通管理； 2001年6月江蘇海事局將長江尹公洲航段作為第一批創建「文明平安暢通航段」活動試點航段，更新大沙雷達天線和收發機，著手閉路工業電視監控系統建設，設立安全警示牌，啟動航路改革，開展聯合「共建」 。
  18. The spot responder system which is the necessary part of ctcs is analyzed in the dissertation and three key technologies of the channel in the responder system are researched. firstly, a new kind of rectangular plate magnetic inductive loop antenna is designed to transmit the power frequency. researching the near field inter - inductive characters, the relationship among the inductive efficiency, the perimeter and the conductor width of the antenna is found out

    本文在對ctcs中的點式應答器系統原理及組成進行分析和消化的基礎上，對系統中通道的幾個關鍵技術進行了詳盡的研究，主要分為三個方面: 1 ，提出並研製了新型的片式環形磁感應天線，並對傳輸能量載波的天線的近場互感特性進行了分析，得到互感效率隨天線的周長大小以及導帶寬度的變化規律，並通過計算機模擬和試驗對天線的近場波瓣圖進行了研究;通過分析寬帶匹配技術中的實頻法理論，設計了信號載波天線的寬帶匹配網路。
  19. Loading different shapes of slots in the patches of antennas will cut off the original surface current and the current has to flow around the slots that make its route longer. this course is equally satisfactory in result of inserting cascade inductances in the equivalent circuit of antenna

    當在貼片表面開不同形式的槽或細縫時，切斷了原來的表面電流路徑，使電流繞槽邊曲折流過而路徑變長，在天線等效電路中相當于引入了級聯電感。
  20. When we analyze the characteristic of several wire antennas attached to an arbitrary faceted conducting body we must divide it into two cases. one is that the conducting body is electrically small, the mutual coupling and infection between the antennas and conducting body are very obvious. so we must model them precisely and the shape of the conducting body, the length and location of the antennas etc. are must be tak en into account

    金屬多面體上有多根線天線分兩種情況，一是金屬多面體是電小尺寸，此時，天線和金屬多面體都是屬于精細結構，天線之間的互耦以及金屬多面體對天線影響都非常明顯，所以金屬多面體的形狀以及天線的長短、位置等對計算的結果影響非常大，因此必須精確建模，把所有的因素考慮在內。
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