wide antenna 中文意思是什麼

wide antenna 解釋
寬帶天線
  • wide : adj （opp narrow）1 寬闊的。 2 廣闊的，廣大的，寬敞的。3 廣博的；范圍廣大的；廣泛的。4 遠離的；（...
  • antenna : n. （pl. -nae , antennas）1. 【動物；動物學】觸角。2. 【無線電】天線〈英國常用 aerial〉。
  1. The works of this paper are mainly about the study for ultra wide - band ( uwb ) signal radiating - designing for effective uwb antenna, and uwb signal scattering - investigating of composite scattering for targets upon ground. firstly, the radiating characters of uwb signal and development of uwb antenna are discussed an uwb planar horn antenna is designed this antenna is characterized with u - balun, simple construction and perfect performance

    本文的研究是「九五」國防預研「超寬帶（ uwb ）雷達體制及關鍵技術研究」項目工作的一部分，主要包括兩方面內容：超寬帶信號的輻射-高效超寬帶天線的研製；超寬帶信號的散射-地表目標的復合散射研究。
  2. Abstract : a new waveguide which can change the wide wall of a rectangular waveguide into a symmetric arc wall is named as a cam - rectangular waveguide. comparing to sectoral waveguide, the new waveguide has the same voltage characteristics and is easier to be produced and fixed. an approximate formula of the dominant mode fields and the normalized conductance of a longitudinal resonant slot cut in the curved wall of a cam - rectangular waveguide are given. a resonant slot linear array in c & x band is designed, in which the slot voltage distribution is equiphase and the input is matched. the input voltage stationary ware ratio and the h - plane pattern of the antenna are measured. the experimental results show the conformance with theoretical results

    文摘:把常用的矩形波導一個寬面改成圓弧形構成的波導稱為圓突-矩形波導.這種波導與扇面波導相比：電性能相當；波導管結構更加簡單，容易加工，便於安裝.文中給出圓突-矩形波導中主模場，圓曲面上縱向槽歸一化諧振電導近似公式.設計了c和x波段波導曲面縱向諧振縫隙線陣，縫隙電壓相位為同相分佈，輸入端匹配.實際測量了天線輸入端電壓駐波比和h面方向圖，理論與實驗相吻合
  3. 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
  4. The top image, a wide field x - ray view, reveals spectacular loops of hot gas spreading out from the southern part of the antenna into intergalactic space

    上圖是寬視場x射線照片，其中顯現的是壯觀的熱氣體環，從觸角星系的南側向外延伸至星系際空間。
  5. It has the characteristic of non - gear - box, large output torque, small volume, easy control, fast response, high track precision, high reliability etc. the system has potential advantages over substituting for traditional hydraulic or pneumatic missile actuator servo control system and has wide prospect in the fields of aerial actuator, servo valve, robot, radar antenna etc. the system ' s operation principle, control idea, functions and realization of each component are discussed in detail

    該系統在取代傳統的液壓、氣動導彈舵機伺服控制系統方面有很大潛力，同時在航空舵機、伺服閥，以及機器人關節的直接驅動、雷達天線等領域具有廣闊的應用前景。論文詳述了系統的工作原理與控制思想，以及系統方案的設計和各組成部分的功能與實現方法。
  6. The antenna system has a good characteristic with wide symmetrical beamwidth, broad impedance bandwidth and compact structure

    整個線性漸變槽天線系統具有對稱波瓣、寬頻帶、寬主瓣和結構緊湊等特點。
  7. The circular monopole ultra - wideband antenna has not only the extremely wide band in frequency domain, but also stable phase center, which makes the antenna radiate and receive the short pulse signals without any distortion, and suitable for various ultra - wideband communication systems or the single antenna of other multi - frequency operating communication systems

    這種天線不僅具有極寬的阻抗帶寬，還擁有穩定的相位中心。這使得圓盤單極超寬帶天線可以不失真地收發時域短脈沖信號。所以該天線不僅適用於超寬帶通信中，還能夠作為復雜多頻工作系統的單一收發天線。
  8. " the project aims to build a fixed spherical reflective antenna of 500 metres aperture at a bowl - shaped valley of some 500 metres wide in a mountainous area in guizhou and this reflective antenna will be named as " soft antenna "

    。這研究項目計劃在貴州山區中的一個開口500多米的碗狀山谷中，依附地形建造一口徑為500米的球面反射面固定天線，名為柔性的天線。
  9. Some novel electrically small antennas and wide band antennas such as hybrid loaded monopole, open - circuited transmission line loaded antenna and wire - taper antenna are designed according to these effective technologies found before

    設計了混合加載線天線、頂部套筒電小天線、線錐天線等幾種新型的小型化天線和寬帶化天線結構。
  10. Design of a wide band microstrip circle - slot antenna

    一種寬帶圓形縫隙天線的設計
  11. A new method to design a wide band microstrip slot antenna

    微帶縫隙天線實現寬帶的一種新設計
  12. The reflected wave will be received by the receive antenna and transferred to digital data. we can analyze the data that saved by the computer of gpr to deduce the medium ' s property, situation, location and so on. being a kind of nondestructive, untouched method, it has many advantages such as nondestructive, rapidness, simpleness and high precision, so it will have wide applications in the ways of examination, control and maintenance to road quality, especially for highway

    路用探地雷達是近幾年發展起來的、應用於公路無損檢測的一項新技術，它利用超寬帶脈沖電磁波對路面結構層進行探測，當雷達發射天線發射的電磁波在路面結構層中傳播時會在介電特性突變處產生反射和透射，反射回來的波經由接收天線接收並轉化為數字信號儲存起來，通過分析探地雷達回波信號來估計路面結構層的性質、狀態和位置等特徵。
  13. Design of active integrated antenna based on wide - band impedance model

    基於寬帶輸入阻抗模型的有源集成天線設計
  14. At this background, the miniature and wide band technology of antenna become more and more important. this dissertation mainly researches the ultra - wide band communication antennas and electrically small antennas

    本論文研究的主要內容是天線的寬帶化和小型化技術，對超寬帶電小天線的分析方法、寬帶化、小型化等關鍵技術以及實際天線的研製等方面進行了一些探索。
  15. Study of multi - band property of rectangular microstrip patch antenna having different numbers of wide slots

    具有不同寬槽數的矩形微帶貼片天線多帶特性研究
  16. I hae a project to elaborate small puppets of this material, as decorations for the antennas of the ehicles ( antenna balls ), but with aried designs and many of those designs are of my property, the ariety of the puppets is quite wide and if it is necessary, i can elaborate and to send you a sample in ceramic of each one of the puppets that i need to elaborate massiely in its appropriate size, with its appropriate colors and its respectie molds

    我方有計劃用這種材料做一些小木偶，這些木偶是用來裝飾車載天線的，但是這些木偶的種類相當的多，盡管我擁有許多種類的設計方案，所以如果有必要的話，我方可以生產並寄給你裝在陶瓷里的每一個樣品，我方需要按照適當的尺寸，與之相接近的顏色和不同的模型來大量的生產產品。
  17. I have a project to elaborate small puppets of this material, as decorations for the antennas of the vehicles ( antenna balls ), but with varied designs and many of those designs are of my property, the variety of the puppets is quite wide and if it is necessary, i can elaborate and to send you a sample in ceramic of each one of the puppets that i need to elaborate massively in its appropriate size, with its appropriate colors and its respective molds

    我方有計劃用這種材料做一些小木偶，這些木偶是用來裝飾車載天線的，但是這些木偶的種類相當的多，盡管我擁有許多種類的設計方案，所以如果有必要的話，我方可以生產並寄給你裝在陶瓷里的每一個樣品，我方需要按照適當的尺寸，與之相接近的顏色和不同的模型來大量的生產產品。
  18. The tenants enjoy a wide range of high - tech it and telecommunications services including internal private network, unified messaging system, wireless local area network wlan, satellite master antenna television system smatv and a wide range of shared business facilities such as video - conferencing and training rooms and exhibition venues

    租戶可享用數碼港內各項資訊科技及電訊設施，包括因特網私人網路（ internalprivatenetwork - ipn ） 、無線區域網路（ wirelesslocalareanetwork - wlan ） 、衛星共同天線系統（ satellitemasterantennatelevisionsystem - smatv ） ，及視像會議、培訓室及展覽廳等多元化的商業設施。
  19. The tenants enjoy a wide range of high - tech it and telecommunications services including internal private network ( ipn ), unified messaging system ( ums ), wireless local area network ( wlan ), satellite master antenna television system ( smatv ) and a wide range of shared business facilities such as video - conferencing and training rooms and exhibition venues

    租戶可享用數碼港內各項資訊科技及電訊設施，包括因特網私人網路（ internalprivatenetwork - ipn ） 、無線區域網路（ wirelesslocalareanetwork - wlan ） 、衛星共同天線系統（ satellitemasterantennatelevisionsystem - smatv ） ，及視像會議、培訓室及展覽廳等多元化的商業設施。
  20. This dissertation is mainly concerned about the radiation of the tem - horn arrays which radiate uwb ( ultra wideband ) pulse, it mainly involves three parts : theory, numerical stimulation and experiment. the uwb antenna is a new research field in the world which has many differences from nb ( narrow band ) antenna. the most difference is that the uwb antenna such as tem - horn radiates nanosecond pulse which has wide frequency spectrum, but the nb antenna radiates single frequency signal

    超寬帶天線是一項新興的研究領域，它與窄帶天線有很多不同之處，最根本的不同在於：超寬帶天線例如tem喇叭天線是輻射納秒級短脈沖信號，這種脈沖信號有很寬的頻譜；而窄帶天線大都是輻射單一頻率時諧信號的。
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