antenna area 中文意思是什麼

antenna area 解釋
天線面積
  • antenna : n. （pl. -nae , antennas）1. 【動物；動物學】觸角。2. 【無線電】天線〈英國常用 aerial〉。
  • area : n. 1. 面積；平地；地面。2. 空地；〈英國〉地下室前的空地。3. 地區，地方；〈比喻〉區域；范圍。
  1. With the research development in antenna area, smart antenna, which could dynamically adjust antenna pattern in order to trace useful signals and suppress interference and noise, comes into researchers ’ sight

    隨著天線領域研究的進展，一種可以動態調整天線方向圖，有效跟蹤有用信號，抑制干擾和噪聲的天線系統? ?智能天線系統，進入了研究者的視野。
  2. Parabolic antenna in a widely used is tracking antenna area, by use the optimum design, it may produce a very narrow beam, it ' s tracking precision is high, but because it ' s beam width is very narrow, the searching target is very difficult

    摘要拋物面天線是火控雷達中普遍使用的一種跟蹤天線，通過系統優化設計，可以形成很窄的波束，所以其跟蹤精度很高，因為其波束很窄，所以搜索發現目標困難。
  3. The conventional sphere model of earth and circle model of orbit are discarded, and the ellipsoid model and the ellipse model are selected for further research, which achieves a method to determine the target position through the antenna pointing direction. and the spaceborne sar system design and simulation software is brought forth. this software accomplishes sar system coefficients design for antenna area, pulse repetition frequency, signal bandwidth, downlink data rate, radar transmitter power and satellite platform yaw steering

    本文從星載雷達的星地幾何關系入手，舍棄傳統星載合成孔徑雷達研究中的球地球模型和圓軌道模型，研究了在地球橢球模型和橢圓軌道模型下由雷達天線確定目標坐標的方法，並在此基礎上研製了星載合成孔徑雷達系統設計與模擬軟體，完成雷達系統天線尺寸、脈沖重復頻率、信號帶寬、雷達信號數據率、雷達發射功率、衛星平臺的偏航牽引等幾個方面的系統參數設計以及雷達多普勒特性、雷達系統模糊、雷達定位及精度的分析，最後完成雷達回波信號的模擬。
  4. In accordance with the smart antenna algorithm, the antenna power can be effectively concentrated to offer a larger coverage area and better anti - interference capability

    配合基頻訊號之智慧型演演算法則，使天線功率有效集中至用戶端，以增加系統之涵蓋范圍，並提高其抗干擾能力。
  5. Single beam focusing lens antenna is the basis and crux of the multiple beam focusing horn lens antenna. only adequately and accurately analyzing focal area ’ s position and resolution, consider the influence when horn feed ’ s position is displaced to different location, we can design multiple beam focusing horn lens antenna

    單波束點聚焦透鏡天線是多波束聚焦透鏡天線的基礎和關鍵，只有充分精確地分析了單波束點聚焦透鏡天線解析度大小和焦斑位置，以及單個波束的偏移產生的相應影響，才能設計多波束聚焦透鏡天線。
  6. Beam riding systems use a target tracker whose purpose is to maintain the antenna boresight pointing at the centre of the reflecting area of the target.

    波束制導系統使用一個目標跟蹤裝置，它的目的是保持天線視軸指向目標反射的中心。
  7. 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」 。
  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. A. although at each depot radio power is limited to covering only the depot area and the range of the antenna is restricted to the depot, radio signals often carry to other depots. as all depots use the same frequencies, operations are sometimes affected

    1 .機廠部分雖然要求盡量把功率限制在該處機廠機廠之范圍，且天線之輻射范圍也盡量局限在該機廠，唯不該有之訊號總會傳送至別處機廠，由於機廠都共用相同頻道，因此會造成操作上之困擾。
  10. As the important component to lengthen the communication distance and enlarge the covering area of wlan, the power amplifier ( pa ) and antenna functions with more and more significance

    隨著wlan的廣泛應用，作為增加wlan通信距離、增大wlan覆蓋范圍的重要的高頻部件? ?雙向功放和天線的作用越來越重要。
  11. 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。
  12. 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。
  13. This paper researches the integrating application of adaptive antenna array technology, spread - spectrum communication technology and transform - domain filter technology in shortwave communication area, basing on the background of improving on the shortwave communication equipments being used in chinese army, and all the key techniques mentioned above are implemented in a single fpga chip

    本文以改造我軍現役短波通信設備為背景，研究了自適應天線陣技術、擴頻通信技術、變換域濾波技術等多種現代數字信號處理技術在短波通信中的綜合應用，並以單片超大規模fpga晶元為硬體處理平臺，對系統中的關鍵技術進行了設計與實現。
  14. The desktop reader is one high efficiency reader which is specially developed by best technology company. the reader uses the big area antenna, and has wide and big radial reading range. the product is suitable for high efficiency reading or writing

    臺式寫密儀是倍思得公司專為高效讀寫電子標簽而開發的一款讀寫器，讀寫器使用大面積的天線傳感器，擁有寬距離以及大半徑的讀卡面積，適合對讀寫性能要求高及批量讀寫卡的應用。
  15. The desk encryption device is one high efficiency reader which is specially developed by best technology company. the reader uses the big area antenna, and has wide and big radial reading range. the product is suitable for high efficiency reading or writing

    小臺式寫密儀是倍思得公司專為高效讀寫電子標簽而開發的一款讀寫器，讀寫器使用大面積的天線傳感器，擁有寬距離以及大半徑的讀卡面積，適合對讀寫性能要求高及批量讀寫卡的應用。
  16. In the circumstances of the te11 mode mixed with the given parasite modes, the errors from the practically used directivity can be corrected with the calculated difference between dh and d. the effective area of the receiving antenna is calculated with the established models, and measured at some points in the given frequency range

    在已知混入te11模式中雜模成份及其比例的情況下，可以通過計算出dh與d的差值，對採用的方向性系數進行誤差修正。通過建立相應模型，對接收喇叭的有效面積進行了計算，並在部分頻率點上進行了實測。
  17. Presented in this paper is the investigation of some problems existing in the far - field method widely used in hpm measurement. first, the errors are analyzed from the practical calculation of the directivity for the radiation of the te11 mode in the circular waveguide. secondly, the results obtained from simulation and experiments are compared with each other on the effective area of the receiving antenna of certain types, and the power capacity are calculated for these antenna

    首先，對圓波導te11主模輻射方向性系數實際計算中存在的誤差進行了分析;其次，對一些型號的接收喇叭有效面積進行了模擬和實測對比，並通過計算給出了這些型號的接收喇叭的功率容量;最後，實驗測定了微波脈寬對一些微波器件? ?同軸型檢波器、同軸型衰減器及微波電纜性能的影響。
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