ship antenna 中文意思是什麼

ship antenna 解釋
船用天線
  • ship : n 1 船;大船;海船;艦〈作陰性看,代名詞用 she her〉。2 三桅船;全裝帆船。3 船形物。4 〈俚語〉賽...
  • 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. Through the reaserch of the paper, a satellite transmission and television signal incepting system using stabilization platform which is used on the moving carrier ( vehicle, boat, ship etc ) has been designed. it uses an embedded system which is based on arm7tdmi core microcontroller and c / os - ii real - time operating system to control and scout the movement of the antenna stabilization platform, can realize the real - timable and reasonable stance control of the antenna, and then can realize the real - time communications and the signal receiving between the satellite and the moving carrier

    3 .通過論文的研究,開發出了一種用於移動載體(車、船、艦等)上利用穩定平臺來進行衛星通信與電視信號接收的系統? ? 「動中通」移動載體衛星通信與電視接收系統。該系統採用基於arm7tdmi核微控制器和c / os - ii實時操作系統的嵌入式系統來控制天線穩定平臺的運動,可以實現對天線實時而合理的姿態控制,從而實現移動載體與衛星之間的實時通信和信號接收。
  2. On the river, the lake and the vast ocean, tv program can only be received by the satellite antenna. and so the ship industry and the oil platform urgently require this service on the ocean, that is the mobile satellite tv receiving system on the ship

    在內陸江河湖泊和寬廣無垠的海洋上,電視節目只能通過衛星接收和發送,船運業、海上石油勘測和鉆探等對船載移動衛星電視系統的需求十分迫切。
  3. 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」 。
  4. After analyzing compensation conditions for 3 - axis stabilization to overcome disturbance from ship surge, sway and yaw, two control strategies - feed - forward compensation and closed - loop feedback compensation - are given. these two strategies are applied to antenna stabilized tracking system with good performance. intelligent pid is used in closed - loop feedback compensation to get high tracking precision and rapid response

    重點分析了天線穩定控制系統的三軸補償條件,提出了穩定系統抑止載體擾動的控制策略:對于橫滾和俯仰系統採用前饋補償的控制策略;對于方位系統,在以步進電機為驅動元件的特定條件下,研究了變控制周期的閉環反饋策略,同時成功將智能pid演算法應用於實際系統,提高了系統的跟蹤精度和響應快速性。
  5. According to the particularity of the hfsw oht by ship, we have done research on a special electrically small antenna, crossed - field - antenna ( cfa )

    由於高頻地波艦載超視距雷達對天線有小型化、適裝性等各方面的特殊要求,我們對新型電小天線?交叉場天線cfa ( crossedfieldantenna )進行研究。
  6. Over - the - horizon radar ’ s beam - frequency is high frequency band and its wavelength is so long that the annate ’ s characters are very complicated when applicated on the ship. the character of coupling between cells and the environment must be measured to compensate in the radar signal process step. the ship - based over - the - horizon radar uses cfa ( crossed field antenna ) as array antennas ’ cell

    艦載超視距雷達使用高頻信號作為發射頻率,其波長較長,在艦船有限的空間內,陣列天線的陣元之間的耦合與陣元與背景之間耦合都十分嚴重,必須測量陣列天線通道的幅相一致性,作為雷達信號處理的補償參數。
  7. This paper took the auto - tracing system development of ship antenna as the background, studied the pose measure and control technique based on digital compass and gps combined sensor

    硬體是構成整個系統的物質基礎,合理地設計各種硬體元件,使之協調有效地工作,是保證整個系統成敗的關鍵之一。
  8. Technical requirement of communication antenna for naval ship

    艦船通信天線技術要求
  9. Now, the ship - borne antenna stabilized tracking system has achieved anticipated requirements

    系統調試表明,所研究的艦載天線穩定系統已達到預期的指標要求。
  10. In addition, this paper succeeful design a ship - borne antenna stabilized system, introduce the hardware design and debug process

    此外,本文還成功地設計了一套用於海上衛星通信的船載天線穩定跟蹤系統,詳細介紹了其硬體設計思想和調試過程。
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