視頻發射機 的英文怎麼說

中文拼音 [shìbīnfāshèjī]
視頻發射機 英文
video tra mitter
  • 視 : Ⅰ動詞1. （看） look at 2. （看待） regard; look upon 3. （考察） inspect; watch Ⅱ名詞（姓氏） a surname
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 發 : 名詞（頭發） hair
  • 射 : Ⅰ動詞1 （用推力或彈力送出） shoot; fire 2 （液體受到壓力迅速擠出） discharge in a jet 3 （放出） ...
  • 機 : machineengine
  • 視頻 : [物理學] video frequency （v f ）; vision frequency; visual frequency; video視頻變頻器[變換器] vi...
  1. Methods of measurement on receivers for television broadcast transmissions - part 2 : audio channels - general methods for monophonic channels

    電視廣播發射用接收機的測量方法.第2部分:音頻頻道.單頻道的一般方法
  2. ( 5 ) from august, 2002 to april, 2003, on the base of analyzing of 10kw valve tv transmitter of channel 14, chongqing tv transmitting station, brought forward process the solidification scheme to 400w valve power amplifier of the driver

    重慶大學碩士學位論文中文摘要（ 5 ） 2002年8月至2003年4月期間，在對重慶電視發射臺14頻道（ uhf ） 10kw電子管電視發射機進行研究分析的基礎上，提出了對該機末前級400w電子管功率放大器進行固態化改造的方案並予以實施。
  3. On the base of summarizing and reference to the achievement of uhf complete solid - state high - frequency power amplifier abroad, the author have made a deep research in uhf 10kw electron tube tv transmitter power amplifiers which are widely used inland, and asked for ideas of a lot of engineers of chongqing tv transmitting station, brought forward a practicable solidification scheme under the guidance of prof. gao chao and prof. guoyongcai, and made a successful practice at chongqing tv transmitting station

    筆者在總結和借鑒國內外有關uhf全固態電視發射機高頻線性功率放大器研究成果的基礎上，對目前國內電視發射臺普遍採用的uhf10kw電子管電視發射機高頻線性功率放大器進行了深入研究，並廣泛徵求重慶電視發射臺工程師的意見，在重慶大學高潮教授和郭永彩教授的指導下，提出了切實可行的固態化改造方案，並在重慶電視發射臺實踐成功。
  4. As the test signals of the trial will be transmitted via channels 35 and 37 ( never been used before to transmit television signals ), thus the television antenna systems using the said channels or the adjacent channels 34, 36 and 38 for other usages, such as the video cassette recorder ( vcr ) channel or closed circuit channel, might encounter interference during the said period

    是次測試使用的第35及37頻道，由於以往未有用作電視訊號發射，故任何電視天線系統如透過以上頻道或相鄰頻道（即34 、 36及38 ） ，作其他用途，例如用作錄影機播帶頻道，保安攝影機頻道等，將可能受到干擾。
  5. Firstly, this paper makes some analysis on wireless video tranfer system theoretically

    論文首先從理論上對該無線視頻發射機的設計進行了分析。
  6. As for the tv transmitter of uhf of which the power grade is above 10kw, the valve power amplifier such as the electron tube, klystron and iot are widely adopted in high - frequency linear power amplifier

    功率等級在10kw以上的uhf （特高頻）電視發射機，其高頻線性功率放大器普遍採用電子管、速調管、感應輸出管（ iot ）等電真空管放大器件。
  7. To compare with transistor ( complete solid - state ) high - frequency linear power amplifier, there are some disadvantages : bad stability and reliability, low efficiency, high cost for operating, huge cabinet, heavy maintenance work load, low security for high - voltage electricity offering, and to ensure the continuance of tv program, the transmitter must be operating with main frame and spare frame

    它們與晶體管（全固態）高頻線性功率放大器相比，存在著穩定性及可靠性差、效率低、運行費用高、發射機體積大、日常維護工作量大、高壓供電不安全、必須採用主機和備機的運行方式來確保電視節目不停播等缺點。
  8. The pentagon buys as much as four - fifths of its bandwidth from commercial satellite operators, and the launch of a new generation of military - communications satellites is unlikely to satisfy the demand for capacity, given the need to pipe full - motion video back from uavs

    為此，美國五角大樓從商業衛星運營商購買了五分之四的帶寬，而且只要我們仍需要把完全連貫的視頻資料從無人機傳輸到地面，新一代的軍用通信衛星的發射也不太可能滿足對帶寬能力的需求。
  9. This paper had did the most important work was the design of transciever and the construction of working environment, and also the video module and power amplifier module. at last, we did the measurement and debugging of total system, achieved anticipate target, satisfied the requirement of communication

    本文所做的主要工作在於發射機總體設計和工作環境的構建，發射機視頻模塊，調制模塊以及功率放大器模塊的設計，最後對系統進行了總體的調試，達到預期指標，滿足了要求。
  10. ( 2 ) made a research in the composing mode of the high - frequency linear power amplifier of uhf complete solid - state transmitter

    （ 2 ）對uhf全固態電視發射機高頻線性功率放大器的組成方式進行了研究。
  11. Pointed out that it is a very important subject to look for the advanced, high - efficiency, useable, stable, reliable high linear power amplifier of uhf tv transmitter by now

    指出：尋求先進、高效、實用、穩定、可靠的uhf電視發射機高頻線性功率放大器，至今仍是一個十分重要的技術課題。
  12. ( 4 ) specially made a research in the key technology of uhf complete solid - state high - frequency linear power amplifier : balancing transistor high - frequency linear power amplifier and the technology of 3db power integrating ( allocating )

    （ 4 ）重點研究了uhf全固態電視發射機高頻線性功率放大器的關鍵技術：平衡式晶體管高頻線性功率放大器以及3db功率合成（分配）技術。
  13. In these versions the automatic management of pay signals ( encoded ) is included, the management is carried out by processing a signal coming from the video modulator for the transmitters or through the rf / if converter for the repeaters

    在這些版本中，包括有給出信號的（信號編碼）自動管理，管理是通過處理信號來實現的，這信號是自針對發射機的視頻調節器來的，或是通過針對重復器的射頻/ if轉換器來的。
  14. Satellite signal receiver is the outcome of the development of the modern communication techniques, it has been widely used in many fields, such as satellite navigation 、 satellite television living broadcast and satellite digital broadcasting, etc. rf circuit is a very important part of the satellite signal receiver

    衛星接收機是現代通信技術發展的產物，已在衛星導航定位、衛星電視直播以及衛星數字廣播等領域中得到廣泛的應用。射頻電路是衛星接收機中一個非常重要的組成部分，它對接收到的微弱衛星信號進行放大與下變頻處理后輸出給後端的信號處理電路。
  15. A significant amount of power is used by the broadcast transmitter to send the sync pulse

    由於大量的功率被廣播發射機用來發送同步脈沖，一般將視頻信號的極性設計為在傳送同步信號降低功耗的方式。
  16. The main contents and creative results of the paper are given as follows : ( 1 ) introduced the special requirement of output power for tv transmitter, on condition that the wireless coverage of tv signal is achieved at uhf, analyzed the important meaning of the research in high frequency linear power amplifiers of uhf transmitter

    本文的主要研究內容和創造性成果如下： （ 1 ）介紹了在uhf波段實現電視信號無線覆蓋，對電視發射機輸出功率的特殊要求，分析了對uhf電視發射機高頻線性功率放大器進行研究的重要意義。
分享友人
分享到 Line

分享到臉書