tv transmitter 中文意思是什麼
tv transmitter
解釋
電視發射機- tv : T. V. ＝ television
- transmitter : n 傳送者；傳達者；寄交者；傳導物；遺傳者；【無線電】發送機；發射機；發報機；送話機，話筒；【火箭...
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( 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。 -
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。 -
Fault analysis for poor picture definition of tv transmitter
電視發射機圖像清晰度差故障分析 -
Reliability experiment method for tv transmitter and transposer
電視發射機差轉機可靠性試驗方法 -
Small - size tv transmitter
小型電視發射機 -
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。 -
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。 -
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。 -
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。
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