載波電話系統 的英文怎麼說
中文拼音 [zǎibōdiànhuàxìtǒng]
載波電話系統
英文
carrier telephone system- 載 : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
- 波 : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 話 : Ⅰ名詞(說出來的能夠表達思想的聲音, 或者把這種聲音記錄下來的文字) word; talk Ⅱ動詞(說; 談) talk about; speak about
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 載波 : signal carrier; carrier wave; carrier: 3路載波 three channel carrier載波傳輸 carrier transmission...
- 電話 : 1. (電話裝置) telephone; phone; telephone system; telephony; [美俚] horn 2. (用電話裝置傳遞的話) phone call
- 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
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Telephony using amplitude modulation single sideband full carrier
單邊帶全載波調幅電話系統As a separate system, the system of statistics and analysis for the reliability of low - voltage user records reliability datum of every low - voltage user by gathering terminals, collects and deals with these datum with the technique of low - voltage power line carrier by lumped instrument. last, the datum in the lumped instrument are read in the database of the master station computer by telephone network
低壓用戶可靠性統計與分析系統作為獨立系統,以低壓臺區為單位,通過採集終端記錄每個低壓用戶的可靠性數據,再採用低壓載波由集中裝置對這些數據進行集中並處理,主站計算機以電話網路撥號的方式將集中器中的數據讀入數據庫。In the system, the low voltage power line is the first signal tunnel without any other relay equipments between customer terminal and substation collector, public telephone line serves as the second signal tunnel between substation and management center computer. as a breakthrough of conventional concept of electricity meter, this thesis initiate a new concept, namely, intelligent power customer terminal ( shortly, customer terminal ), which is developed with spread spectrum plc communication functional and possesses many advanced functions, such as, in addition to electric energy acquisition, guarding against electricity pilfering, preventing wrong connection, protecting malfunction, remote communication ( for example, remote power supply or halt, remote configuration of electricity meter, remote load control, etc ), and so on
本文首先系統地總結了目前國內外低壓電力網數據傳輸技術的研究現狀和存在的問題,在此基礎上,從理論上論證了在低壓電網上應用擴頻載波數據通信技術的可行性和優越性,並重點論述了擴頻載波技術抗電力線噪聲干擾的機埋;本文提出了一個新穎的基於低壓電力線擴頻載波通信技術的集中遠抄系統的總體方案,即由用戶終端、集中器和電能管理系統所組成的網路系統,其中,用戶終端到配變集中器用低壓電力線作為通道,中間無需其他硬體中繼設備,集中器到電能管理系統用公用電話網作為通道。Carrier communication over high voltage power line has been developing for near one hundred years. it has many applications for voice communication in power distribution, data collection from tele - control instrumentation, and so on. however, using power line within one transformer area to provide internet access is a just recent development
高壓電力線載波通信已有近百年的歷史,它在電力調度話音通信、電力系統遠動裝置數據採集等方面取得了卓有成效的應用,但是利用一個臺區的低壓電力線建立internet接入網是近幾年來國際上剛剛興起的技術。This paper introduced principally how to design infrared wireless net - jointed system, and expatiated the key parts in detail, such as infrared wireless communication, net - connection in lines, carrier wave in electric power line, and so on
本文重點介紹了如何設計紅外無線聯網系統,並對該系統的關鍵部分- - - -紅外無線通訊、電話線接入網及電力線載波做了詳細闡述。The communication technology of electric automatic system is discussed. it principally studies the technology of organizing nets, the communication technology of low pressure electric line and the technology of spread spectrum communication. it gives the project that power line carrier and direct sequence spread spectrum communication are combined with automatic dial - up passing modems for daqing automatic reading meter system
探討了電力自動抄表系統的通信技術,重點研究了組網技術,低壓電力線通信技術,擴頻通信技術,提出了在大慶電力自動抄表系統中利用公眾電話網通過數據機自動撥號、電力載波和無線直接序列擴頻通信相結合的數據傳輸方案。We manfucture cdma, gsm, phs base station antennas ; 800mhz trunking repeater digital antenna and indoor antennas ; wireless public telephone antennas ; the band antennas and microwave antennas
我公司生產終端天線(數字電視天線,車載娛樂系統天線,無線供話天線,網卡天線,手機天線) ; cdma , gsm , phs基站天線,室內信號分佈天線;微波天線等。分享友人