電視通信線路 的英文怎麼說
中文拼音 [diànshìtōngxìnxiànlù]
電視通信線路
英文
television link- 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...
- 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
- 通 : 通量詞(用於動作)
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 電視 : television; t. v. ; teevee
- 通信 : communication; communicate by letter; correspond
- 線路 : 1. [電學] circuit; line 2. [交通運輸] line; route
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Cas ( communication automation system ) includes cabling system, broadband netw - ork system, mobile phone coverage system, cable tv and digital communication system
Cas通信自動化系統,綜合布線、寬頻網路、移動電話樓內覆蓋系統、有線電視及數字程式控制電話系統。Telephone, television and computer network merging in one is an inevitable trend as communication technology developing
電話、電視、計算機網路三網合一是現代有線通信技術的發展趨勢。Analog and digital satellite tv signal will be modulated and transmitted to the vod box and tv set through cable network
衛星電視接收系統先對模擬和數字衛星電視信號進行調制,並通過有線電視網路,將調制后的信號傳送到視頻點播機和電視機。5. in the background of the design and implementation of network management system for the local network of china mobile, we have analyzed and designed detailedly the key technique, approach and software architecture of a practical network management system based on starbus, which use mhnm architecture, the scheme of managed objects arrangement, saa, gpa and practical skills achieved when we developed china post and china broadcast and tv network management systems. in the end, we summarize the main achievement of this paper and state some further work in the future
5 .以中國移動通信網本地網網管系統設計為背景,以我們先後開發中國移動通信網本地網網管系統、廣電有線電視傳輸網網管系統和郵政網網管系統的實踐為基礎,結合多級網路管理體系結構ml江nm 、管理信息的組織策略、提取管理信息的自適應演算法saa和組預取演算法gpa ,在基於corba的分佈計算軟體平臺starbus上,詳細分析了基於corba技術實現實用的異構網管系統集成管理的關鍵技術、途徑和軟體結構。The main products include : aluminum - cored and copper - cored polyvinyl chloride insolating wires, protecting wires, rubber wires, alumina gel wires, steel - cored alumina gel wires, prefabricated cables, power cables, controlling cables, cross sky cables, communication cables, signal cables, burn - preventing wires and cables, computer internet wires, vehicle - used low pressure cables and wires. television cables etc. all the products are being produced according to the national standard and ministry. all the cables series have gained the national producing license for industrial products, and the other products have obtained national mandatory 3c authentication
公司專業生產各種「寶炬」牌電線電纜,主要產品有:鋁芯銅芯聚氯乙烯絕緣電線護套線膠質線鋁絞線鋼芯鋁交線預制分支電纜電力電纜控制電纜交聯架空電纜交聯塑力電纜通訊電纜信號電纜阻燃電線電纜電腦網路線公路車輛用低壓電纜電線電視電纜等,各類產品均按有關的國際部際進行生產,電纜系列均獲得全國工業產品生產許可證,其它主導產品亦獲國家強制性3c認證。Fifth, a monitoring center for guarantee of apec communications was set up to undertake round - the - clock real - time supervision, which included supervision of traffic flowing in exchanges that were installed in all meeting venues and key hotels ; supervision on tv signals ; supervision on the running of 82001 equipment ; supervision on the traffic of the shanghai internet node ; supervision on the traffic of the apec mirror site on shanghai hotline ; supervision on the status of the cdpd equipment ; supervision on the status of the adsl equipment and supervision on the status of the atm equipment
第五,建立apec通信保障監控中心,實施2 4小時實時監控。包括對各場館、重要賓館交換設備的話務監測;電視信號監測; 82001設備運行情況監測;網際網路上海節點的流量監測;上海熱線apec鏡像網站的流量監測; cdpd設備運行情況監測; adsl設備運行情況監測; atm設備運行情況監測,形成了一個縱觀全局的指揮平臺。A scheme that to use digitalized catv signals in some inner areas while to use microwaves in some areas for where with no probability using the cable network, which is an extraordinary perfect transition measure, efficiency, economy and a shortcut, before the digital television terrestrial broadcasting standards come into practice
廣播電視部門在地面廣播標準尚未出臺、直播衛星也未開通以前,採用有線電視的標準,利用有線電視數字電視信號,通過微波在有線網路之外進行無線補充覆蓋,高效、經濟、快捷,是一個非常理想的過渡辦法。The long - awaited day of fast, cheap bandwidth to the home and small office appears to be just around the corner as phone companies and cable companies scramble to deliver high - speed, low - cost telecommunications, running any of a slew of digital subscriber link ( dsl ) technologies and fiber / coaxial cable hybrids up to your front door
人們等待已久的、快速廉價的帶寬線路接進家庭和小型辦公室的日子,看來為期不遠了,因為電話公司和有線電視公司爭相要把高速、低價的通信線路送到你的大門上,這些線路採用數字用戶線( dsl )技術中的任何一種和光纜/同軸電纜混合線路的形式。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」 。It is most extensively used lines of communication to public switched telephone network ( pstn ), hence the video surveillance system based on pstn possesses widespread application prospects
公共電話交換網( pstn )是最廣泛使用的通信線路,因此在pstn線路上傳輸視頻具有廣闊的應用前景。In this special task, shanghai telecom provided in total 2, 540 telephone lines, more than 50 private lines for government and media use, 72 fiber cores, 982 adsl ports and 107 isdn ports. 13 sets of satellite antennas were employed ( including 5 emergency sets and 10 leased satellites ), tv signal transmission amounted to 355 times with an overall transmission length of 8, 716 minutes. all the 150 news booths were provided with 8 information points ( 4 internet jackets and 4 phone jackets )
上海電信在這次通信服務中,共提供電話線2540條,政府和媒體專線50多條,光纖72芯, adsl網路埠982個, isdn埠107個;啟用13付衛星天線(其中機動衛星天線5付、租用10顆衛星) ;傳送電視355次,總傳送時長8716分鐘; 150間新聞工作間每間都提供8個信息點( 4個上網通道、 4個電話通道) ; 1000cm2的新聞工作大廳安裝了400個終端。Pile ng examination of the system based on the latest promulgated by the ministry of public security, " motor vehicle drivers license application and management " ( decree 71 ), the two examination subjects ( zhuangkao ), computer images using real - time detection technology and electronic infrared optical interface detection technology, i combine the companies creating two - dimensional moving object identification and tracking software through acquisition of vehicles running state examination pile pole, the signal line, after computer processing, analysis and judgment, the actual realization of the computer monitor screen on the basis of the examination process real - time simulation, tracking examination candidates track and record car line, is set admission, examination results published combines the real modernization zhuangkao tools
本系統依據公安部最新頒布的《機動車駕駛證申領及管理規定》 ( 71號令)中有關科目二考試(樁考)的規定,採用微機圖象實時檢測處理技術及電子紅外線光界面檢測技術,結合我公司獨創的二維移動物體識別跟蹤軟體,通過採集考試車輛運行狀態、樁桿、庫線等信號,經過微機處理、分析判斷,真正實現了在微機監視屏上根據考試過程實時模擬、跟蹤考生考車軌跡並記錄路線,是集錄取、考試、發表成績為一體的真正的現代化樁考工具。One of the most important events in the history of the development of tv technologies is the implementation of digital compression technology, which leads tv industry into a new rapidly developing stage. with satellite, cable and terrestrial transmission channels, dvb, of which the digital compression is the core technology, has such features as two - way channels, interactive functions, etc. in dvb system, the information of video, audio and text is digitalized and integrated to form a new kind of tv program. furthermore, through online digital information broadcasting, people can browse information of other programs while watching several programs just as they have done on the internet
電視技術發展史上最重要的里程碑是數字壓縮技術的廣泛應用,它將電視事業帶入一個新的高速發展時期,以數字壓縮為核心技術的數字電視廣播通過衛星有線和地面傳輸具有多功能雙向傳輸交互性等特點,不僅將圖像聲音和文字等信息數字化,而且將有關信息相互鏈接並有機地結合在一起形成了新的節目形態,特別是其採用了數字信息在線廣播方式,觀眾在收看到多套節目的同時還可以像訪問網際網路那樣瀏覽其它節目信息。Belonging to open structure airproof tie - in system of machine pressure, it is widely used for communication, network system, cabled t. v. of catv, the fiber optic cable by network, the direct and branch connect - ion, the body adopts the high and strong function engineering plastics, structure forerunner, legerity. have also dependable functions of airpr - oofing and endureing lightning strike
屬于開啟式機械壓力密封接頭系統,廣泛用於通信網路系統, catv有線電視光纜網路系統,可直通分支,盒體採用高強性能工程塑料,結構先進,輕巧並具有可靠的密封性及抗雷擊性能,並適用於架空,管道,附桿及戶內等安裝。Belonging to open structure airproof tie - in system of machine pressure, it is widely used for communication, network system, cabled t. v. of catv, the fiber optic cable by network, the direct and branch connection, the body adopts the high and strong function engineering plastics, structure forerunner, legerity
屬于開啟式機械壓力密封接頭系統,廣泛用於通信網路系統, catv有線電視光纜網路系統,可直通分支,盒體採用高強性能工程塑料,結構先進,輕巧並具有可靠的密封性及抗雷擊性能,並適用於架空,管道,附桿及戶內等安裝。Send the real - time position, velocity of the moving object. received by gps oem caxd, associaied with the status information of the vehicle devices, to the monitoring centef, by way of the mobile conununication network. the monitoring system, based on some gis software, displays the tracks of the mobile objects on the eiectronic map, and users could supervise and query their iaterested parameters such as the location or velocity of the vehicle, the general information of vehicles, as so on, so that provide bases for vehicle management, improve the efficiency, or assure vehicles against accidents
車輛監控系統是its的重要組成部分之一,它將全球衛星定位技術、地理信息技術( gis )和現代通信技術結合在一起,通過將裝有gps接收機的移動目標的動態位置、速度、狀態等信息,實時地通過無線通訊鏈路傳送至監控中心,在具有強大的地理信息查詢功能的電子地圖上進行移動目標運動軌跡的顯示,並可以對目標的準確位置、速度、運動方向、車輛狀態等用戶感興趣的參數進行監控和查詢,為調度管理提供可視化依據,提高車輛的運營效率,確保車輛安全。Main products include : adjacent channel head - end equipment, two / single - way cable transmission amplifier series equipments, two / single - way optical fiber transmission series equipment, controlling software of catv subscriber addressing management system, two - way hfc network passive equipment and hfc network, and telecommunication workstation series product
主要產品有:智能化前端設備、雙(單)向電纜傳輸放大器系列設備、雙(單)向光纖傳輸系列設備、有線電視網路管理及用戶管理系統設備和雙向hfc網路無源器材及相關的系列專業軟體、服務軟體、通信直放站等系列產品。On - line monitoring of hvcb is the precondition of predicting maintenance, is the key element of reliable run, and is the important supplement to the traditional off - line preventive maintenance in fact, the faults are made by hvcb, no matter in number or in times, is over 60 % of total faults so it has determinative importance for improving the reliability of power supply and this can greatly decrease the capital waste used by - dating overhaul in this paper, the inspecting way of hvcb mechanism characteristic is discussed the concept of sub - circuit protector is presented, the scheme that we offered has been combined with sub - circuit integrality monitoring theory, to ensure that it has the two functions as a whole according the shut - off times at rated short circuit given by hvcb manufacturer, the electricity longevity loss can be calculated in each operation, and the remained longevity can be forecast too an indirect way for calculating main touch ' s temperature by using breaker shell temperature, air circumference temperature and breaker ' s heat resistance is improved in this paper, and main touch resistance can be calculated if providing the load current msp430, a new single chip microcomputer made by ti company, is engaged to develop the hardware system of the on - line monitoring device, and special problem brought by the lower supply voltage range of this chip is considered fully
高壓斷路器所造成的事故無論是在次數,還是在事故所造成的停電時間上都占據總量60以上。因此,及時了解斷路器的工作狀態對提高供電可靠性有決定性意義;並可以大大減少盲目定期檢修帶來的資金浪費。本文論述了斷路器機械特性參數監測方法;提出了二次迴路保護器的概念,並將跳、合閘線圈完整性監視和二次迴路保護結合起來,給出具有完整性監視功能的二次迴路保護器實現方案;根據斷路器生產廠家提供的斷路器額定短路電流分斷次數,計算每次分閘對應的觸頭電壽命損耗,預測觸頭電壽命;提出根據斷路器殼體溫度和斷路器周圍空氣溫度結合斷路器熱阻來計算斷路器主觸頭穩態溫升的方法,並根據此時的負荷電流間接計算主觸頭迴路的電阻;在硬體電路設計上,採用美國ti公司最新推出的一種功能強大的單片機msp430 ,並充分考慮該晶元的適用電壓范圍給設計帶來的特殊問題;在通信模塊的設計中,解決了不同工作電壓晶元之間的介面問題,並給出了直接聯接的接線方案。In order to keep the signal transmission unfailing, bch error - correcting code is applied in the system. this kind of system does n ' t affect the application television broadcasting normally and does n ' t increase video signal bandwidth additionally. it optimizes the transmission circuit for control signals and solves the problem of time - delaying, thereby it promotes the transmission more efficiently and economically
這種新型的應用電視在不影響電視正常播放和不增加電視傳輸帶寬的前提下,將控制信號搭載在視頻信號通道上運行,優化了控制信號傳輸線路,解決了時延問題,達到了利用電視信號逆程資源的目的,真正意義上實現了單纜傳輸監控系統,促進了監控系統的高效化和經濟化。For recent years, adsl has world widely employed and widely used in many aspects such as vod, remote medical treatment and e - shopping etc. but we noticed that the traditional telephone networks are designed for the transmission of low frequency signals, and the adsl ' s frequency rang is from 0 to 1. 104mhz, so we must confront the signal attenuation, the loop line noise impairments, the crosstalk interferences, the bridge tap reflections and the rf disturbances problems and many other problems when transmitting the adsl signals one the telephone networks
近幾年來, adsl在世界范圍內得到充分的使用,廣泛應用於視頻點播、遠程醫療、網上購物等各個方面。但是由於電話線網路是專門為傳輸低頻信號而設計,而adsl的頻譜范圍在0 1 . 104mhz內,因此在傳輸adsl信號時,面臨著信號衰減、線路噪聲、串音干擾、橋接抽頭反射和射頻干擾等等多方面的問題,這就要求在adsl開通之前對線路進行一系列的測試。分享友人