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class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>?？谄髽I(yè)電視系統(tǒng),電視系統(tǒng)工程</p><p><span>***更新：</span>2020-12-20 02:15:48</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="zjorwqe" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海熊貝信息技術(shù)有限公司</a></p><p><span>聯(lián)系人：</span>唐繼兵</p><p><span>郵箱: </span>tangjibing988428@163.com</p><p><span>電話: </span>19901672612</p><p><span>傳真: </span>199_</p><p><span>網(wǎng)址: </span>http://www.shxiongbei.com</p><p><span>手機(jī): </span>199-0167</p><p><span>地址: </span>青村鎮(zhèn)青村南路355號5幢135室</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="vt1mqvf" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="uk5dmlp" class="box"><p><p style="text-indent:25px">電視系統(tǒng)工程前端采用視頻設(shè)備的信噪比：自辦節(jié)目功能的前端，采用視頻設(shè)備的信噪比不應(yīng)小于45dB。采用相鄰頻道傳輸?shù)那岸嗽O(shè)備，應(yīng)符合下列要求：1）應(yīng)具有60dB以上的鄰頻信號控制特性。2）頻率偏移在甚高頻段不應(yīng)大于20kHz，?？谄髽I(yè)電視系統(tǒng)，海口企業(yè)電視系統(tǒng)。像伴音功率比的調(diào)整范圍應(yīng)為10～20dB。無中心點(diǎn)：P2P無中心點(diǎn)的特點(diǎn)在P2P所有特點(diǎn)比較為突出，是P2P技術(shù)模式明顯區(qū)別于其他技術(shù)的鮮明特點(diǎn)。具體來說，就是將網(wǎng)絡(luò)中所有的資源和服務(wù)分散在每一個(gè)節(jié)點(diǎn)上，這樣的話每一個(gè)對等點(diǎn)都具有了相同的地位，?？谄髽I(yè)電視系統(tǒng)，具有了雙重功能，既可以請求服務(wù)還可以提供服務(wù)。電視系統(tǒng)工程將推進(jìn)這一系列產(chǎn)業(yè)的發(fā)展。海口企業(yè)電視系統(tǒng)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="?？谄髽I(yè)電視系統(tǒng),電視系統(tǒng)工程" src="https://tyunfile.71360.com/UploadFile/shxiongbei/637361364241757813/4198928.png"></div><p style="text-indent:25px">電視系統(tǒng)工程相比傳統(tǒng)的ASI為基礎(chǔ)的傳輸模式已經(jīng)很能適應(yīng)快速發(fā)展的數(shù)字電視新業(yè)務(wù).功能擴(kuò)展方面存存在很多的局限性?；贗P的數(shù)字電視傳輸方式，比較早在美國開始研發(fā)和使用，經(jīng)過幾年的不斷發(fā)展和進(jìn)步，現(xiàn)在現(xiàn)階段技術(shù)發(fā)展已經(jīng)非常成熟，并且在美國歐洲以及亞洲的一些國家普遍使用，得到運(yùn)營商一致認(rèn)可。與傳統(tǒng)ASI信號傳輸方式不同?；贗P的傳輸方式具有很多特點(diǎn)。比如丟棄了原來復(fù)雜的設(shè)備連接，而以少量的雙絞線替代去掉了原來復(fù)雜的前端設(shè)備.方便數(shù)字電視新業(yè)務(wù)的接人.系統(tǒng)使用傳組網(wǎng)之后。網(wǎng)絡(luò)調(diào)度更加靈活，后期業(yè)務(wù)遷入更加方便.數(shù)據(jù)傳輸密度更大。?？谄髽I(yè)電視系統(tǒng)電視系統(tǒng)工程具有操作界面友好、方便易掌握、日常維護(hù)簡單、容易管理。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="?？谄髽I(yè)電視系統(tǒng),電視系統(tǒng)工程" src="https://tyunfile.71360.com/UploadFile/shxiongbei/637361364018642578/1274226.png"></div><p style="text-indent:25px">隨著我國經(jīng)濟(jì)實(shí)力的不斷增強(qiáng)以及科技水平的不斷提升,有線電視技術(shù)在我國得到了飛速的發(fā)展和完善,極大地推動我國電視行業(yè)的發(fā)展和進(jìn)步。從現(xiàn)階段有線電視技術(shù)應(yīng)用的現(xiàn)狀以及發(fā)展的趨勢來看,數(shù)字化,雙向化以及規(guī)?；瘜蔀橛芯€電視今后發(fā)展的主要方向。因此,在今后有線電視系統(tǒng)工程建設(shè)和設(shè)計(jì)的過程中,必須要加強(qiáng)對新技術(shù)的應(yīng)用,通過網(wǎng)絡(luò)技術(shù)和雙向技術(shù)的有效結(jié)合,來有效的提升有線電視系統(tǒng)工程建設(shè)的水平,為我國電視行業(yè)今后的可持續(xù)發(fā)展奠定堅(jiān)實(shí)的基礎(chǔ)。</p><p style="text-indent:25px">智能電視工程系統(tǒng)的技術(shù)：軟件和應(yīng)用。由于智能電視的大屏特點(diǎn)以及與手機(jī)輸入方式的差別，如果要開發(fā)產(chǎn)品，必須針對它的輸入特點(diǎn)、操作方式與觀看方式來進(jìn)行。智能電視應(yīng)用開發(fā)剛起步，產(chǎn)業(yè)生態(tài)尚未建立，國內(nèi)廠商應(yīng)用開發(fā)主要以移植和適配智能手機(jī)應(yīng)用為主，這需要做顯示技術(shù)適配、控制技術(shù)適配、多媒體框架適配等工作。專門針對電視業(yè)務(wù)的應(yīng)用主要集中在視頻類。因此，智能電視應(yīng)用存在“碎片化”的問題，業(yè)內(nèi)需要統(tǒng)一的應(yīng)用技術(shù)標(biāo)準(zhǔn)。智能電視開發(fā)各家標(biāo)準(zhǔn)不一樣，同一個(gè)應(yīng)用在不同品牌終端上存在兼容性問題。電視系統(tǒng)工程提供醫(yī)院服務(wù)計(jì)費(fèi)、費(fèi)用查詢等項(xiàng)目，方便患者享受數(shù)字化時(shí)代的醫(yī)療服務(wù)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="?？谄髽I(yè)電視系統(tǒng),電視系統(tǒng)工程" src="https://tyunfile.71360.com/UploadFile/shxiongbei/637361364331757813/7386371.png"></div><p style="text-indent:25px">有線電視系統(tǒng)工程的基礎(chǔ)知識：常用有線電視器材。1、電纜：型號:常用電纜；75-5；75-7；75-9；75-12；發(fā)泡:單護(hù)發(fā)泡、雙護(hù)發(fā)泡；類型:發(fā)泡電纜、耦芯電纜、進(jìn)口電纜；特點(diǎn):頻率越高，損耗越多。2、放大器(高電平放大器、中電平放大器、低電平放大器)；A:高電平放大器用于天線放大器，用戶放大器，增益大在40dB以上，信噪比較差，輸入低60dB；特點(diǎn):低輸入，高輸出；B:中電平放大器用在支干線上，增益在25-30dB，如KA5134，信噪比較好。C:低電平放大器用在主干線上，增益在18-25dB，信噪比較好。電視系統(tǒng)工程降低了整個(gè)系統(tǒng)的部署成本，同時(shí)也較大降低了部署的復(fù)雜度。海口企業(yè)電視系統(tǒng)</p><p style="text-indent:25px">電視系統(tǒng)工程提供標(biāo)準(zhǔn)接口，使用標(biāo)準(zhǔn)的音視頻協(xié)議，支持標(biāo)準(zhǔn)的視訊與數(shù)據(jù)協(xié)同工作方式等。?？谄髽I(yè)電視系統(tǒng)</p><p style="text-indent:25px">有線電視系統(tǒng)工程的優(yōu)點(diǎn)：有線電視隨著技術(shù)的不斷發(fā)展和人民生活水平的不斷提高，還可以進(jìn)一步的發(fā)展。例如電視頻道數(shù)目可以不斷加多，自辦節(jié)目也可以不斷增加，而且還可以發(fā)展雙向傳送功能，利用多媒體技術(shù)把圖像、語言、數(shù)字、計(jì)算機(jī)技術(shù)綜合成一個(gè)整體進(jìn)行信息交流。國外雙向系統(tǒng)早已實(shí)用化，其主要功能主要有以下幾個(gè)方面：1）保安、家庭購物、電子付款、醫(yī)療。2）付費(fèi)電視節(jié)目可放誦較新電影等，可以按月付費(fèi)租用一個(gè)頻道，也可以按租用次數(shù)付費(fèi)，用戶還能點(diǎn)播所需節(jié)目。付費(fèi)用戶裝有***器，未付費(fèi)用戶則無法收看。3）用戶可與計(jì)算中心聯(lián)網(wǎng)，進(jìn)行數(shù)據(jù)信號，實(shí)現(xiàn)計(jì)算機(jī)通信。4）交換電視節(jié)目。5）系統(tǒng)工作狀態(tài)監(jiān)視。海口企業(yè)電視系統(tǒng)</p><p style="text-indent:25px">上海熊貝信息技術(shù)有限公司主要經(jīng)營范圍是安全、防護(hù)，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場口碑。上海熊貝致力于為客戶提供良好的IPTV電視系統(tǒng)，監(jiān)控系統(tǒng)，弱電工程，一切以用戶需求為中心，深受廣大客戶的歡迎。公司從事安全、防護(hù)多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。上海熊貝憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來的聲譽(yù)和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: 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