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clearfix"><div id="5hnv95p" class="twoCol"><div id="pdjnljp" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_jydq/">家用電器</a>?<a href="http://www.cdcfah.com/cp/second-jydq_dianshiji/">電視機(jī)</a>?<a href="http://www.cdcfah.com/cp/third-dianshiji_qtdsj/">其他電視機(jī)</a>?濟(jì)南有線電視系統(tǒng)報價來電咨詢上海熊貝信息技術(shù)供應(yīng)</p><div id="rndbhn7" class="leftbox clearfix"><h1>濟(jì)南有線電視系統(tǒng)報價來電咨詢上海熊貝信息技術(shù)供應(yīng)</h1><div id="htbz9lr" class="proBig"><div id="r79lbz5" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shxiongbei/637361363915615235/5638387.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="j7xdt99" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shxiongbei/637361363915615235/5638387.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="7l9djpv" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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>濟(jì)南有線電視系統(tǒng)報價,電視系統(tǒng)工程</p><p><span>***更新：</span>2021-01-04 04:18:31</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="fd799bz" 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="xv7vtjh" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="rxntj7v" class="box"><p><p style="text-indent:25px">電視掃描系統(tǒng)工程包括同步電路、行掃描電路、場掃描電路、顯像管及其供電電路。掃描系統(tǒng)的主要作用是使顯像管的熒光屏上形成正常的光柵。幅度分離電路利用同步信號在全電視信號中幅度較高的特點(diǎn)，濟(jì)南有線電視系統(tǒng)報價，把復(fù)合同步信號取出來積分電路利用場同步信號的寬度遠(yuǎn)遠(yuǎn)小于行同步信號寬度的特點(diǎn)，濟(jì)南有線電視系統(tǒng)報價，將場同步信號從復(fù)合同步信號中分離出來，去控制場掃描電路，實(shí)現(xiàn)電視場掃描同步。積分電路的分離方式也稱寬度分離AFC電路作用是自動實(shí)現(xiàn)行同步。原理是將行同步信號從復(fù)合同步信號中取出，濟(jì)南有線電視系統(tǒng)報價，與本機(jī)行輸出級反饋回來的行頻鋸齒鍍信號進(jìn)行比較，然后輸出誤差控制電壓去調(diào)整行掃描的頻率和相位，實(shí)現(xiàn)行電視同步電路。電視系統(tǒng)工程便于用戶二次開發(fā)等特點(diǎn)。濟(jì)南有線電視系統(tǒng)報價</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="濟(jì)南有線電視系統(tǒng)報價,電視系統(tǒng)工程" src="https://tyunfile.71360.com/UploadFile/shxiongbei/637361363915615235/5638387.png"></div><p style="text-indent:25px">電視系統(tǒng)工程按照一定的規(guī)律，將時間和幅度上離散的信號用對應(yīng)的二進(jìn)制或多進(jìn)制代碼表示。電視通道數(shù)字化后的碼率太高，如果不加壓縮，一個通道就將占有100多兆赫的帶寬。因此，為了簡化信號的傳輸與存儲，壓縮碼率是十分必要的。電視系統(tǒng)工程的編碼：線性變換編碼不直接對圖像數(shù)據(jù)編碼，而是首先將圖像數(shù)據(jù)進(jìn)行某種線性變換，得到一組變換系數(shù)，然后對這些系數(shù)實(shí)現(xiàn)量化、編碼、傳輸。在接收端，對收到的變換系數(shù)進(jìn)行相應(yīng)的逆變換，再恢復(fù)成圖像信號。從理論上講，線性變換編碼可以壓縮碼率的原因在于圖像信號存在很強(qiáng)的相關(guān)性，這種相關(guān)性在頻率域的反映是功率域?yàn)V波的方式獲得大的壓縮比。濟(jì)南有線電視系統(tǒng)報價電視系統(tǒng)工程的應(yīng)用推動了很多應(yīng)用的發(fā)展。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="濟(jì)南有線電視系統(tǒng)報價,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)工程每臺電視機(jī)不需配機(jī)頂盒：每臺電視機(jī)都不須配機(jī)頂盒，都能收看精彩的數(shù)字電視。電視系統(tǒng)工程接入信號源：接入的信號源是數(shù)字電視機(jī)頂盒中的信號源，收看的是數(shù)字電視中的節(jié)目。電視系統(tǒng)工程安裝方便，維護(hù)簡單：電視系統(tǒng)工程設(shè)備安裝簡便，維護(hù)簡單（跟有線電視一樣）。電視系統(tǒng)工程一次投入長期享受：一次投入，長期享受。?隨著電視系統(tǒng)工程產(chǎn)品不斷完善和市場需求的不斷增加，電視系統(tǒng)工程產(chǎn)品更加貼近用戶、滿足用戶需求、提高服務(wù)質(zhì)量的角度出發(fā)，制定了完善的客戶服務(wù)體系，并逐步完善售后服務(wù)網(wǎng)絡(luò)。</p><p style="text-indent:25px">有線電視系統(tǒng)工程的基礎(chǔ)知識：分支分配器：（1）分支器：BR一分支符號:INOUT(插入損耗)；A:插入損耗:是信號從干線輸入端到干線輸出端之間的傳輸損耗，即輸入信號電平(dB)與輸出信號電平(dB)之差,用dB表示。B:分支損耗:是信號從干線輸入端到分支輸出端之間的損耗，即干線輸入端電平(dB)與分支端輸出電平(dB)之差,用dB表示。C:分支損耗與插入損耗之間的關(guān)系是:分支損耗大，則插入損耗小;分支損耗小，則插入損耗大。D:分支口與插入損耗之間的關(guān)系是:分支口越多，插入損耗越大。我們實(shí)際上設(shè)計(jì)中通常按照2DB來計(jì)插入損耗。電視系統(tǒng)工程具備寬帶互聯(lián)網(wǎng)接入能力。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="濟(jì)南有線電視系統(tǒng)報價,電視系統(tǒng)工程" src="https://tyunfile.71360.com/UploadFile/shxiongbei/637361364164375000/8011521.png"></div><p style="text-indent:25px">醫(yī)院電視系統(tǒng)工程需求分析：閉路電視監(jiān)控系統(tǒng)工程是xx醫(yī)院外科綜合樓醫(yī)療服務(wù)、安全保衛(wèi)系統(tǒng)信息現(xiàn)代化的工具，是確保整個外科樓工作環(huán)境安全的重要手段之一。由于，醫(yī)院是醫(yī)療服務(wù)特種行業(yè)，擁有許多先進(jìn)的醫(yī)療設(shè)備和科研儀器，xx醫(yī)院又是心、肺、腎專業(yè)醫(yī)院，是國家三級甲等醫(yī)院其擁有的醫(yī)療設(shè)備和儀器是不言而語的，擁有的名貴、特種藥品繁多;xx醫(yī)院的病人群體中多為胸腔外科病人，需要較高質(zhì)量的安防工作再者，隨著經(jīng)濟(jì)的高速發(fā)展和社會的高度信息化進(jìn)程的加劇，有好多刑事案件都與醫(yī)院病人或藥品牽扯或有關(guān)洞時，xx醫(yī)院是北京醫(yī)科大學(xué)的附屬醫(yī)院，負(fù)著繁重的醫(yī)學(xué)教學(xué)和學(xué)術(shù)交流講座的任務(wù)，其中手術(shù)閉路電視教學(xué)就要用到閉路電視監(jiān)控系統(tǒng)。電視系統(tǒng)工程的發(fā)展引起了相關(guān)人員的特別重視。濟(jì)南有線電視系統(tǒng)報價</p><p style="text-indent:25px">社會的進(jìn)步與科學(xué)技術(shù)的發(fā)展對促進(jìn)我國廣播電視工程的數(shù)字化發(fā)展具有十分重要的意義。濟(jì)南有線電視系統(tǒng)報價</p><p style="text-indent:25px">大環(huán)境表明，銷售**寬泛的應(yīng)用還是智能單品（智能音箱、機(jī)器人）以及智能家居等領(lǐng)域，且語音識別技術(shù)是智能語音技術(shù)**為重點(diǎn)的落地技術(shù)。但需要提及的是，進(jìn)入智能語音技術(shù)的發(fā)展**期，智能語音技術(shù)是時候該有一些比較新穎的落地場景出現(xiàn)了。在阿里未來服務(wù)型中，機(jī)器人充當(dāng)著酒店前臺的作用，對入住房客進(jìn)行全過程引導(dǎo)，而在酒店房間中，房客也可通過與人工智能的交流，從而完善自己的住房體驗(yàn)。安全、防護(hù)的用戶長期以來一直愿意**安全性的某些方面以獲得便利性和易用性。然而這一趨勢似乎正在轉(zhuǎn)變，整個行業(yè)顯示出對網(wǎng)絡(luò)安全的重大擔(dān)憂。 **終用戶情緒似乎也跟隨這一趨勢，在將其安全、防護(hù)連接到互聯(lián)網(wǎng)時變得更加謹(jǐn)慎?！盁o語音不安防”，聽起來似乎是個挺好的愿景。但遺憾的是，就目前看來，IPTV電視系統(tǒng)，監(jiān)控系統(tǒng)，弱電工程要“取景”安防行業(yè)，還有許多難點(diǎn)需要解決。濟(jì)南有線電視系統(tǒng)報價</p><p style="text-indent:25px">上海熊貝信息技術(shù)有限公司致力于安全、防護(hù)，是一家服務(wù)型的公司。公司業(yè)務(wù)涵蓋IPTV電視系統(tǒng)，監(jiān)控系統(tǒng)，弱電工程等，價格合理，品質(zhì)有保證。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠信為本的理念，打造安全、防護(hù)良好品牌。在社會各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2694595.html</p></div></div></div></div></div><div id="jzxvthx" class="page-right 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