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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="bf3j9ae" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ynbltt/637478029006837375/6670506.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="33t887u" 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>云南省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>四川水下安防設(shè)備,水下</p><p><span>***更新：</span>2021-02-07 02:17:31</p><p><span id="click" >瀏覽次數(shù)：12次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="utahdmd" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">云南保利天同水下裝備科技有限公司</a></p><p><span>聯(lián)系人：</span>肖力夫</p><p><span>郵箱: </span>453901470@qq.com</p><p><span>電話: </span>18206796670</p><p><span>傳真: </span>0871_63578309</p><p><span>網(wǎng)址: </span>http://ynbltt.shop.88360.com</p><p><span>手機: </span>0871-63578309</p><p><span>地址: </span>西山區(qū)環(huán)城西路368號華海新境界B坐22樓</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="laibsea" class="page-proshow02"><p class="title">詳細說明</p><div id="e7jl392" class="box"><p><p> 聲吶結(jié)構(gòu)分類：被動聲吶，四川水下安防設(shè)備。被動聲吶技術(shù)是指聲吶被動接收艦船等水中目標產(chǎn)生的輻射噪聲和水聲設(shè)備發(fā)射的信號，以測定目標的方位和距離。它由簡單的水聽器演變而來，它收聽目標發(fā)出的噪聲，判斷出目標的位置和某些特性，特別適用于不能發(fā)聲暴露自己而又要探測敵艦活動的潛艇。利用接收換能器基陣接收目標自身發(fā)出的噪聲或信號來探測目標的聲吶稱為被動聲吶。由于被動聲吶本身不發(fā)射信號，所以目標將不會覺察聲吶的存在及其意圖。目標發(fā)出的聲音及其特征，四川水下安防設(shè)備，在聲吶設(shè)計時并不為設(shè)計者所控制，四川水下安防設(shè)備，對其了解也往往不多方面。前視聲吶裝備生產(chǎn)公司。四川水下安防設(shè)備</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川水下安防設(shè)備,水下" src="https://tyunfile.71360.com/UploadFile/ynbltt/637478029006837375/6670506.png"></div><p> 水聲通信：水聲通信（Underwateracousticcommunication）是一項在水下收發(fā)信息的技術(shù)，是當前海洋軍*中比較重要和關(guān)鍵的技術(shù)。常見的水聲通信方法是采用擴頻通信技術(shù)，如CDMA等。水聲通信的工作原理是將文字、語音、圖像等信息，通過電發(fā)送機轉(zhuǎn)換成電信號，并由編碼器將信息數(shù)字化處理后，換能器又將電信號轉(zhuǎn)換為聲信號。水聲通信工作原理：水聲通訊示意圖工作原理是首先將文字、語音、圖像等信息，通過電發(fā)送機轉(zhuǎn)換成電信號，并由編碼器將信息數(shù)字化處理后，換能器又將電信號轉(zhuǎn)換為聲信號。聲信號通過水這一介質(zhì)，將信息傳遞到接收換能器，這時聲信號又轉(zhuǎn)換為電信號，解碼器將數(shù)字信息破譯后，電接收機才將信息變成聲音、文字及圖片。貴州水下避障裝備目標自動識別裝備生產(chǎn)公司。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川水下安防設(shè)備,水下" src="https://tyunfile.71360.com/UploadFile/ynbltt/637478028526271005/765235.png"></div><p> 海底地震監(jiān)測觀測儀器由于海水對聲波傳播的限制，利用一般的地震測量技術(shù)，人們往往無法有效地、經(jīng)濟地接收到一些重要的地震信息，如橫波及其頻散信息、三分量的地震信息等，因此產(chǎn)生了海底地震監(jiān)測這一新技術(shù)。海底地震監(jiān)測的主要儀器是海底地震儀。它的主體包括拾震器(亦稱傳感器、地震檢波器)、放大器、記錄器、石英鐘和電源等。儀器主體被密封在耐壓容器中，放置海底進行全自動記錄，借助浮標和系留系統(tǒng)或自動控制系統(tǒng)升浮而回收。海底地震儀采用可變線圈型電磁式結(jié)構(gòu)。它的體積小，比較堅固，有良好的水密性。由于地震頻率范圍變化很大,因此要求根據(jù)不同的觀測目的,選擇短周期和長周期的檢波器來分別測定適當?shù)念l率范圍。 </p><p style="text-indent:25px"> 聲吶結(jié)構(gòu)分類：被動聲吶。聲吶設(shè)計者只能對某預(yù)定目標的聲音進行設(shè)計，如目標為潛艇，那么目標自身發(fā)出的噪聲包括螺旋槳轉(zhuǎn)動噪聲、艇體與水流摩擦產(chǎn)生的動水噪聲，以及各種發(fā)動機的機械振動引起的輻射噪聲等。因此被動聲吶（噪音站）與主動聲吶比較根本的區(qū)別在于它在本艦噪聲背景下接收遠場目標發(fā)出的噪聲。此時，目標噪聲作為信號，且經(jīng)遠距傳播后變得十分微弱。由此可知，被動聲吶往往工作于低信噪比情況下，因而需要采用比主動聲吶更多的信號處理措施。被動聲吶沒有發(fā)射機部分。回音站、測深儀、通信儀、探雷器等等均可歸入主動聲吶類，而噪音站、偵察儀等則歸人被動聲吶類。領(lǐng)航者多普勒計程儀生產(chǎn)公司。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川水下安防設(shè)備,水下" src="https://tyunfile.71360.com/UploadFile/ynbltt/637478028412892447/3651396.png"></div><p style="text-indent:25px"> 光纖水聽器編輯光纖水聽器是利用光纖技術(shù)探測水下聲波的器件，它與傳統(tǒng)的壓電水聽器相比，具有極高的靈敏度、足夠大的動態(tài)范圍、本質(zhì)的抗電磁干擾能力、無阻抗匹配要求、系統(tǒng)“濕端”質(zhì)量輕和結(jié)構(gòu)的任意性等優(yōu)勢，因此，足以應(yīng)付來自潛艇靜噪技術(shù)不斷提高的挑戰(zhàn)，適應(yīng)了各發(fā)達國家反潛戰(zhàn)略的要求，被視為**技術(shù)重點開發(fā)項目之一。原理光纖水聽器按原理可分為干涉型、強度型、光柵型等。干涉型光纖水聽器關(guān)鍵技術(shù)己經(jīng)逐步發(fā)展成熟，在部分領(lǐng)域己經(jīng)形成產(chǎn)品，而光纖光柵水聽器則是當前光纖水聽器研究的熱點。光纖光柵水聽器是以光柵的諧振禍合波長隨外界參量變化而移動為原理。領(lǐng)航者DeepNavi1000K裝備生產(chǎn)公司。貴州水下搜索儀器</p><p style="text-indent:25px">深海通信裝備生產(chǎn)公司。四川水下安防設(shè)備</p><p style="text-indent:25px"> 從能量檢測的角度講，矢量水聽器的采用使系統(tǒng)的抗各向同性噪聲的能力獲得提高，并可實現(xiàn)遠場多目標的識別等。矢量水聽器的研究工作受到極大重視。因此，包括矢量信息在內(nèi)的多信息檢測是聲納系統(tǒng)的一個發(fā)展趨勢，正越來越被各個海軍大國所重視。隨著技術(shù)地不斷發(fā)展，技術(shù)需求越來越多，為滿足岸站建設(shè)的需要，服務(wù)海岸預(yù)警聲納系統(tǒng)，實現(xiàn)遠程檢測、識別，低頻檢測能力日益顯得重要。另外，由于核動力潛艇的出現(xiàn)，潛艇隱身等新技術(shù)的普遍采用，反潛問題受到各國空前的重視。一種有效的方法是轉(zhuǎn)向測試螺旋槳低頻噪聲，安靜型潛艇和艦船的本征噪聲都在低頻段，這就需要低頻段的矢量水聽器。即要求探測換能器具有低頻檢測能力。低頻三維空間全向矢量檢測器己成為新的技術(shù)需求。這種低頻矢量水聽器的研制成功可以預(yù)期解決遠程傳播低頻信號的檢測問題。同時，隨著目標信號的減弱，高靈敏度檢測問題也變得迫切。四川水下安防設(shè)備</p><p style="text-indent:25px">云南保利天同水下裝備科技有限公司是一家保利天同水下裝備科技有限公司：是以水下裝備為發(fā)展方向的國家高新技術(shù)企業(yè)，公司2002年成立以來，發(fā)揮雄厚的研發(fā)優(yōu)勢，研發(fā)了包括超高分辨率水下圖像聲吶、小尺寸高波特率水聲通信機、小型化高精度多譜勒計程議/ADCP及水下組合導(dǎo)航系統(tǒng)、港口智能安防系統(tǒng)等水下裝備。公司使命：帶給人們價值，世界因你而不同。公司愿景：用專注、持續(xù)改進的優(yōu)良產(chǎn)品達成更好的客戶感受和口碑。的公司，是一家集研發(fā)、設(shè)計、生產(chǎn)和銷售為一體的專業(yè)化公司。保利天同水下裝備作為保利天同水下裝備科技有限公司：是以水下裝備為發(fā)展方向的國家高新技術(shù)企業(yè)，公司2002年成立以來，發(fā)揮雄厚的研發(fā)優(yōu)勢，研發(fā)了包括超高分辨率水下圖像聲吶、小尺寸高波特率水聲通信機、小型化高精度多譜勒計程議/ADCP及水下組合導(dǎo)航系統(tǒng)、港口智能安防系統(tǒng)等水下裝備。公司使命：帶給人們價值，世界因你而不同。公司愿景：用專注、持續(xù)改進的優(yōu)良產(chǎn)品達成更好的客戶感受和口碑。的企業(yè)之一，為客戶提供良好的水聲通訊設(shè)備，水下導(dǎo)航定位設(shè)備，水聲圖像設(shè)備，水下港口安防設(shè)備。保利天同水下裝備繼續(xù)堅定不移地走高質(zhì)量發(fā)展道路，既要實現(xiàn)基本面穩(wěn)定增長，又要聚焦關(guān)鍵領(lǐng)域，實現(xiàn)轉(zhuǎn)型再突破。保利天同水下裝備始終關(guān)注機械及行業(yè)設(shè)備市場，以敏銳的市場洞察力，實現(xiàn)與客戶的成長共贏。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3198817.html</p></div></div></div></div></div><div id="kyprsjq" class="page-right twoColRt"><div id="fzl7ei2" class="box01 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