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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>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>貴州水下核電水下安防設(shè)備,水下</p><p><span>***更新：</span>2021-02-03 02:18:51</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="a88835e" 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(huà): </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(jī): </span>0871-63578309</p><p><span>地址: </span>西山區(qū)環(huán)城西路368號(hào)華海新境界B坐22樓</p><p>[當(dāng)前離線(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="i38830w" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="ifa0ozi" class="box"><p><p> 聲吶結(jié)構(gòu)分類(lèi)：被動(dòng)聲吶。被動(dòng)聲吶技術(shù)是指聲吶被動(dòng)接收艦船等水中目標(biāo)產(chǎn)生的輻射噪聲和水聲設(shè)備發(fā)射的信號(hào)，以測(cè)定目標(biāo)的方位和距離。它由簡(jiǎn)單的水聽(tīng)器演變而來(lái)，它收聽(tīng)目標(biāo)發(fā)出的噪聲，判斷出目標(biāo)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(cè)敵艦活動(dòng)的潛艇。利用接收換能器基陣接收目標(biāo)自身發(fā)出的噪聲或信號(hào)來(lái)探測(cè)目標(biāo)的聲吶稱(chēng)為被動(dòng)聲吶。由于被動(dòng)聲吶本身不發(fā)射信號(hào)，貴州水下核電水下安防設(shè)備，所以目標(biāo)將不會(huì)覺(jué)察聲吶的存在及其意圖，貴州水下核電水下安防設(shè)備。目標(biāo)發(fā)出的聲音及其特征，在聲吶設(shè)計(jì)時(shí)并不為設(shè)計(jì)者所控制，貴州水下核電水下安防設(shè)備，對(duì)其了解也往往不多方面。水下導(dǎo)航裝備生產(chǎn)公司。貴州水下核電水下安防設(shè)備</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴州水下核電水下安防設(shè)備,水下" src="https://tyunfile.71360.com/UploadFile/ynbltt/637478028952374708/2424064.png"></div><p> 水聲通信水下通信非常困難，主要是由于通道的多徑效應(yīng)、時(shí)變效應(yīng)、可用頻寬窄、信號(hào)衰減嚴(yán)重，特別是在長(zhǎng)距離傳輸中。水下通信相比有線(xiàn)通信來(lái)說(shuō)速率非常低，因?yàn)樗峦ㄐ挪捎玫氖锹暡ǘ菬o(wú)線(xiàn)電波。常見(jiàn)的水聲通信方法是采用擴(kuò)頻通信技術(shù)，如CDMA等。補(bǔ)充：水聲通信技術(shù)發(fā)展的已經(jīng)較為成熟，國(guó)外很多機(jī)構(gòu)都已研制出水聲通信Modem，通信方式主要有：OFDM，擴(kuò)頻以及其它的一些調(diào)制方式。此外，水聲通信技術(shù)已發(fā)展到網(wǎng)絡(luò)化的階段，將無(wú)線(xiàn)電中的網(wǎng)絡(luò)技術(shù)（AdHoc）應(yīng)用到水聲通信網(wǎng)絡(luò)中，可以在海洋里實(shí)現(xiàn)多方位、立體化通信（可以與AUV、UUV等無(wú)人設(shè)備結(jié)合使用），但只有少數(shù)國(guó)家試驗(yàn)成功。云南水下儀器水下探測(cè)裝備生產(chǎn)公司。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴州水下核電水下安防設(shè)備,水下" src="https://tyunfile.71360.com/UploadFile/ynbltt/637478028392267105/1008777.png"></div><p> 海底地震監(jiān)測(cè)是指用專(zhuān)門(mén)設(shè)計(jì)的地震儀投放于海洋底來(lái)觀(guān)測(cè)海洋底的地震現(xiàn)象，確定震源參數(shù)，以研究海洋底地震活動(dòng)規(guī)律并作地質(zhì)構(gòu)造分析的一種海洋地震測(cè)量新方法。由于地震頻率范圍變化很大，因此要求根據(jù)不同的觀(guān)測(cè)目的，選擇短周期和長(zhǎng)周期的檢波器來(lái)分別測(cè)定適當(dāng)?shù)念l率范圍。用專(zhuān)門(mén)設(shè)計(jì)的地震儀投放于海洋底來(lái)觀(guān)測(cè)海洋底的地震現(xiàn)象，確定震源參數(shù)，以研究海洋底地震活動(dòng)規(guī)律并作地質(zhì)構(gòu)造分析的一種海洋地震測(cè)量新方法。早在1937～1940年間，美國(guó)W.M.尤因等就進(jìn)行過(guò)海底地震監(jiān)測(cè)的嘗試，但直到60年代以后，此項(xiàng)觀(guān)測(cè)技術(shù)才隨深海大洋調(diào)查的發(fā)展而得到采用。 </p><p> 海底地震儀分為單分量和三分量?jī)煞N。單分量地震儀記錄垂直分量,頻率范圍為2～20赫，動(dòng)態(tài)范圍可達(dá)65分貝,石英鐘精度為10-6秒，功率為0.5瓦/小時(shí)，記錄時(shí)間為30天。三分量(兩個(gè)水平分量和一個(gè)垂直分量)地震儀，一般是由三個(gè)方向安置的單分量地震儀和一個(gè)水聽(tīng)器組成,前者在海底直接測(cè)量地震波的縱波和橫波,后者測(cè)量水中傳播的地震波（縱波）。蘇聯(lián)、美國(guó)、英國(guó)、日本等進(jìn)行了海底地震儀的研制和觀(guān)測(cè)方法的試驗(yàn)，并在不同海底區(qū)，如大洋洋脊、島弧、海溝、深海洋盆等地區(qū)，利用海底地震儀進(jìn)行過(guò)觀(guān)測(cè)，發(fā)現(xiàn)洋脊區(qū)的微地震活動(dòng)規(guī)律和海溝區(qū)震源深度的分布特征（見(jiàn)海底地震）。水下無(wú)線(xiàn)對(duì)講裝備生產(chǎn)公司。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴州水下核電水下安防設(shè)備,水下" src="https://tyunfile.71360.com/UploadFile/ynbltt/637478028481856924/4208986.png"></div><p> <br /> </p> <p> 水下潛器在海洋環(huán)境的探測(cè)與建模、海洋目標(biāo)的水下探測(cè)與識(shí)別、定位與傳輸?shù)确矫娴难芯恐邪l(fā)揮著重要作用，而高精度的導(dǎo)航定位不只是水下潛器獲取有效信息的必要條件，還決定了它是否可以安全作業(yè)及返回，因此，高精度導(dǎo)航定位是研究水下潛器的關(guān)鍵技術(shù)之一，是確保潛水艇及無(wú)人潛航器在深海遠(yuǎn)航作戰(zhàn)、水下機(jī)器人作業(yè)、進(jìn)行水下搜索、打撈及救援等應(yīng)用的關(guān)鍵技術(shù)之一。導(dǎo)航系統(tǒng)是能夠向航行體的操縱者或控制系統(tǒng)提供航行體的位置、速度、航向、姿態(tài)等即時(shí)運(yùn)動(dòng)狀態(tài)的系統(tǒng)，在現(xiàn)代軍*技術(shù)中，導(dǎo)航占據(jù)著十分重要的地位，有著所方面的應(yīng)用，它已從為航空服務(wù)的航行保障手段，發(fā)展成為各種軍*操作和武器裝備提供關(guān)鍵的位置、速度與時(shí)間信息的傳感器，是現(xiàn)代戰(zhàn)*的重要信息源。導(dǎo)航已經(jīng)使現(xiàn)代軍*作戰(zhàn)方式發(fā)生了巨大的變化，引起了各國(guó)軍方的高度重視。 </p> <p> <br /> 圖像聲吶裝備生產(chǎn)公司。貴州水下聲學(xué)測(cè)速儀器</p><p style="text-indent:25px">潛水通話(huà)裝備生產(chǎn)公司。貴州水下核電水下安防設(shè)備</p><p style="text-indent:25px"> 從能量檢測(cè)的角度講，矢量水聽(tīng)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(shí)現(xiàn)遠(yuǎn)場(chǎng)多目標(biāo)的識(shí)別等。矢量水聽(tīng)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(cè)是聲納系統(tǒng)的一個(gè)發(fā)展趨勢(shì)，正越來(lái)越被各個(gè)海軍大國(guó)所重視。隨著技術(shù)地不斷發(fā)展，技術(shù)需求越來(lái)越多，為滿(mǎn)足岸站建設(shè)的需要，服務(wù)海岸預(yù)警聲納系統(tǒng)，實(shí)現(xiàn)遠(yuǎn)程檢測(cè)、識(shí)別，低頻檢測(cè)能力日益顯得重要。另外，由于核動(dòng)力潛艇的出現(xiàn)，潛艇隱身等新技術(shù)的普遍采用，反潛問(wèn)題受到各國(guó)空前的重視。一種有效的方法是轉(zhuǎn)向測(cè)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(tīng)器。即要求探測(cè)換能器具有低頻檢測(cè)能力。低頻三維空間全向矢量檢測(cè)器己成為新的技術(shù)需求。這種低頻矢量水聽(tīng)器的研制成功可以預(yù)期解決遠(yuǎn)程傳播低頻信號(hào)的檢測(cè)問(wèn)題。同時(shí)，隨著目標(biāo)信號(hào)的減弱，高靈敏度檢測(cè)問(wèn)題也變得迫切。貴州水下核電水下安防設(shè)備</p><p style="text-indent:25px">云南保利天同水下裝備科技有限公司致力于機(jī)械及行業(yè)設(shè)備，是一家貿(mào)易型公司。保利天同水下裝備致力于為客戶(hù)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，一切以用戶(hù)需求為中心，深受廣大客戶(hù)的歡迎。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于機(jī)械及行業(yè)設(shè)備行業(yè)的發(fā)展。保利天同水下裝備秉承“客戶(hù)為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實(shí)”的經(jīng)營(yíng)理念，全力打造公司的重點(diǎn)競(jìng)爭(zhēng)力。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3132837.html</p></div></div></div></div></div><div id="881rgwb" class="page-right twoColRt"><div id="by883yh" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="b386rvp" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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