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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>貴州水下攔截裝備,水下</p><p><span>***更新：</span>2021-02-05 08:23:54</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="8ojzbin" 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(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] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="jgo8qam" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="p3qi3zj" class="box"><p><p> 水聲通信國內(nèi)發(fā)展：我國廈門大學(xué)以許克平教授為首的這個(gè)課題組出色地完成了國家交給他們的863項(xiàng)目，已經(jīng)成功解決了在10公里之內(nèi)水下信號(hào)相互清晰的傳遞，他們這個(gè)系統(tǒng)已達(dá)到實(shí)用要求。他們認(rèn)真分析了世界上抗多途干擾的幾種方法，然后課題組一致認(rèn)為還是采用電磁波抗干擾的手段——跳頻通信，它既能抗多途徑干擾又能保證信息安全。如果電磁波的跳頻技術(shù)用在海中，頻率資源充足的情況下傳輸一組信號(hào)，頻率相差大時(shí)，電路內(nèi)部做處理的時(shí)候，就用兩個(gè)不同頻率表示1和0，相當(dāng)于顏色相差大，如：赤、橙、黃、綠、青、藍(lán)、紫這一組信號(hào)就象征一個(gè)文字，碰到干擾后雖然到達(dá)的時(shí)間不一致，但由于顏色的區(qū)別大也就是頻率相差大接收方就容易辨認(rèn)了，這樣就解決了信號(hào)干擾問題，貴州水下攔截裝備，貴州水下攔截裝備。經(jīng)過攻關(guān)他們研制出一個(gè)全新的跳頻技術(shù)，終于成功解決了多途徑干擾問題。因?yàn)檎Z音傳輸是水聲通信比較難攻克的瓶頸問題，貴州水下攔截裝備，要求精確度極高，難度也更大，語音傳輸成功的實(shí)現(xiàn)，使這個(gè)項(xiàng)目完全成功了，他們做到了。課題組又迎接了新一輪的挑戰(zhàn)，投入遠(yuǎn)距離50公里以外的數(shù)字式語音和圖象傳遞，以及數(shù)字式彩色圖象傳遞的工作中。深海通信裝備生產(chǎn)公司。貴州水下攔截裝備</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴州水下攔截裝備,水下" src="https://tyunfile.71360.com/UploadFile/ynbltt/637478029144571763/9544308.png"></div><p> 水下定位導(dǎo)航方法：天文導(dǎo)航法。天文導(dǎo)航法是利用對(duì)自然天體的測(cè)量來確定自身位置和航向的導(dǎo)航技術(shù)。由于天體的位置是已知的，測(cè)量天體相對(duì)于導(dǎo)航用戶參考基準(zhǔn)面的高度角和方位角就可計(jì)算出用戶的位置和航向。天文導(dǎo)航系統(tǒng)不需要其他地面設(shè)備的支持，所以是自主式導(dǎo)航系統(tǒng)。不受人工或自然形成的電磁場(chǎng)的干擾，不向外輻射電磁波，隱蔽性好，定位、定向的精度比較高，定位誤差與定位時(shí)刻無關(guān)，因而得到廣泛應(yīng)用。其原理以天體作為參考點(diǎn)，可確定水下潛器的真航向。使天文導(dǎo)航潛望鏡自動(dòng)對(duì)準(zhǔn)天體方向可以測(cè)出水下潛器前進(jìn)方向（縱軸）與天體方向(即望遠(yuǎn)鏡軸線方向)之間的夾角（稱為航向角)。由于天體在任—瞬間相對(duì)于南北子午線之間的夾角(即天體方位角）是已知的。四川水下攔截裝備微型慣導(dǎo)裝備生產(chǎn)公司。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴州水下攔截裝備,水下" src="https://tyunfile.71360.com/UploadFile/ynbltt/637478029104386329/3602001.png"></div><p> 水下導(dǎo)航定位，慣性導(dǎo)航：慣性導(dǎo)航是一種自主式的導(dǎo)航方法。它完全依靠機(jī)載設(shè)備自主的完成導(dǎo)航任務(wù)，和外界不發(fā)生任何光、電聯(lián)系，因此隱蔽性好，工作不受氣候條件的限制。這一獨(dú)特的優(yōu)點(diǎn)，對(duì)作為軍*目的而應(yīng)用的各種航行器特別重要。所以近幾十年來，慣性導(dǎo)航在導(dǎo)彈、艦船、潛艇、水下武器、飛機(jī)、宇宙航行器上都得到了寬泛的應(yīng)用，在導(dǎo)航技術(shù)中占有突出的地位。慣性導(dǎo)航用于水下導(dǎo)航，是通過將加速度對(duì)時(shí)間兩次積分來獲得水下潛器的位置，其優(yōu)點(diǎn)是自主性和隱蔽性好。缺點(diǎn)是由于陀螺隨時(shí)間不斷漂移，在長時(shí)間工作情況下導(dǎo)航定位累積誤差較大。早期的慣導(dǎo)系統(tǒng)復(fù)雜、體積大、能耗高不適合潛水器使用，現(xiàn)在隨著光纖、激光等新型固態(tài)陀螺技術(shù)的不斷進(jìn)步，為實(shí)現(xiàn)研制體積小、精度高、可靠性好、能耗與成本指標(biāo)低的INS提供了條件，因此在未來的自主式潛航器（AUV)上將有可能大量采用這些新型INS。目前，國外水下潛器常用的INS主要有:美國霍尼韋爾公司RL34環(huán)形激光陀螺慣性導(dǎo)航系統(tǒng)、美國Crossbow公司的微機(jī)械陀螺慣性導(dǎo)航系統(tǒng)等。 </p><p style="text-indent:25px"> 水聽器：將聲信號(hào)轉(zhuǎn)換成電信號(hào)的換能器，用來接收水中的聲信號(hào)，稱為接收換能器，也常稱為水聽器。水聽器常用于水中通信、探洲、目標(biāo)定位、跟*等，是聲納的重要部件，水下的探測(cè)、識(shí)別、通信，以及海洋環(huán)境監(jiān)側(cè)和海洋資源的開發(fā)，都離不開水聲換能器。水聲換能器是將電信號(hào)轉(zhuǎn)換為水聲信號(hào)或?qū)⑺曅盘?hào)轉(zhuǎn)換為電信號(hào)的器件，其在聲納中的地位類似于無線電設(shè)備中的天線，是在水下發(fā)射和接收聲波的聲學(xué)器件。將電信號(hào)轉(zhuǎn)換成水聲信號(hào)的換能器，用來向水中輻射聲波，稱為發(fā)射換能器。將聲信號(hào)轉(zhuǎn)換成電信號(hào)的換能器，用來接收水中的聲信號(hào)，稱為接收換能器，也常稱為水聽器。水聲定位導(dǎo)航裝備生產(chǎn)公司。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="貴州水下攔截裝備,水下" src="https://tyunfile.71360.com/UploadFile/ynbltt/637478028580704624/953509.png"></div><p style="text-indent:25px"> 聲吶結(jié)構(gòu)分類：被動(dòng)聲吶。聲吶設(shè)計(jì)者只能對(duì)某預(yù)定目標(biāo)的聲音進(jìn)行設(shè)計(jì)，如目標(biāo)為潛艇，那么目標(biāo)自身發(fā)出的噪聲包括螺旋槳轉(zhuǎn)動(dòng)噪聲、艇體與水流摩擦產(chǎn)生的動(dòng)水噪聲，以及各種發(fā)動(dòng)機(jī)的機(jī)械振動(dòng)引起的輻射噪聲等。因此被動(dòng)聲吶（噪音站）與主動(dòng)聲吶比較根本的區(qū)別在于它在本艦噪聲背景下接收遠(yuǎn)場(chǎng)目標(biāo)發(fā)出的噪聲。此時(shí)，目標(biāo)噪聲作為信號(hào)，且經(jīng)遠(yuǎn)距傳播后變得十分微弱。由此可知，被動(dòng)聲吶往往工作于低信噪比情況下，因而需要采用比主動(dòng)聲吶更多的信號(hào)處理措施。被動(dòng)聲吶沒有發(fā)射機(jī)部分?；匾粽?、測(cè)深儀、通信儀、探雷器等等均可歸入主動(dòng)聲吶類，而噪音站、偵察儀等則歸人被動(dòng)聲吶類。遠(yuǎn)距離探測(cè)聲吶裝備生產(chǎn)公司。貴州水下目標(biāo)識(shí)別設(shè)備</p><p style="text-indent:25px">水下搜索裝備生產(chǎn)公司。貴州水下攔截裝備</p><p style="text-indent:25px"> 從能量檢測(cè)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(shí)現(xiàn)遠(yuǎn)場(chǎng)多目標(biāo)的識(shí)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(cè)是聲納系統(tǒng)的一個(gè)發(fā)展趨勢(shì)，正越來越被各個(gè)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(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，反潛問題受到各國空前的重視。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)問題。同時(shí)，隨著目標(biāo)信號(hào)的減弱，高靈敏度檢測(cè)問題也變得迫切。貴州水下攔截裝備</p><p style="text-indent:25px">云南保利天同水下裝備科技有限公司擁有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(shì)，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(jī)、小型化高精度多譜勒計(jì)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(jià)值，世界因你而不同。公司愿景：用專注、持續(xù)改進(jìn)的優(yōu)良產(chǎn)品達(dá)成更好的客戶感受和口碑。等多項(xiàng)業(yè)務(wù)，主營業(yè)務(wù)涵蓋水聲通訊設(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。公司目前擁有專業(yè)的技術(shù)員工，為員工提供廣闊的發(fā)展平臺(tái)與成長空間，為客戶提供高質(zhì)的產(chǎn)品服務(wù)，深受員工與客戶好評(píng)。公司業(yè)務(wù)范圍主要包括：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)備等。公司奉行顧客至上、質(zhì)量為本的經(jīng)營宗旨，深受客戶好評(píng)。公司力求給客戶提供全數(shù)良好服務(wù)，我們相信誠實(shí)正直、開拓進(jìn)取地為公司發(fā)展做正確的事情，將為公司和個(gè)人帶來共同的利益和進(jìn)步。經(jīng)過幾年的發(fā)展，已成為水聲通訊設(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)備行業(yè)出名企業(yè)。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/3174016.html</p></div></div></div></div></div><div id="u2htvsz" class="page-right twoColRt"><div id="2qxzgk3" class="box01 margin10 clearfix"><h3><a 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