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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>四川省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>四川監(jiān)測(cè)管理時(shí)鐘北斗GPS衛(wèi)星授時(shí)設(shè)備/裝置批發(fā)廠家,北斗GPS衛(wèi)星授時(shí)設(shè)備/裝置</p><p><span>***更新：</span>2021-01-27 07:04:20</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="i8qcrd3" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">成都可為科技股份有限公司</a></p><p><span>聯(lián)系人：</span>蘇經(jīng)理</p><p><span>郵箱: </span>cove855@sina.com</p><p><span>電話: </span>13551259977</p><p><span>傳真: </span>028_85319969</p><p><span>網(wǎng)址: </span>http://www.cove.com.cn</p><p><span>手機(jī): </span>028-85319969</p><p><span>地址: </span>成都市高新區(qū)天府大道中段1366號(hào)2棟4層1-3號(hào)</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="28q3xxj" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="aoqxzqm" class="box"><p><p style="text-indent:25px">時(shí)間同步的另一種方法是用無(wú)線電波傳播時(shí)間信息。即利用無(wú)線電波來(lái)傳遞時(shí)間標(biāo)準(zhǔn)．然后由授時(shí)型接收機(jī)恢復(fù)時(shí)號(hào)與本地鐘相應(yīng)時(shí)號(hào)比對(duì)，扣除它在傳播路徑上的時(shí)延及各種誤差因素的影響，實(shí)現(xiàn)鐘的同步。隨著對(duì)時(shí)鐘同步精度要求的不斷提高，用無(wú)線電波授時(shí)的方法，開(kāi)始用短波授時(shí)（ms級(jí)精度），由于短波傳播路徑受電離層變化的影響，天波有一次和多次天波，地波傳播距離近，使授時(shí)精度*能達(dá)到ms級(jí)。后來(lái)發(fā)展到用超長(zhǎng)波即用奧米伽臺(tái)授時(shí)，其授時(shí)精度約10μs左右，后來(lái)又用長(zhǎng)波即用羅蘭C臺(tái)鏈兼顧授時(shí)，其授時(shí)精度可達(dá)到μs，即使羅蘭C臺(tái)鏈組網(wǎng)也難于做到全球覆蓋。后來(lái)又發(fā)展到用衛(wèi)星鐘作搬鐘。用超短波傳播時(shí)號(hào)．通過(guò)用戶接收共視某顆衛(wèi)星，四川監(jiān)測(cè)管理時(shí)鐘北斗GPS衛(wèi)星授時(shí)設(shè)備/裝置批發(fā)廠家，使其授時(shí)精度優(yōu)于搬鐘可達(dá)到10ns精度?？磥?lái)利用衛(wèi)星授時(shí)是實(shí)現(xiàn)全球范圍時(shí)鐘精密同步的好辦法，只有利用衛(wèi)星，才可在全球范圍內(nèi)用超短波傳播時(shí)號(hào)；用超短波傳播時(shí)號(hào)不*傳遞精度高，而且可提高時(shí)鐘比對(duì)精度，通過(guò)共視方法，把衛(wèi)星鐘當(dāng)作搬運(yùn)鐘使用，且能使授時(shí)精度高于直接搬鐘，直接搬鐘難于使兩地時(shí)鐘去共視它。共視可以消除很多系統(tǒng)誤差以及隨時(shí)間慢變化的誤差，四川監(jiān)測(cè)管理時(shí)鐘北斗GPS衛(wèi)星授時(shí)設(shè)備/裝置批發(fā)廠家，快變化的隨機(jī)誤差可通過(guò)積累平滑消除。成都可為是專(zhuān)業(yè)從事信息化，四川監(jiān)測(cè)管理時(shí)鐘北斗GPS衛(wèi)星授時(shí)設(shè)備/裝置批發(fā)廠家、智能化解決方案的****、軍民融合企業(yè)、**裝備制造企業(yè)。四川監(jiān)測(cè)管理時(shí)鐘北斗GPS衛(wèi)星授時(shí)設(shè)備/裝置批發(fā)廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川監(jiān)測(cè)管理時(shí)鐘北斗GPS衛(wèi)星授時(shí)設(shè)備/裝置批發(fā)廠家,北斗GPS衛(wèi)星授時(shí)設(shè)備/裝置" src="https://tyunfile.71360.com/WaterMark/UploadFile/CTCOVE/637387907287234933/1565760.png"></div><p style="text-indent:25px">建設(shè)“具有**的國(guó)際**能源互聯(lián)網(wǎng)”已成為國(guó)家電網(wǎng)公司的戰(zhàn)略目標(biāo)，先進(jìn)的信息通信網(wǎng)是實(shí)現(xiàn)國(guó)網(wǎng)公司戰(zhàn)略的有效支撐，到2021年初步建成泛在電力物聯(lián)網(wǎng)，到2021年初步建成能源互聯(lián)網(wǎng)，基本實(shí)現(xiàn)業(yè)務(wù)協(xié)同和數(shù)據(jù)貫通，初步實(shí)現(xiàn)統(tǒng)一物聯(lián)管理，各級(jí)智慧能源綜合服務(wù)平臺(tái)具備基本功能，支撐電網(wǎng)業(yè)務(wù)與新興業(yè)務(wù)發(fā)展。在感知層，需要把分布在各個(gè)空間位置的傳感器的時(shí)間統(tǒng)一到參考的標(biāo)準(zhǔn)時(shí)間，以提高數(shù)據(jù)融合效率；在網(wǎng)絡(luò)層，5G移動(dòng)通信、電力無(wú)線專(zhuān)網(wǎng)的基站必需嚴(yán)格的時(shí)間同步，以保障業(yè)務(wù)的質(zhì)量及系統(tǒng)的運(yùn)行；在平臺(tái)層，各服務(wù)器需要時(shí)間同步，不同計(jì)算設(shè)備之間控制、計(jì)算、處理、應(yīng)用等數(shù)據(jù)或操作都具有時(shí)序性；在智能層，具有準(zhǔn)確時(shí)間相關(guān)性的數(shù)據(jù)可以提升數(shù)據(jù)匯聚、協(xié)同、挖掘等大數(shù)據(jù)的能力，提高人工智能的水平。時(shí)間的偏差和混亂加大了判斷電網(wǎng)事故原因的難度，并在一定程度上導(dǎo)致判斷失誤。對(duì)于基于時(shí)間邏輯的控制程序，如數(shù)字化保護(hù)等，時(shí)間的誤差還有可能導(dǎo)致裝置誤動(dòng)作的可能。對(duì)于基于時(shí)間戳認(rèn)證的信息化系統(tǒng)，時(shí)間的偏差會(huì)造成用戶無(wú)法使用信息化系統(tǒng)。時(shí)間的準(zhǔn)確度和網(wǎng)同步對(duì)于能源互聯(lián)網(wǎng)來(lái)說(shuō)變得越來(lái)越重要四川多功能輸出北斗GPS衛(wèi)星授時(shí)設(shè)備/裝置批量按需定制信息時(shí)代的到來(lái)，高精度時(shí)間頻率已成為國(guó)家科技、經(jīng)濟(jì)、***、***和社會(huì)生活中至關(guān)重要的一個(gè)參量。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川監(jiān)測(cè)管理時(shí)鐘北斗GPS衛(wèi)星授時(shí)設(shè)備/裝置批發(fā)廠家,北斗GPS衛(wèi)星授時(shí)設(shè)備/裝置" src="https://tyunfile.71360.com/WaterMark/UploadFile/CTCOVE/637387903287010203/4233404.png"></div><p style="text-indent:25px">成都可為科技股份有限公司生產(chǎn)授時(shí)設(shè)備主要特點(diǎn)： 1.同步精度高，易于操作，性能可靠。 2.冗余配置，系統(tǒng)的可靠性高。 3.采用模塊化設(shè)計(jì)，功能和技術(shù)指標(biāo)的調(diào)整簡(jiǎn)單方便。 4.采用插件式設(shè)計(jì)，輕松更換各種輸出信號(hào)模塊，滿足不同的需要。 5.系統(tǒng)硬件設(shè)計(jì)滿足電磁兼容標(biāo)準(zhǔn)和符合環(huán)保標(biāo)準(zhǔn)要求。 6.時(shí)間同步網(wǎng)具有多重時(shí)間延遲測(cè)算功能，自動(dòng)延遲補(bǔ)償。 7.輸出信號(hào)均經(jīng)光電隔離，抗干擾能力強(qiáng)。 8.多種串行信息輸出與交互方式，以滿足不同用戶不同的信號(hào)利用需求。 9.完備的故障告警功能，如IRIG-B、CBD、GPS故障告警等。 10.網(wǎng)管功能完善，支持多種網(wǎng)管協(xié)議，如DL/T60870-5-104、DL/T等協(xié)議。</p><p style="text-indent:25px">時(shí)間頻率產(chǎn)品在*****運(yùn)用現(xiàn)代***中，各武器平臺(tái)的通信、導(dǎo)航、雷達(dá)、電子對(duì)抗等電子設(shè)備都需要高精度時(shí)頻同步，保證在相同的時(shí)頻標(biāo)準(zhǔn)下工作，以滿足武器發(fā)射、彈道測(cè)控、預(yù)警探測(cè)、載機(jī)導(dǎo)航、精確打擊、數(shù)據(jù)鏈、數(shù)字通信、情報(bào)偵察、防空反導(dǎo)、敵我識(shí)別和協(xié)同作戰(zhàn)等要求。此外，在衛(wèi)星、導(dǎo)彈、載人飛船等航天測(cè)控領(lǐng)域，其要求的時(shí)間同步精度達(dá)微秒量級(jí)，頻率準(zhǔn)確度達(dá)10-12量級(jí)。隨著我國(guó)航天領(lǐng)域的快速發(fā)展，航天測(cè)控、靶場(chǎng)試驗(yàn)等領(lǐng)域?qū)Ω呔葧r(shí)間同步設(shè)備需求量較大?？蔀楣緭碛凶灾鞯难邪l(fā)團(tuán)隊(duì)，建立了自由的設(shè)計(jì)、研發(fā)、生產(chǎn)、銷(xiāo)售、售后服務(wù)的團(tuán)隊(duì)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="四川監(jiān)測(cè)管理時(shí)鐘北斗GPS衛(wèi)星授時(shí)設(shè)備/裝置批發(fā)廠家,北斗GPS衛(wèi)星授時(shí)設(shè)備/裝置" src="https://tyunfile.71360.com/WaterMark/UploadFile/CTCOVE/637387906031521852/2261102.png"></div><p style="text-indent:25px"> 從2008年3月開(kāi)始，中國(guó)移動(dòng)就啟動(dòng)了“TD-SCDMA系統(tǒng)GPS替代方案”的技術(shù)工作，探討采用其它的新授時(shí)技術(shù)，實(shí)現(xiàn)GPS之外的授時(shí)方案。期望從時(shí)間信號(hào)的來(lái)源和傳輸兩個(gè)方面相結(jié)合，徹底擺脫目前我國(guó)移動(dòng)通信網(wǎng)絡(luò)嚴(yán)重依賴美國(guó)GPS授時(shí)的情況。但是8年多的時(shí)間過(guò)去了，迄今為止，中國(guó)移動(dòng)的5G基站未能實(shí)現(xiàn)GPS替代技術(shù)。這是因?yàn)橹袊?guó)移動(dòng)通過(guò)使用PTN傳輸網(wǎng)，采用IEEE 1588v2替代GPS時(shí)鐘傳送技術(shù)來(lái)解決網(wǎng)絡(luò)節(jié)點(diǎn)間的時(shí)間同步問(wèn)題。雖然IEEE 1588v2是目前WeiYi不通過(guò)GPS解決時(shí)間同步的技術(shù)手段，但是存在著難以克服的光纖鏈路非對(duì)稱時(shí)延的技術(shù)問(wèn)題，因此無(wú)法在PTN網(wǎng)絡(luò)大規(guī)模應(yīng)用。中國(guó)移動(dòng)現(xiàn)有的通信網(wǎng)絡(luò)，目前只能普遍選擇GPS作為時(shí)鐘源頭。通信基站采用GPS授時(shí)，還存在一個(gè)難以克服的問(wèn)題，就是GPS信號(hào)無(wú)法覆蓋室內(nèi)、隧道、地下室等衛(wèi)星信號(hào)難以達(dá)到的地方，極大地限制了這些地方通信基站的正常運(yùn)行?？蔀楣揪哂幸磺Ф嗥矫咨a(chǎn)廠房，建立了行業(yè)**生產(chǎn)線；建立了老化、高低溫等實(shí)驗(yàn)室。四川多功能輸出北斗GPS衛(wèi)星授時(shí)設(shè)備/裝置批量按需定制</p><p style="text-indent:25px">高精度的時(shí)間同步可提高系統(tǒng)的安全可靠穩(wěn)定等性能；同時(shí)時(shí)間信息的錯(cuò)亂、誤差等可能會(huì)影響系統(tǒng)正常運(yùn)行。四川監(jiān)測(cè)管理時(shí)鐘北斗GPS衛(wèi)星授時(shí)設(shè)備/裝置批發(fā)廠家</p><p style="text-indent:25px">時(shí)統(tǒng)設(shè)備授時(shí)時(shí)鐘源選擇時(shí)統(tǒng)設(shè)備在項(xiàng)目配置中，通常具有多種時(shí)鐘源和授時(shí)源的選擇，關(guān)于時(shí)統(tǒng)設(shè)備常用的時(shí)鐘源在這里做簡(jiǎn)單的說(shuō)明。在時(shí)統(tǒng)設(shè)備配置中內(nèi)置銣原子鐘（可選擇恒溫晶振OXCO或銫鐘等）作為內(nèi)部基準(zhǔn)，衛(wèi)星參考通常選擇以GPS北斗雙模衛(wèi)星信號(hào)為主（可選擇收星模式），除內(nèi)部基準(zhǔn)參考也可選擇 10MHz 等多種頻標(biāo)外部參考，1PPS外部參考， IRIG-B(AC，) IRIG-B(DC等) 信號(hào)，使用外部時(shí)間頻率信號(hào)對(duì)時(shí)統(tǒng)設(shè)備進(jìn)行時(shí)間頻率同步等。時(shí)鐘設(shè)備授時(shí)源是通過(guò)時(shí)鐘源產(chǎn)生的標(biāo)準(zhǔn)時(shí)間信號(hào)，包括但不限于IRIG-（B DC）碼信號(hào)，IRIG-B（AC）碼信號(hào)，NTP/PTP網(wǎng)絡(luò)授時(shí)信號(hào)， 1PPS（秒信號(hào)）同步脈沖信號(hào)及串口時(shí)間信息等多種帶有時(shí)間協(xié)議的授時(shí)源信號(hào)，通過(guò)不同授時(shí)方式顯示年月日時(shí)分秒及主要狀態(tài)等信息。四川監(jiān)測(cè)管理時(shí)鐘北斗GPS衛(wèi)星授時(shí)設(shè)備/裝置批發(fā)廠家</p><p> 成都可為科技股份有限公司（原名為“成都可為科技發(fā)展有限公司”）位于成都高新區(qū)，成立于2000年7月，是專(zhuān)業(yè)從事信息化、智能化解決方案的****、軍民融合企業(yè)、**裝備制造企業(yè)、知識(shí)產(chǎn)權(quán)試點(diǎn)企業(yè)和安全生產(chǎn)標(biāo)準(zhǔn)化二級(jí)企業(yè)。公司于2016年12月在全國(guó)中小企業(yè)股份轉(zhuǎn)讓系統(tǒng)掛牌上市。 </p> <p> 公司是專(zhuān)業(yè)從事時(shí)間頻率產(chǎn)品研發(fā)、生產(chǎn)、檢測(cè)、銷(xiāo)售、售后服務(wù)于一體的公司。時(shí)間頻率產(chǎn)品包括CT-TSS-4200時(shí)間同步裝置，CT-WTFS9000廣域時(shí)間頻率同步系統(tǒng)，CT-TOMS3600時(shí)間監(jiān)測(cè)系統(tǒng)，CT-TSS2000系列時(shí)間同步系統(tǒng)，CT-TSS3000系列時(shí)間同步系統(tǒng)，CT-BDS系列衛(wèi)星同步時(shí)鐘，CT-GPS系列衛(wèi)星同步時(shí)鐘，CT-TCS100系列時(shí)間精度測(cè)試儀等產(chǎn)品。這些產(chǎn)品結(jié)合北斗、GPS、原子鐘、晶振、PTP等技術(shù)，采用模塊化和插件式設(shè)計(jì)，多源輸入，多制式輸出，滿足各種類(lèi)型設(shè)備接口要求，并考慮了各種涉及**的因素，具有高精度、高穩(wěn)定性、高可靠性、抗干擾能力強(qiáng)、配置靈活，不受地域條件限制等特點(diǎn)。 </p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3032453.html</p></div></div></div></div></div><div id="sqx7df2" class="page-right twoColRt"><div id="vstegip" class="box01 margin10 clearfix"><h3><a 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