近期(qi)，我公司(si)生產的(de)北(bei)(bei)斗(dou)(dou)(dou)(dou)GPS冗余時(shi)(shi)(shi)(shi)(shi)(shi)(shi)鐘(zhong)同(tong)(tong)(tong)步(bu)(bu)系統(tong)在新疆(jiang)哈(ha)爾莫(mo)墩水電站(zhan)成功投運北(bei)(bei)斗(dou)(dou)(dou)(dou)GPS冗余時(shi)(shi)(shi)(shi)(shi)(shi)(shi)鐘(zhong)同(tong)(tong)(tong)步(bu)(bu)系統(tong)（NTP時(shi)(shi)(shi)(shi)(shi)(shi)(shi)鐘(zhong)授(shou)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)器(qi),GPS衛星對(dui)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)器(qi),北(bei)(bei)斗(dou)(dou)(dou)(dou)同(tong)(tong)(tong)步(bu)(bu)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)鐘(zhong)）以GPS信(xin)(xin)號作(zuo)為時(shi)(shi)(shi)(shi)(shi)(shi)(shi)鐘(zhong)源(yuan)(yuan)，同(tong)(tong)(tong)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)可選北(bei)(bei)斗(dou)(dou)(dou)(dou)信(xin)(xin)號、IRIG-B碼、OCXO、銣原子鐘(zhong)、CDMA信(xin)(xin)號等時(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)源(yuan)(yuan)，內嵌NTP/SNTP協議(yi)，同(tong)(tong)(tong)步(bu)(bu)網(wang)絡(luo)中(zhong)的(de)計算機服(fu)務器(qi)、DVR、NVR等設備(bei)，實(shi)現網(wang)絡(luo)授(shou)時(shi)(shi)(shi)(shi)(shi)(shi)(shi),是為網(wang)絡(luo)設備(bei)提供(gong)準確、標(biao)準、安(an)全、可靠的(de)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)同(tong)(tong)(tong)步(bu)(bu)服(fu)務的(de)理想選擇。北(bei)(bei)斗(dou)(dou)(dou)(dou)GPS冗余時(shi)(shi)(shi)(shi)(shi)(shi)(shi)鐘(zhong)同(tong)(tong)(tong)步(bu)(bu)系統(tong)產品的(de)一(yi)種工作(zuo)模式是自動同(tong)(tong)(tong)步(bu)(bu)于(yu)GPS、北(bei)(bei)斗(dou)(dou)(dou)(dou)、IRIG-B、1PPS、10Mhz中(zhong)的(de)高優先(xian)權，假如(ru)高優先(xian)權的(de)信(xin)(xin)號丟失或(huo)恢復，裝置(zhi)會平(ping)穩地從當(dang)前的(de)信(xin)(xin)號轉變為可獲得(de)的(de)信(xin)(xin)號。在有不(bu)同(tong)(tong)(tong)的(de)備(bei)份時(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)源(yuan)(yuan)和(he)頻率源(yuan)(yuan)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)是佳操作(zuo)的(de)行為。裝置(zhi)也(ye)能(neng)(neng)回復于(yu)二種工作(zuo)模式和(he)重新得(de)到(dao)用戶指定(ding)的(de)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)源(yuan)(yuan)的(de)信(xin)(xin)號。同(tong)(tong)(tong)樣，裝置(zhi)能(neng)(neng)產生IRIG-B、串口、脈沖、NTP、PTP、10Mhz信(xin)(xin)號輸(shu)出(chu)。裝置(zhi)獲得(de)GPS時(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)源(yuan)(yuan)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)的(de)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)精度(du)是相對(dui)于(yu)UTC時(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)50十億分之一(yi)秒(miao)。GPS時(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)同(tong)(tong)(tong)步(bu)(bu)系統(tong)的(de)NTP時(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)服(fu)務器(qi)配(pei)置(zhi)液晶顯示單(dan)元，可直接顯示“年：月：日：時(shi)(shi)(shi)(shi)(shi)(shi)(shi)：分：秒(miao)”標(biao)準時(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)格式。時(shi)(shi)(shi)(shi)(shi)(shi)(shi)鐘(zhong)同(tong)(tong)(tong)步(bu)(bu)卡

GPS同(tong)步(bu)(bu)(bu)(bu)時(shi)鐘(zhong)裝(zhuang)(zhuang)置(zhi)組合(he)選(xuan)用(yong)(yong)高(gao)精度(du)GPS接收(shou)機/北(bei)(bei)斗(dou)二代接收(shou)機/外(wai)(wai)部B碼基(ji)準(zhun)/NTP輸(shu)(shu)入，提(ti)供高(gao)可(ke)靠性(xing)、高(gao)冗余度(du)的(de)(de)(de)(de)(de)時(shi)間(jian)(jian)(jian)(jian)基(ji)準(zhun)信(xin)號(hao)(hao)，并(bing)采用(yong)(yong)先進的(de)(de)(de)(de)(de)時(shi)間(jian)(jian)(jian)(jian)頻率(lv)測控(kong)技術馴(xun)服(fu)晶(jing)振(zhen)(zhen)(zhen)，使守(shou)時(shi)電路輸(shu)(shu)出(chu)(chu)的(de)(de)(de)(de)(de)時(shi)間(jian)(jian)(jian)(jian)同(tong)步(bu)(bu)(bu)(bu)信(xin)號(hao)(hao)精密同(tong)步(bu)(bu)(bu)(bu)在GPS/北(bei)(bei)斗(dou)/外(wai)(wai)部B碼/NTP輸(shu)(shu)入時(shi)間(jian)(jian)(jian)(jian)基(ji)準(zhun)上(shang)，輸(shu)(shu)出(chu)(chu)短期(qi)和長期(qi)穩定度(du)都十(shi)分優良的(de)(de)(de)(de)(de)高(gao)精度(du)同(tong)步(bu)(bu)(bu)(bu)信(xin)號(hao)(hao)。K801GPS同(tong)步(bu)(bu)(bu)(bu)時(shi)鐘(zhong)裝(zhuang)(zhuang)置(zhi)采用(yong)(yong)精細的(de)(de)(de)(de)(de)測頻與智能(neng)(neng)馴(xun)服(fu)算法，使振(zhen)(zhen)(zhen)蕩器(qi)(qi)(qi)時(shi)間(jian)(jian)(jian)(jian)頻率(lv)信(xin)號(hao)(hao)與GPS衛(wei)星(xing)(xing)/北(bei)(bei)斗(dou)衛(wei)星(xing)(xing)/外(wai)(wai)部B碼時(shi)間(jian)(jian)(jian)(jian)基(ji)準(zhun)保持精密同(tong)步(bu)(bu)(bu)(bu)。由于(yu)裝(zhuang)(zhuang)置(zhi)輸(shu)(shu)出(chu)(chu)的(de)(de)(de)(de)(de)1PPS等時(shi)間(jian)(jian)(jian)(jian)信(xin)號(hao)(hao)是內置(zhi)振(zhen)(zhen)(zhen)蕩器(qi)(qi)(qi)的(de)(de)(de)(de)(de)分頻秒信(xin)號(hao)(hao)輸(shu)(shu)出(chu)(chu)，同(tong)步(bu)(bu)(bu)(bu)于(yu)GPS/北(bei)(bei)斗(dou)信(xin)號(hao)(hao)但并(bing)不(bu)(bu)(bu)受GPS/北(bei)(bei)斗(dou)秒脈沖信(xin)號(hao)(hao)跳變帶來(lai)的(de)(de)(de)(de)(de)影響(xiang)，相當(dang)于(yu)UTC時(shi)間(jian)(jian)(jian)(jian)基(ji)準(zhun)的(de)(de)(de)(de)(de)復(fu)現(xian)。采用(yong)(yong)了“智能(neng)(neng)學(xue)習算法”的(de)(de)(de)(de)(de)GPS北(bei)(bei)斗(dou)時(shi)鐘(zhong)，在馴(xun)服(fu)晶(jing)振(zhen)(zhen)(zhen)過程中能(neng)(neng)夠不(bu)(bu)(bu)斷“學(xue)習”晶(jing)振(zhen)(zhen)(zhen)的(de)(de)(de)(de)(de)運行特性(xing)，并(bing)將這些參數存入板載(zai)存儲器(qi)(qi)(qi)中。當(dang)外(wai)(wai)部時(shi)間(jian)(jian)(jian)(jian)基(ji)準(zhun)出(chu)(chu)現(xian)異常或(huo)不(bu)(bu)(bu)可(ke)用(yong)(yong)時(shi)，裝(zhuang)(zhuang)置(zhi)能(neng)(neng)夠自(zi)動切換到內部守(shou)時(shi)狀態，并(bing)依(yi)據板載(zai)存儲器(qi)(qi)(qi)中的(de)(de)(de)(de)(de)參數對(dui)晶(jing)體(ti)振(zhen)(zhen)(zhen)蕩器(qi)(qi)(qi)特性(xing)進行補償(chang)，使守(shou)時(shi)電路繼續提(ti)供高(gao)可(ke)靠性(xing)的(de)(de)(de)(de)(de)時(shi)間(jian)(jian)(jian)(jian)信(xin)息輸(shu)(shu)出(chu)(chu)，同(tong)時(shi)避免了因晶(jing)體(ti)振(zhen)(zhen)(zhen)蕩器(qi)(qi)(qi)老化造成(cheng)的(de)(de)(de)(de)(de)頻偏對(dui)守(shou)時(shi)指標的(de)(de)(de)(de)(de)影響(xiang)。NTP協議時(shi)間(jian)(jian)(jian)(jian)服(fu)務器(qi)(qi)(qi)GPS衛(wei)星(xing)(xing)校(xiao)時(shi)設備是嵌入式工業(ye)級主板，嵌入式操作系統。

全(quan)站(zhan)配(pei)置1套GPS時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)步(bu)(bu)(bu)系統(tong)(tong)，用于(yu)站(zhan)內(nei)變電站(zhan)自動(dong)化系統(tong)(tong)、各保(bao)護裝(zhuang)(zhuang)(zhuang)(zhuang)置及站(zhan)內(nei)其它需對時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)的(de)(de)(de)(de)裝(zhuang)(zhuang)(zhuang)(zhuang)置。同(tong)(tong)(tong)(tong)(tong)(tong)(tong)步(bu)(bu)(bu)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)裝(zhuang)(zhuang)(zhuang)(zhuang)置由標(biao)(biao)(biao)(biao)(biao)準(zhun)(zhun)(zhun)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)步(bu)(bu)(bu)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)本(ben)體(ti)和時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)步(bu)(bu)(bu)信(xin)號(hao)擴展裝(zhuang)(zhuang)(zhuang)(zhuang)置組成，標(biao)(biao)(biao)(biao)(biao)準(zhun)(zhun)(zhun)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)步(bu)(bu)(bu)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)本(ben)體(ti)能(neng)(neng)(neng)(neng)(neng)(neng)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)接(jie)(jie)收(shou)GPS衛星(xing)和北斗衛出的(de)(de)(de)(de)信(xin)號(hao)，做(zuo)為(wei)主(zhu)(zhu)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)的(de)(de)(de)(de)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)基(ji)(ji)準(zhun)(zhun)(zhun)，還能(neng)(neng)(neng)(neng)(neng)(neng)接(jie)(jie)收(shou)另外(wai)1臺標(biao)(biao)(biao)(biao)(biao)準(zhun)(zhun)(zhun)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)步(bu)(bu)(bu)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)發出的(de)(de)(de)(de)來有年月日(ri)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)分(fen)秒(miao)全(quan)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)信(xin)息且符合IEEE1344-1995標(biao)(biao)(biao)(biao)(biao)準(zhun)(zhun)(zhun)的(de)(de)(de)(de)IRIG-B(DC)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)碼(ma)（RS-422），作為(wei)主(zhu)(zhu)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)的(de)(de)(de)(de)備用外(wai)部(bu)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)基(ji)(ji)準(zhun)(zhun)(zhun)，為(wei)適應網(wang)日(ri)后建設(she)的(de)(de)(de)(de)全(quan)網(wang)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)步(bu)(bu)(bu)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)系統(tong)(tong)的(de)(de)(de)(de)需要(yao)，標(biao)(biao)(biao)(biao)(biao)準(zhun)(zhun)(zhun)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)步(bu)(bu)(bu)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)本(ben)體(ti)還需要(yao)預留(liu)一(yi)個(ge)能(neng)(neng)(neng)(neng)(neng)(neng)夠接(jie)(jie)受通信(xin)網(wang)絡傳播的(de)(de)(de)(de)IRIG-B(DC)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)碼(ma)（RS-422）的(de)(de)(de)(de)接(jie)(jie)口。標(biao)(biao)(biao)(biao)(biao)準(zhun)(zhun)(zhun)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)步(bu)(bu)(bu)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)本(ben)體(ti)和時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)步(bu)(bu)(bu)信(xin)號(hao)擴展裝(zhuang)(zhuang)(zhuang)(zhuang)置內(nei)部(bu)具備時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)保(bao)持(chi)單元，當(dang)接(jie)(jie)收(shou)到(dao)(dao)外(wai)部(bu)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)基(ji)(ji)準(zhun)(zhun)(zhun)信(xin)號(hao)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)，主(zhu)(zhu)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)被(bei)外(wai)部(bu)基(ji)(ji)準(zhun)(zhun)(zhun)信(xin)號(hao)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)步(bu)(bu)(bu)，當(dang)接(jie)(jie)收(shou)不到(dao)(dao)外(wai)部(bu)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)基(ji)(ji)準(zhun)(zhun)(zhun)信(xin)號(hao)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)，保(bao)持(chi)一(yi)定的(de)(de)(de)(de)走時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)準(zhun)(zhun)(zhun)確度(du)，使輸出的(de)(de)(de)(de)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)步(bu)(bu)(bu)信(xin)號(hao)仍能(neng)(neng)(neng)(neng)(neng)(neng)保(bao)持(chi)一(yi)定的(de)(de)(de)(de)準(zhun)(zhun)(zhun)確度(du)。時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)保(bao)持(chi)單元的(de)(de)(de)(de)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)準(zhun)(zhun)(zhun)確度(du)優于(yu)（1分(fen)鐘(zhong)(zhong)）。當(dang)外(wai)部(bu)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)基(ji)(ji)準(zhun)(zhun)(zhun)信(xin)號(hao)從消失(shi)到(dao)(dao)恢復時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)，標(biao)(biao)(biao)(biao)(biao)準(zhun)(zhun)(zhun)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)步(bu)(bu)(bu)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)本(ben)體(ti)和時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)標(biao)(biao)(biao)(biao)(biao)信(xin)號(hao)擴展裝(zhuang)(zhuang)(zhuang)(zhuang)置自動(dong)切換(huan)到(dao)(dao)正常的(de)(de)(de)(de)工作狀(zhuang)態，切換(huan)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)小于(yu)，切換(huan)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)主(zhu)(zhu)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)輸出的(de)(de)(de)(de)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)步(bu)(bu)(bu)信(xin)號(hao)不能(neng)(neng)(neng)(neng)(neng)(neng)出錯，時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)報文不能(neng)(neng)(neng)(neng)(neng)(neng)錯碼(ma)，脈(mo)沖(chong)碼(ma)不能(neng)(neng)(neng)(neng)(neng)(neng)多發或少發。采用2臺標(biao)(biao)(biao)(biao)(biao)準(zhun)(zhun)(zhun)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)步(bu)(bu)(bu)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)本(ben)體(ti)，當(dang)標(biao)(biao)(biao)(biao)(biao)準(zhun)(zhun)(zhun)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)步(bu)(bu)(bu)鐘(zhong)(zhong)本(ben)體(ti)輸出的(de)(de)(de)(de)時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)間(jian)同(tong)(tong)(tong)(tong)(tong)(tong)(tong)步(bu)(bu)(bu)信(xin)號(hao)不足時(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)。

上海(hai)(hai)(hai)銳呈(cheng)電(dian)氣有(you)限公司(si)主營GPS衛(wei)星同(tong)(tong)步時(shi)(shi)鐘，NTP時(shi)(shi)間(jian)(jian)(jian)(jian)服務器,北(bei)(bei)斗(dou)(dou)授(shou)時(shi)(shi)系(xi)統(tong),時(shi)(shi)間(jian)(jian)(jian)(jian)同(tong)(tong)步服務器，網(wang)絡(luo)時(shi)(shi)鐘同(tong)(tong)步系(xi)統(tong)，GPS校(xiao)時(shi)(shi)器，GPS對時(shi)(shi)裝置(zhi)，IEEE1588時(shi)(shi)鐘，子母(mu)鐘，公司(si)位于(yu)上海(hai)(hai)(hai)市(shi)楊浦區上海(hai)(hai)(hai)理工大學(xue)國家大學(xue)科技(ji)(ji)園內。北(bei)(bei)斗(dou)(dou)授(shou)時(shi)(shi)產(chan)(chan)品(pin)(pin)（北(bei)(bei)斗(dou)(dou)衛(wei)星同(tong)(tong)步時(shi)(shi)鐘,GPS網(wang)絡(luo)授(shou)時(shi)(shi),NTP時(shi)(shi)間(jian)(jian)(jian)(jian)服務器）是上海(hai)(hai)(hai)銳呈(cheng)電(dian)氣有(you)限公司(si)研制的應用(yong)GPS北(bei)(bei)斗(dou)(dou)技(ji)(ji)術授(shou)時(shi)(shi)的時(shi)(shi)間(jian)(jian)(jian)(jian)顯示和(he)發送的裝置(zhi)，該(gai)裝置(zhi)以(yi)GPS北(bei)(bei)斗(dou)(dou)時(shi)(shi)間(jian)(jian)(jian)(jian)信(xin)號(hao)(hao)為(wei)時(shi)(shi)間(jian)(jian)(jian)(jian)基準，可以(yi)同(tong)(tong)時(shi)(shi)跟蹤24顆(ke)衛(wei)星，授(shou)時(shi)(shi)精度達20nS。北(bei)(bei)斗(dou)(dou)授(shou)時(shi)(shi)產(chan)(chan)品(pin)(pin)采用(yong)表面貼(tie)裝技(ji)(ji)術生產(chan)(chan)，以(yi)高(gao)(gao)速(su)芯片進行控制，具有(you)精度高(gao)(gao)、穩定性(xing)好、功(gong)能強、無積累(lei)誤差、不(bu)受地域(yu)(yu)氣候(hou)等環境條件(jian)限制、性(xing)價(jia)比高(gao)(gao)、操作(zuo)簡(jian)單、免維護(hu)等特點，適(shi)合(he)無人值守。北(bei)(bei)斗(dou)(dou)授(shou)時(shi)(shi)產(chan)(chan)品(pin)(pin)有(you)2路RS232串行信(xin)號(hao)(hao)，2路RS422/485串行信(xin)號(hao)(hao)，1路可編程TTL脈(mo)沖信(xin)號(hao)(hao)，4路NTP/SNTP網(wang)絡(luo)對時(shi)(shi)信(xin)號(hao)(hao)，可以(yi)適(shi)應各種(zhong)不(bu)同(tong)(tong)設備的授(shou)時(shi)(shi)需要(yao)，廣(guang)泛應用(yong)于(yu)電(dian)力、金融、通信(xin)、交通、廣(guang)電(dian)、安防、石化、冶金、水利、**、醫療、教育、**機關、IT等領域(yu)(yu)。北(bei)(bei)斗(dou)(dou)授(shou)時(shi)(shi)產(chan)(chan)品(pin)(pin)的功(gong)能1.北(bei)(bei)斗(dou)(dou)GPS雙系(xi)統(tong)互為(wei)備用(yong)設計，可靠(kao)性(xing)高(gao)(gao)2.完善(shan)的北(bei)(bei)斗(dou)(dou)GPS信(xin)號(hao)(hao)性(xing)能監測(ce)。GPS時(shi)(shi)間(jian)(jian)(jian)(jian)同(tong)(tong)步系(xi)統(tong)可以(yi)通過網(wang)絡(luo)通道(dao)向各系(xi)統(tong)和(he)終端提(ti)供NTP授(shou)時(shi)(shi)。

上海銳呈電氣有限(xian)公司是一(yi)家致力于北(bei)斗(dou)(dou)衛(wei)星同(tong)(tong)步時(shi)(shi)鐘(zhong)(zhong),GPS同(tong)(tong)步時(shi)(shi)鐘(zhong)(zhong),NTP時(shi)(shi)鐘(zhong)(zhong)服(fu)(fu)務(wu)(wu)器(qi)(qi)(qi)(qi)(qi),時(shi)(shi)間(jian)同(tong)(tong)步服(fu)(fu)務(wu)(wu)器(qi)(qi)(qi)(qi)(qi),網絡授時(shi)(shi)服(fu)(fu)務(wu)(wu)器(qi)(qi)(qi)(qi)(qi),GPS對時(shi)(shi)裝置(zhi),GPS校時(shi)(shi)服(fu)(fu)務(wu)(wu)器(qi)(qi)(qi)(qi)(qi),GPS北(bei)斗(dou)(dou)雙(shuang)模(mo)(mo)時(shi)(shi)鐘(zhong)(zhong)系(xi)統,子母鐘(zhong)(zhong)系(xi)統的研發、生(sheng)產和(he)(he)銷售的企業。廣(guang)(guang)(guang)播(bo)(bo)(bo)模(mo)(mo)式(shi)(shi)(shi)需要(yao)GPS服(fu)(fu)務(wu)(wu)器(qi)(qi)(qi)(qi)(qi)端(duan)(duan)和(he)(he)客(ke)(ke)戶(hu)端(duan)(duan)都配置(zhi)相(xiang)關命令。廣(guang)(guang)(guang)播(bo)(bo)(bo)模(mo)(mo)式(shi)(shi)(shi)的工(gong)作過程如(ru)下。1）服(fu)(fu)務(wu)(wu)器(qi)(qi)(qi)(qi)(qi)端(duan)(duan)發送時(shi)(shi)鐘(zhong)(zhong)同(tong)(tong)步請求報文。2）服(fu)(fu)務(wu)(wu)器(qi)(qi)(qi)(qi)(qi)端(duan)(duan)周期性(xing)地(di)向(xiang)廣(guang)(guang)(guang)播(bo)(bo)(bo)目(mu)的地(di)址。3）客(ke)(ke)戶(hu)端(duan)(duan)偵(zhen)聽(ting)(ting)廣(guang)(guang)(guang)播(bo)(bo)(bo)消(xiao)(xiao)息包并同(tong)(tong)步時(shi)(shi)鐘(zhong)(zhong)。4）客(ke)(ke)戶(hu)端(duan)(duan)偵(zhen)聽(ting)(ting)來自服(fu)(fu)務(wu)(wu)器(qi)(qi)(qi)(qi)(qi)的廣(guang)(guang)(guang)播(bo)(bo)(bo)消(xiao)(xiao)息包。當接收到個廣(guang)(guang)(guang)播(bo)(bo)(bo)消(xiao)(xiao)息包后，客(ke)(ke)戶(hu)端(duan)(duan)為了(le)估計網絡延遲先啟(qi)用一(yi)個短暫的服(fu)(fu)務(wu)(wu)器(qi)(qi)(qi)(qi)(qi)/客(ke)(ke)戶(hu)端(duan)(duan)模(mo)(mo)式(shi)(shi)(shi)與遠程服(fu)(fu)務(wu)(wu)器(qi)(qi)(qi)(qi)(qi)交換消(xiao)(xiao)息，然(ran)后進(jin)入(ru)廣(guang)(guang)(guang)播(bo)(bo)(bo)客(ke)(ke)戶(hu)模(mo)(mo)式(shi)(shi)(shi)，繼續偵(zhen)聽(ting)(ting)廣(guang)(guang)(guang)播(bo)(bo)(bo)消(xiao)(xiao)息包的到來，根(gen)據到來的廣(guang)(guang)(guang)播(bo)(bo)(bo)消(xiao)(xiao)息包對本地(di)時(shi)(shi)鐘(zhong)(zhong)進(jin)行同(tong)(tong)步。組(zu)播(bo)(bo)(bo)模(mo)(mo)式(shi)(shi)(shi)組(zu)播(bo)(bo)(bo)模(mo)(mo)式(shi)(shi)(shi)需要(yao)服(fu)(fu)務(wu)(wu)器(qi)(qi)(qi)(qi)(qi)端(duan)(duan)和(he)(he)客(ke)(ke)戶(hu)端(duan)(duan)都配置(zhi)相(xiang)關命令。GPS時(shi)(shi)鐘(zhong)(zhong)同(tong)(tong)步系(xi)統可以提供(gong)短期和(he)(he)長期時(shi)(shi)間(jian)和(he)(he)頻率穩定性(xing)，確(que)保精(jing)確(que)度(du)和(he)(he)準(zhun)確(que)性(xing)。北(bei)斗(dou)(dou)時(shi)(shi)間(jian)同(tong)(tong)步服(fu)(fu)務(wu)(wu)器(qi)(qi)(qi)(qi)(qi)

GPS時間(jian)同步系統擁有網管功能(neng)。時鐘同步卡

上(shang)海(hai)銳呈(cheng)電(dian)氣有(you)限(xian)公(gong)司生產的(de)(de)北(bei)(bei)斗(dou)時(shi)(shi)(shi)鐘(zhong)(zhong)同步系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)選用(yong)(yong)低相噪(zao)、低漂(piao)移的(de)(de)雙恒溫槽高(gao)穩(wen)晶(jing)(jing)振DOCXO和高(gao)精度(du)授時(shi)(shi)(shi)型GPS北(bei)(bei)斗(dou)授時(shi)(shi)(shi)板,采用(yong)(yong)頻(pin)(pin)率(lv)測控技術，對晶(jing)(jing)體振蕩器(qi)的(de)(de)輸出頻(pin)(pin)率(lv)進行精密測量與馴服(fu)校準(zhun)(zhun)，使GPS北(bei)(bei)斗(dou)馴服(fu)晶(jing)(jing)振的(de)(de)輸出頻(pin)(pin)率(lv)準(zhun)(zhun)確(que)同步在GPS北(bei)(bei)斗(dou)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)上(shang)，準(zhun)(zhun)確(que)度(du)優于(yu)1E-12。北(bei)(bei)斗(dou)時(shi)(shi)(shi)鐘(zhong)(zhong)同步系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)不(bu)(bu)(bu)(bu)但(dan)提供(gong)了高(gao)精度(du)的(de)(de)頻(pin)(pin)率(lv)標準(zhun)(zhun)，還(huan)同時(shi)(shi)(shi)提供(gong)了“復現”的(de)(de)UTC時(shi)(shi)(shi)間基(ji)(ji)(ji)準(zhun)(zhun)。GPS或北(bei)(bei)斗(dou)馴服(fu)晶(jing)(jing)振輸出的(de)(de)10MHz信號經過10,000,000次分頻(pin)(pin)得(de)到1pps信號，不(bu)(bu)(bu)(bu)受GPS、北(bei)(bei)斗(dou)秒脈沖短時(shi)(shi)(shi)間隨機跳(tiao)變(bian)帶來的(de)(de)影響，能(neng)夠(gou)提供(gong)更可靠、穩(wen)定(ding)的(de)(de)時(shi)(shi)(shi)間信號。北(bei)(bei)斗(dou)時(shi)(shi)(shi)鐘(zhong)(zhong)同步系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)裝(zhuang)置(zhi)具有(you)智(zhi)能(neng)學習(xi)算法，在馴服(fu)晶(jing)(jing)振過程(cheng)中能(neng)夠(gou)不(bu)(bu)(bu)(bu)斷“學習(xi)”晶(jing)(jing)振的(de)(de)漂(piao)移等特性(xing)，并(bing)將這些(xie)參(can)數(shu)存入板載存儲器(qi)中，同時(shi)(shi)(shi)具有(you)智(zhi)能(neng)狀(zhuang)態切換功能(neng)，能(neng)夠(gou)智(zhi)能(neng)判別GPS和北(bei)(bei)斗(dou)接收系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)的(de)(de)穩(wen)定(ding)性(xing)，并(bing)提供(gong)多(duo)種時(shi)(shi)(shi)間基(ji)(ji)(ji)準(zhun)(zhun)配(pei)置(zhi)方(fang)法，可以設置(zhi)GPS或北(bei)(bei)斗(dou)為主(zhu)用(yong)(yong)參(can)考源(yuan)(yuan)(yuan)，當主(zhu)用(yong)(yong)參(can)考源(yuan)(yuan)(yuan)不(bu)(bu)(bu)(bu)穩(wen)定(ding)或不(bu)(bu)(bu)(bu)可用(yong)(yong)時(shi)(shi)(shi)，能(neng)夠(gou)自動切換到備用(yong)(yong)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)上(shang)；如果主(zhu)備系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)都**擾不(bu)(bu)(bu)(bu)可用(yong)(yong)時(shi)(shi)(shi)，裝(zhuang)置(zhi)能(neng)夠(gou)自動切換到保持模(mo)(mo)式(shi)，根據歷史工作性(xing)能(neng)參(can)數(shu)馴服(fu)晶(jing)(jing)振，繼續提供(gong)高(gao)可靠性(xing)的(de)(de)時(shi)(shi)(shi)間和頻(pin)(pin)率(lv)基(ji)(ji)(ji)準(zhun)(zhun)信息(xi)輸出。北(bei)(bei)斗(dou)時(shi)(shi)(shi)鐘(zhong)(zhong)同步系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)采用(yong)(yong)全模(mo)(mo)塊(kuai)化結(jie)構設計(ji)，其輸入、輸出、電(dian)源(yuan)(yuan)(yuan)等均(jun)可靈活配(pei)置(zhi)，并(bing)具有(you)豐富的(de)(de)各類模(mo)(mo)塊(kuai)及板卡供(gong)選擇。時(shi)(shi)(shi)鐘(zhong)(zhong)同步卡

上(shang)海(hai)銳(rui)呈(cheng)電氣有限公司是一(yi)(yi)家生產(chan)型類(lei)企業(ye)，積極探(tan)索(suo)行業(ye)發展(zhan)，努力實(shi)現產(chan)品創新。銳(rui)呈(cheng)電氣是一(yi)(yi)家私營(ying)有限責任公司企業(ye)，一(yi)(yi)直“以(yi)人為(wei)(wei)本，服(fu)務(wu)于(yu)社(she)會”的(de)(de)經營(ying)理(li)(li)念;“誠守信譽，持續發展(zhan)”的(de)(de)質量方針(zhen)。以(yi)滿足(zu)顧(gu)客(ke)要求為(wei)(wei)己任；以(yi)顧(gu)客(ke)永遠(yuan)滿意為(wei)(wei)標準；以(yi)保持行業(ye)優(you)先為(wei)(wei)目標，提(ti)供的(de)(de)GPS北斗同步(bu)時(shi)鐘，NTP時(shi)間服(fu)務(wu)器，GPS校時(shi)器，北斗授時(shi)系統(tong)。銳(rui)呈(cheng)電氣以(yi)創造(zao)產(chan)品及服(fu)務(wu)的(de)(de)理(li)(li)念，打(da)造(zao)高(gao)指標的(de)(de)服(fu)務(wu)，引導行業(ye)的(de)(de)發展(zhan)。

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