航站樓(lou)時(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)系(xi)(xi)(xi)統(tong)(tong)(tong)時(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)系(xi)(xi)(xi)統(tong)(tong)(tong)是航空交通重(zhong)要(yao)(yao)的(de)(de)組成(cheng)部分之(zhi)一(yi)，其(qi)(qi)主要(yao)(yao)作用是為(wei)乘客(ke)和工作人員提供(gong)(gong)準(zhun)(zhun)確的(de)(de)時(shi)(shi)(shi)(shi)(shi)間信(xin)息，同(tong)(tong)時(shi)(shi)(shi)(shi)(shi)時(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)系(xi)(xi)(xi)統(tong)(tong)(tong)要(yao)(yao)為(wei)其(qi)(qi)他子(zi)(zi)(zi)系(xi)(xi)(xi)統(tong)(tong)(tong)提供(gong)(gong)統(tong)(tong)(tong)一(yi)的(de)(de)時(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)信(xin)號，使(shi)各(ge)系(xi)(xi)(xi)統(tong)(tong)(tong)的(de)(de)定(ding)時(shi)(shi)(shi)(shi)(shi)集中同(tong)(tong)步，在整(zheng)個機(ji)(ji)(ji)(ji)場(chang)系(xi)(xi)(xi)統(tong)(tong)(tong)中使(shi)用相同(tong)(tong)的(de)(de)定(ding)時(shi)(shi)(shi)(shi)(shi)標(biao)準(zhun)(zhun)。候機(ji)(ji)(ji)(ji)廳(ting)及(ji)售票廳(ting)位置的(de)(de)時(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)可以(yi)為(wei)旅客(ke)提供(gong)(gong)準(zhun)(zhun)確的(de)(de)時(shi)(shi)(shi)(shi)(shi)間信(xin)息；各(ge)辦公室內(nei)及(ji)其(qi)(qi)它停機(ji)(ji)(ji)(ji)場(chang)內(nei)的(de)(de)時(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)可以(yi)為(wei)工作人員提供(gong)(gong)準(zhun)(zhun)確的(de)(de)時(shi)(shi)(shi)(shi)(shi)間信(xin)息；向其(qi)(qi)它機(ji)(ji)(ji)(ji)場(chang)通信(xin)子(zi)(zi)(zi)系(xi)(xi)(xi)統(tong)(tong)(tong)提供(gong)(gong)的(de)(de)時(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)信(xin)息為(wei)飛機(ji)(ji)(ji)(ji)運行(xing)提供(gong)(gong)了(le)標(biao)準(zhun)(zhun)的(de)(de)時(shi)(shi)(shi)(shi)(shi)間，保(bao)證(zheng)了(le)機(ji)(ji)(ji)(ji)場(chang)通信(xin)系(xi)(xi)(xi)統(tong)(tong)(tong)運行(xing)的(de)(de)準(zhun)(zhun)時(shi)(shi)(shi)(shi)(shi)，安全(quan)。時(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)子(zi)(zi)(zi)系(xi)(xi)(xi)統(tong)(tong)(tong)能夠向機(ji)(ji)(ji)(ji)場(chang)全(quan)部通信(xin)子(zi)(zi)(zi)系(xi)(xi)(xi)統(tong)(tong)(tong)提供(gong)(gong)準(zhun)(zhun)確的(de)(de)時(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)信(xin)號。母鐘(zhong)(zhong)以(yi)GPS衛星定(ding)位系(xi)(xi)(xi)統(tong)(tong)(tong)所發(fa)的(de)(de)UTC時(shi)(shi)(shi)(shi)(shi)間為(wei)準(zhun)(zhun)，輔以(yi)銣原子(zi)(zi)(zi)鐘(zhong)(zhong)，在GPS信(xin)號丟失(shi)時(shi)(shi)(shi)(shi)(shi)，還(huan)能長(chang)時(shi)(shi)(shi)(shi)(shi)間為(wei)系(xi)(xi)(xi)統(tong)(tong)(tong)提供(gong)(gong)準(zhun)(zhun)確時(shi)(shi)(shi)(shi)(shi)間。母鐘(zhong)(zhong)向其(qi)(qi)對應(ying)的(de)(de)子(zi)(zi)(zi)鐘(zhong)(zhong)發(fa)送時(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)信(xin)號；同(tong)(tong)時(shi)(shi)(shi)(shi)(shi)各(ge)路時(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)信(xin)號均需(xu)上(shang)傳(chuan)至(zhi)時(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)系(xi)(xi)(xi)統(tong)(tong)(tong)的(de)(de)監控(kong)中心(xin)，使(shi)之(zhi)可以(yi)完成(cheng)對全(quan)場(chang)所有時(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)工作狀態(tai)的(de)(de)監測和控(kong)制(zhi)，并可在相應(ying)的(de)(de)管理客(ke)戶機(ji)(ji)(ji)(ji)上(shang)完成(cheng)各(ge)種(zhong)需(xu)要(yao)(yao)的(de)(de)管理及(ji)配置功能．成(cheng)都引眾成(cheng)立十五年來，取得(de)國家和成(cheng)都市各(ge)種(zhong)成(cheng)果獎數十項，有四川省科學獎勵證(zheng)書，軟件企業(ye)認定(ding)證(zheng)書。四川數字時(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)批發(fa)

系統組(zu)成1、YZ-9811時(shi)(shi)間服務(wu)器(qi)YZ-9811時(shi)(shi)間服務(wu)器(qi)可通(tong)過(guo)(guo)北(bei)斗GPS信號獲取標準時(shi)(shi)間，通(tong)過(guo)(guo)NTP協議對(dui)局域網的計(ji)算機(ji)、服務(wu)器(qi)或其他設(she)備提供同步服務(wu)。產(chan)品已(yi)廣泛(fan)應用于學校(xiao)、交通(tong)、企(qi)業(ye)、公檢法等部(bu)門。2、子(zi)鐘(zhong)數顯鐘(zhong)內(nei)置無線接收模塊(kuai)，可通(tong)過(guo)(guo)信號實(shi)現同步。每次(ci)上(shang)電自動(dong)同步，每日(ri)自動(dong)同步。其主要(yao)功能包(bao)括：（1）通(tong)過(guo)(guo)與基(ji)站同步自動(dong)消除走時(shi)(shi)積累(lei)誤差，無需人工調整；（2）時(shi)(shi)分秒年月日(ri)星期顯示，紅色(se)LED；（3）內(nei)置電池，在停電情況下(xia)，可保持內(nei)部(bu)時(shi)(shi)鐘(zhong)運行數周；（4）采用EMI電源(yuan)濾(lv)波(bo)器(qi)，不(bu)受電源(yuan)波(bo)動(dong)影響。成都電子(zi)數字時(shi)(shi)鐘(zhong)設(she)計(ji)引眾子(zi)母鐘(zhong)在基(ji)準信號正常(chang)的情況下(xia)，選配的銣原子(zi)鐘(zhong)，30年自走時(shi)(shi)誤差不(bu)會超過(guo)(guo)3毫秒，精度(du)高達20nS。

設(she)備選(xuan)(xuan)型表(biao)序(xu)號名稱(cheng)說(shuo)明1北(bei)(bei)斗主時(shi)鐘(zhong)(zhong)(zhong)YZ-9820B母(mu)鐘(zhong)(zhong)(zhong)，2U,19英寸(cun)2GPS主時(shi)鐘(zhong)(zhong)(zhong)YZ-9820G母(mu)鐘(zhong)(zhong)(zhong)，2U,19英寸(cun)4時(shi)鐘(zhong)(zhong)(zhong)監測管(guan)(guan)理(li)系統軟(ruan)件系統5數(shu)(shu)字式(shi)子(zi)(zi)鐘(zhong)(zhong)(zhong)表(biao)盤指針式(shi)子(zi)(zi)鐘(zhong)(zhong)(zhong)，配(pei)(pei)合母(mu)鐘(zhong)(zhong)(zhong)使(shi)用(yong)6指針式(shi)子(zi)(zi)鐘(zhong)(zhong)(zhong)數(shu)(shu)碼管(guan)(guan)/LED數(shu)(shu)字式(shi)子(zi)(zi)鐘(zhong)(zhong)(zhong)，配(pei)(pei)合母(mu)鐘(zhong)(zhong)(zhong)使(shi)用(yong)7無(wu)(wu)線(xian)轉(zhuan)發(fa)器433MHz免申請頻(pin)段(duan)，傳輸距離2000米8控制(zhi)器支持遙控器方(fang)式(shi)或墻(qiang)壁嵌入式(shi)9天線(xian)及防雷模塊根據現場(chang)情況選(xuan)(xuan)擇配(pei)(pei)置不(bu)同(tong)長(chang)度的衛(wei)星天線(xian)設(she)備選(xuan)(xuan)型表(biao)序(xu)號名稱(cheng)說(shuo)明1北(bei)(bei)斗主時(shi)鐘(zhong)(zhong)(zhong)YZ-9820B母(mu)鐘(zhong)(zhong)(zhong)，2U,19英寸(cun)2GPS主時(shi)鐘(zhong)(zhong)(zhong)YZ-9820G母(mu)鐘(zhong)(zhong)(zhong)，2U,19英寸(cun)4時(shi)鐘(zhong)(zhong)(zhong)監測管(guan)(guan)理(li)系統軟(ruan)件系統5數(shu)(shu)字式(shi)子(zi)(zi)鐘(zhong)(zhong)(zhong)表(biao)盤指針式(shi)子(zi)(zi)鐘(zhong)(zhong)(zhong)，配(pei)(pei)合母(mu)鐘(zhong)(zhong)(zhong)使(shi)用(yong)6指針式(shi)子(zi)(zi)鐘(zhong)(zhong)(zhong)數(shu)(shu)碼管(guan)(guan)/LED數(shu)(shu)字式(shi)子(zi)(zi)鐘(zhong)(zhong)(zhong)，配(pei)(pei)合母(mu)鐘(zhong)(zhong)(zhong)使(shi)用(yong)7無(wu)(wu)線(xian)轉(zhuan)發(fa)器433MHz免申請頻(pin)段(duan)，傳輸距離2000米8控制(zhi)器支持遙控器方(fang)式(shi)或墻(qiang)壁嵌入式(shi)9天線(xian)及防雷模塊根據現場(chang)情況選(xuan)(xuan)擇配(pei)(pei)置不(bu)同(tong)長(chang)度的衛(wei)星天線(xian)

成(cheng)都(dou)引眾數(shu)字(zi)設(she)(she)備有(you)限公(gong)司子(zi)母(mu)鐘(zhong)(zhong)(zhong)(zhong)系(xi)(xi)(xi)統(tong)(tong)部分客戶案例1、雄安新區學校數(shu)字(zi)子(zi)鐘(zhong)(zhong)(zhong)(zhong)項(xiang)(xiang)目(mu)(mu)數(shu)百(bai)臺母(mu)鐘(zhong)(zhong)(zhong)(zhong)+子(zi)鐘(zhong)(zhong)(zhong)(zhong)，6個學校；2、大運(yun)會時(shi)(shi)鐘(zhong)(zhong)(zhong)(zhong)項(xiang)(xiang)目(mu)(mu)覆蓋整(zheng)個大運(yun)會場館3、成(cheng)都(dou)市(shi)第六醫院同步(bu)時(shi)(shi)鐘(zhong)(zhong)(zhong)(zhong)項(xiang)(xiang)目(mu)(mu)4、邛(qiong)崍二(er)醫院子(zi)母(mu)鐘(zhong)(zhong)(zhong)(zhong)項(xiang)(xiang)目(mu)(mu)5、昆山東部醫療中心電子(zi)時(shi)(shi)鐘(zhong)(zhong)(zhong)(zhong)系(xi)(xi)(xi)統(tong)(tong)項(xiang)(xiang)目(mu)(mu)6、成(cheng)都(dou)天(tian)(tian)府國際機場子(zi)母(mu)鐘(zhong)(zhong)(zhong)(zhong)項(xiang)(xiang)目(mu)(mu)世界(jie)(jie)衛(wei)(wei)星(xing)(xing)(xing)(xing)導航(hang)(hang)(hang)發(fa)(fa)展(zhan)中的(de)(de)(de)(de)(de)北斗(dou)衛(wei)(wei)星(xing)(xing)(xing)(xing)導航(hang)(hang)(hang)系(xi)(xi)(xi)統(tong)(tong)能夠提(ti)供全天(tian)(tian)時(shi)(shi)、全天(tian)(tian)候、高精度的(de)(de)(de)(de)(de)定位(wei)、導航(hang)(hang)(hang)和授時(shi)(shi)服務，是重要(yao)的(de)(de)(de)(de)(de)空間(jian)信息基礎設(she)(she)施。世界(jie)(jie)各主要(yao)航(hang)(hang)(hang)天(tian)(tian)國家都(dou)十分重視衛(wei)(wei)星(xing)(xing)(xing)(xing)導航(hang)(hang)(hang)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)(de)建設(she)(she)、應用和發(fa)(fa)展(zhan)。競相(xiang)發(fa)(fa)展(zhan)的(de)(de)(de)(de)(de)全球(qiu)(qiu)衛(wei)(wei)星(xing)(xing)(xing)(xing)導航(hang)(hang)(hang)系(xi)(xi)(xi)統(tong)(tong)近40多年(nian)來，全球(qiu)(qiu)衛(wei)(wei)星(xing)(xing)(xing)(xing)導航(hang)(hang)(hang)系(xi)(xi)(xi)統(tong)(tong)競相(xiang)發(fa)(fa)展(zhan)，呈現(xian)出(chu)GPS一路(lu)，GLONASS曲折前(qian)進(jin)，北斗(dou)分步(bu)邁(mai)進(jin)、伽(jia)(jia)利略躑(zhi)躅前(qian)行(xing)的(de)(de)(de)(de)(de)態勢。導航(hang)(hang)(hang)衛(wei)(wei)星(xing)(xing)(xing)(xing)在軌(gui)數(shu)量(liang)逐步(bu)增加(jia)，服務性能穩(wen)步(bu)提(ti)升，應用領域日益擴展(zhan)，成(cheng)為(wei)人類社會不可或缺的(de)(de)(de)(de)(de)空間(jian)信息基礎設(she)(she)施。系(xi)(xi)(xi)統(tong)(tong)狀(zhuang)態：4大系(xi)(xi)(xi)統(tong)(tong)衛(wei)(wei)星(xing)(xing)(xing)(xing)在軌(gui)數(shu)量(liang)情況GPS系(xi)(xi)(xi)統(tong)(tong)建成(cheng)后，衛(wei)(wei)星(xing)(xing)(xing)(xing)數(shu)量(liang)相(xiang)對穩(wen)定；GLONASS建成(cheng)后由于各種原因，數(shu)量(liang)急劇(ju)下降，近年(nian)來，衛(wei)(wei)星(xing)(xing)(xing)(xing)數(shu)逐步(bu)增加(jia)；北斗(dou)系(xi)(xi)(xi)統(tong)(tong)2000年(nian)開始，發(fa)(fa)星(xing)(xing)(xing)(xing)、試驗(yan)、組網；伽(jia)(jia)利略系(xi)(xi)(xi)統(tong)(tong)2005年(nian)開始，發(fa)(fa)星(xing)(xing)(xing)(xing)試驗(yan)。根據計劃，2020年(nian)左右，4大全球(qiu)(qiu)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)(de)衛(wei)(wei)星(xing)(xing)(xing)(xing)數(shu)量(liang)都(dou)將達到(dao)30顆(ke)以上(shang)。成(cheng)都(dou)引眾是子(zi)母(mu)鐘(zhong)(zhong)(zhong)(zhong)系(xi)(xi)(xi)統(tong)(tong)解決方案**，專注(zhu)衛(wei)(wei)星(xing)(xing)(xing)(xing)同步(bu)時(shi)(shi)鐘(zhong)(zhong)(zhong)(zhong)研發(fa)(fa)15年(nian)，專注(zhu)、專業成(cheng)就成(cheng)功的(de)(de)(de)(de)(de)事業。

產(chan)品(pin)性(xing)能、特點1、授時(shi)(shi)精度(du)高；2、抗干擾能力強；3、內置守時(shi)(shi)模塊(kuai)；4、性(xing)價比高，應(ying)用(yong)；5、整(zheng)體功(gong)耗小，采(cai)用(yong)無(wu)風扇設(she)計，運(yun)行可(ke)(ke)靠穩定(ding)；6、告(gao)別傳統電壓(ya)驅動，延長(chang)LED發光(guang)管的(de)(de)壽命，保證系(xi)統長(chang)時(shi)(shi)間(jian)運(yun)行無(wu)明顯發熱、發燙現象(xiang)；7、安裝(zhuang)方便(bian)，施工簡(jian)單，通電即可(ke)(ke)與標(biao)準背景時(shi)(shi)間(jian)同步；8、無(wu)需布設(she)室(shi)外天(tian)線(xian)，可(ke)(ke)以完全消除雷(lei)電天(tian)氣對(dui)設(she)備(bei)的(de)(de)破壞，無(wu)天(tian)線(xian)老化的(de)(de)問題；9、內置GPS接(jie)收(shou)模塊(kuai)、GPS北斗(dou)雙模接(jie)收(shou)模塊(kuai)、CDMA授時(shi)(shi)模塊(kuai)，不用(yong)任何按(an)鍵調節(jie)，自動獲取GPS、北斗(dou)、CDMA時(shi)(shi)間(jian)，始終同步北京(jing)時(shi)(shi)間(jian)，無(wu)累積誤(wu)差(cha)；10、顯示精度(du)高，視(shi)距較長(chang)，顯示醒目(mu)清晰，故障里(li)黑屏不會對(dui)使用(yong)者產(chan)生(sheng)(sheng)誤(wu)導；成都引(yin)眾擁(yong)有豐(feng)富的(de)(de)時(shi)(shi)鐘系(xi)統同步生(sheng)(sheng)產(chan)經(jing)驗，服(fu)(fu)務全國客戶(hu)超過1000家，可(ke)(ke)根據(ju)現場(chang)特殊要(yao)求提供定(ding)制服(fu)(fu)務。四川(chuan)數字時(shi)(shi)鐘批發

成都引(yin)眾的子母鐘系統操作簡(jian)單，免維護，適(shi)合無人值(zhi)守(shou)，是智能(neng)化(hua)建設必備(bei)的數(shu)字化(hua)設備(bei)。四川數(shu)字時鐘批發(fa)

部分客戶(hu)案(an)例(li)1、雄安(an)新區學校數(shu)字子(zi)(zi)(zi)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)項(xiang)目(mu)2、大運會時(shi)(shi)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)項(xiang)目(mu)3、成都(dou)市第(di)六醫(yi)院同步(bu)時(shi)(shi)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)項(xiang)目(mu)4、邛崍二醫(yi)院子(zi)(zi)(zi)母(mu)(mu)(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)項(xiang)目(mu)5、昆(kun)山東部醫(yi)療中(zhong)心(xin)電(dian)(dian)子(zi)(zi)(zi)時(shi)(shi)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)系統(tong)(tong)項(xiang)目(mu)6、成都(dou)天府國(guo)(guo)際(ji)機場子(zi)(zi)(zi)母(mu)(mu)(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)項(xiang)目(mu)。子(zi)(zi)(zi)母(mu)(mu)(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)之母(mu)(mu)(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)介紹母(mu)(mu)(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)是具有較(jiao)高(gao)精度(du)(du)并能發(fa)出(chu)控(kong)制(zhi)子(zi)(zi)(zi)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)(de)時(shi)(shi)間信(xin)號(hao)的(de)(de)(de)(de)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)表(biao)機構(gou)。早期是采(cai)(cai)用(yong)(yong)(yong)比一(yi)般機械鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)精度(du)(du)高(gao)的(de)(de)(de)(de)擺(bai)(bai)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)作為母(mu)(mu)(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)。為了保證擺(bai)(bai)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)有較(jiao)高(gao)的(de)(de)(de)(de)走(zou)時(shi)(shi)精度(du)(du)，采(cai)(cai)用(yong)(yong)(yong)電(dian)(dian)磁原理直接對(dui)擺(bai)(bai)周(zhou)期性(xing)地(di)補充能量(liang)，以(yi)維持擺(bai)(bai)的(de)(de)(de)(de)擺(bai)(bai)幅。上述母(mu)(mu)(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)(de)走(zou)時(shi)(shi)日(ri)差(cha)(見鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)表(biao)日(ri)差(cha))可(ke)保持在(zai)1秒/日(ri)以(yi)內。隨(sui)著(zhu)科學技術的(de)(de)(de)(de)發(fa)展，機械式(shi)母(mu)(mu)(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)已不常(chang)用(yong)(yong)(yong)，現代主要采(cai)(cai)用(yong)(yong)(yong)石英母(mu)(mu)(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)甚(shen)至原子(zi)(zi)(zi)母(mu)(mu)(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)，一(yi)般放在(zai)具有良(liang)好恒溫防震條(tiao)件的(de)(de)(de)(de)控(kong)制(zhi)室中(zhong)使用(yong)(yong)(yong)。母(mu)(mu)(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)可(ke)以(yi)接收(shou)GPS衛星提供的(de)(de)(de)(de)標(biao)準(zhun)UTC時(shi)(shi)間信(xin)號(hao)，自動(dong)按照當地(di)的(de)(de)(de)(de)時(shi)(shi)區設置轉(zhuan)化為當地(di)的(de)(de)(de)(de)地(di)方時(shi)(shi)，也可(ke)以(yi)自動(dong)完成對(dui)閏年(nian)、潤秒的(de)(de)(de)(de)計算(suan)。通過接收(shou)衛星的(de)(de)(de)(de)標(biao)準(zhun)時(shi)(shi)間信(xin)號(hao)可(ke)以(yi)保證母(mu)(mu)(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)時(shi)(shi)間的(de)(de)(de)(de)準(zhun)確(que)性(xing)，在(zai)我國(guo)(guo)一(yi)些部門(men)由于安(an)全(quan)需要，都(dou)采(cai)(cai)用(yong)(yong)(yong)了GPS/北(bei)斗(dou)雙模母(mu)(mu)(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)，該母(mu)(mu)(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)不光可(ke)以(yi)接收(shou)GPS衛星時(shi)(shi)間信(xin)號(hao)，當GPS信(xin)號(hao)丟失或者出(chu)現較(jiao)大誤碼時(shi)(shi)，系統(tong)(tong)可(ke)以(yi)自動(dong)判斷并切(qie)換到具有中(zhong)國(guo)(guo)自主知識產權的(de)(de)(de)(de)北(bei)斗(dou)衛星導航定(ding)位系統(tong)(tong)時(shi)(shi)間。如電(dian)(dian)信(xin)，電(dian)(dian)力，等部門(men)已經大規模使用(yong)(yong)(yong)該系統(tong)(tong)。四川數(shu)字時(shi)(shi)鐘(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)(zhong)批發(fa)

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