GPS時(shí)鐘同步產(chǎn)品(GPS mso-hansi-font-family:"Times New Roman"">時(shí)間同步時(shí)鐘,GPS "Times New Roman"">授時(shí)設(shè)備,北斗網(wǎng)絡(luò)時(shí)鐘) mso-hansi-font-family:"Times New Roman"">是銳呈公司研制開發(fā)的一款高性能GPS mso-hansi-font-family:"Times New Roman"">、北斗組合銣原子鐘的高端NTP "Times New Roman"">網(wǎng)絡(luò)時(shí)間服務(wù)器產(chǎn)品。產(chǎn)品選用高精度授時(shí)型GPS "Times New Roman"">接收機(jī)、北斗授時(shí)板、高性能銣原子鐘和大規(guī)模集成電路設(shè)計(jì)，提供高精度NTP "Times New Roman"">網(wǎng)絡(luò)時(shí)間信號(hào)，同時(shí)可提供高可靠性、高冗余度的時(shí)間基準(zhǔn)信號(hào)。采用時(shí)間頻率測(cè)控技術(shù)馴服銣原子頻標(biāo)，使原子頻標(biāo)的輸出頻率精密同步在GPS/ mso-hansi-font-family:"Times New Roman"">北斗參考系統(tǒng)上，輸出穩(wěn)定度優(yōu)良的高精度頻率信號(hào)。同時(shí)根據(jù)基準(zhǔn)信號(hào)同步輸出多種時(shí)間頻率信號(hào)輸出，可為國(guó)防、電力、電信、廣電等關(guān)鍵部門系統(tǒng)提供可靠的頻率基準(zhǔn)信號(hào)。

GPS時(shí)鐘同步產(chǎn)品 "Times New Roman"">采用模塊化設(shè)計(jì)，裝置由CPU "Times New Roman"">模塊、接收模塊、電源模塊、液晶模塊顯示、時(shí)標(biāo)信號(hào)擴(kuò)展模塊組成, "Times New Roman"">用戶可根據(jù)現(xiàn)場(chǎng)實(shí)際需要組合應(yīng)用。

mso-hansi-font-family:"Times New Roman"">接收模塊包括

B碼接收模塊

GPS信號(hào)接收模塊

CDMA信號(hào)接收模塊

mso-hansi-font-family:"Times New Roman"">北斗信號(hào)接收模塊

mso-hansi-font-family:"Times New Roman"">振蕩器信號(hào)接收模塊

OCXO內(nèi)部守時(shí)功能模塊

mso-hansi-font-family:"Times New Roman"">時(shí)標(biāo)信號(hào)擴(kuò)展模塊包括

mso-hansi-font-family:"Times New Roman"">時(shí)間報(bào)文（串口RS232/485/422 "Times New Roman"">）輸出模塊

mso-hansi-font-family:"Times New Roman"">脈沖輸出模塊（PPS/PPH/PPM "Times New Roman"">可設(shè)置）

IRIG-B(DC)時(shí)碼輸出模塊

IRIG-B(AM)時(shí)碼輸出模塊

NTP/SNTP網(wǎng)絡(luò)（支持4 mso-hansi-font-family:"Times New Roman"">路以上獨(dú)立IP "Times New Roman"">地址）輸出模塊

mso-hansi-font-family:"Times New Roman"">接收與輸出模塊可按實(shí)際需要組合。

GPS時(shí)鐘同步產(chǎn)品 "Times New Roman"">的特點(diǎn)

1．高品質(zhì)授時(shí)型GPS mso-hansi-font-family:"Times New Roman"">北斗模塊:1PPS "Times New Roman"">授時(shí)精度：20 ns "Times New Roman"">。

2．支持單GPS mso-hansi-font-family:"Times New Roman"">、單北斗、單CDMA "Times New Roman"">、雙GPS、雙北斗、 GPS/ mso-hansi-font-family:"Times New Roman"">北斗/CDMA "Times New Roman"">雙系統(tǒng)接收機(jī)配置, "Times New Roman"">實(shí)現(xiàn)多基準(zhǔn)冗余授時(shí)，能夠智能判別GPS "Times New Roman"">信號(hào)、北斗信號(hào)、CDMA "Times New Roman"">信號(hào)、外部B碼時(shí)間基準(zhǔn)信號(hào)的穩(wěn)定性和優(yōu)劣，并提供多種時(shí)間基準(zhǔn)配置方法。

3．高品質(zhì)的工業(yè)級(jí)元件，高水準(zhǔn)的電氣設(shè)計(jì)，高密度集成的電路結(jié)構(gòu)，使裝置擁有電氣隔離和電磁屏蔽表現(xiàn)，整機(jī)無可調(diào)節(jié)器件，提高了裝置抗干擾性能與可靠性保障。

4．裝置采用全模塊化即插即用結(jié)構(gòu)設(shè)計(jì)，支持板卡熱插拔，配置靈活，維護(hù)方便，同時(shí)為將來電廠/ mso-hansi-font-family:"Times New Roman"">變電站改造擴(kuò)建時(shí)增加或更改對(duì)時(shí)信號(hào)接口提供了方便。

5．選件豐富：該產(chǎn)品可擴(kuò)展多種接口輸出，RS232/RS422/485、1PPS mso-hansi-font-family:"Times New Roman"">、1PPM "Times New Roman"">、1PPH、IRIG-B(AC)、IRIG-B(DC)、DCF77 mso-hansi-font-family:"Times New Roman"">、NTP/SNTP "Times New Roman"">、IEEE1588 "Times New Roman"">、E1、周波鐘、工頻量等, mso-hansi-font-family:"Times New Roman"">接口數(shù)量可根據(jù)要求擴(kuò)展，定制多路輸出，接口類型可選。

GPS時(shí)鐘同步產(chǎn)品 "Times New Roman"">的技術(shù)指標(biāo)

1、網(wǎng)絡(luò)協(xié)議

NTP v1.v2.v3&v4(RFC1119&1305)

SNTP(RFC 2030)

Telnet（RFC854 mso-hansi-font-family:"Times New Roman"">）

FTP（RFC959 mso-hansi-font-family:"Times New Roman"">）

2、輸入/ mso-hansi-font-family:"Times New Roman"">輸出接口

mso-hansi-font-family:"Times New Roman"">網(wǎng)口： RJ-45 "Times New Roman"">，4路，10/100 mso-hansi-font-family:"Times New Roman"">自適應(yīng)以太網(wǎng)接口

Console： RJ-45 mso-hansi-font-family:"Times New Roman"">，1 "Times New Roman"">路，RS232 "Times New Roman"">電平

GPS、北斗天線輸入： BNC mso-hansi-font-family:"Times New Roman"">，1 "Times New Roman"">路

mso-hansi-font-family:"Times New Roman"">選配： 10MHz "Times New Roman"">、E1、B mso-hansi-font-family:"Times New Roman"">碼、RS232/422/485 "Times New Roman"">、PPS 、NTP mso-hansi-font-family:"Times New Roman"">、DCF77

3、顯示

mso-hansi-font-family:"Times New Roman"">晶屏顯示年月日時(shí)分秒和GPS "Times New Roman"">、北斗收星情況等信息

mso-hansi-font-family:"Times New Roman"">指示燈指示電源、GPS "Times New Roman"">、北斗、鎖定、保持、1PPS "Times New Roman"">等狀態(tài)信息

4、時(shí)間服務(wù)功能

GPS時(shí)鐘同步產(chǎn)品 "Times New Roman"">參考模式，網(wǎng)絡(luò)時(shí)間服務(wù)器

mso-hansi-font-family:"Times New Roman"">用戶終端同步授時(shí)精度：0.5-10ms

mso-hansi-font-family:"Times New Roman"">用戶容量：無限制

NTP請(qǐng)求量：14000 mso-hansi-font-family:"Times New Roman"">次/ "Times New Roman"">秒

mso-hansi-font-family:"Times New Roman"">同步于其他NTP "Times New Roman"">服務(wù)器

5、GPS mso-hansi-font-family:"Times New Roman"">關(guān)閉后時(shí)間保持精度( "Times New Roman"">選件)

SNTS3000-O恒溫晶振（OCXO mso-hansi-font-family:"Times New Roman"">）： 1ms "Times New Roman"">（72小時(shí)）

SNTS3000-R銣原子鐘（Rb mso-hansi-font-family:"Times New Roman"">）： 3ms "Times New Roman"">（年）銣原子鐘（Rb "Times New Roman"">）：日漂移率3E-12

6、GPS mso-hansi-font-family:"Times New Roman"">接收機(jī)

12并行通道GPS mso-hansi-font-family:"Times New Roman"">接收機(jī)

UTC同步精度：50ns mso-hansi-font-family:"Times New Roman"">（1 "Times New Roman"">б）

mso-hansi-font-family:"Times New Roman"">接收L1,C/A "Times New Roman"">碼信號(hào)-1575.42MHz

7、北斗接收機(jī)

mso-hansi-font-family:"Times New Roman"">同時(shí)處理雙通道6 "Times New Roman"">個(gè)波束數(shù)據(jù)

UTC同步精度：100ns mso-hansi-font-family:"Times New Roman"">（1 "Times New Roman"">б）

mso-hansi-font-family:"Times New Roman"">使用有源微帶天線

8、平均無故障間隔時(shí)間(MTBF) mso-hansi-font-family:"Times New Roman"">≥300000 "Times New Roman"">小時(shí)；平均維修時(shí)間（MTTR "Times New Roman"">）：一般不大于30 "Times New Roman"">分，正常使用條件下無須維護(hù)。

"Times New Roman"">以上是GPS "Times New Roman"">時(shí)鐘同步產(chǎn)品的簡(jiǎn)介，更詳細(xì)介紹請(qǐng)垂詢。