"Times New Roman"">上海銳呈電氣有限公司GPS "Times New Roman"">時(shí)鐘同步裝置產(chǎn)品采用表面貼裝技術(shù)生產(chǎn),以高速芯片進(jìn)行控制,具有精度高、穩(wěn)定性好、功能強(qiáng)、性?xún)r(jià)比高、無(wú)積累誤差、不受環(huán)境條件限制、操作簡(jiǎn)單、全自動(dòng)智能化運(yùn)行、免維護(hù)等特點(diǎn),適合無(wú)人值守。
GPS時(shí)鐘同步裝置
"Times New Roman"">設(shè)備采用全模塊化結(jié)構(gòu)設(shè)計(jì),不僅實(shí)現(xiàn)了板卡全兼容,還提供了豐富的信號(hào)接口資源和開(kāi)放式特殊接口設(shè)計(jì)平臺(tái),具備兼容能力。
GPS時(shí)鐘同步裝置 "Times New Roman"">主要技術(shù)指標(biāo)
1、GPS mso-hansi-font-family:"Times New Roman"">接收天線
mso-hansi-font-family:"Times New Roman"">天線環(huán)境要求:
mso-hansi-font-family:"Times New Roman"">工作溫度:-45 "Times New Roman"">℃~85℃;
mso-hansi-font-family:"Times New Roman"">貯存溫度:-50 "Times New Roman"">℃~90℃;
mso-hansi-font-family:"Times New Roman"">濕度:結(jié)露;
mso-hansi-font-family:"Times New Roman"">體積:φ96 "Times New Roman"">×126mm。
2、GPS mso-hansi-font-family:"Times New Roman"">接收器
mso-hansi-font-family:"Times New Roman"">接收頻率:1575.42MHz "Times New Roman"">(L1信號(hào))。
mso-hansi-font-family:"Times New Roman"">接收靈敏度:捕獲〈-130dBm "Times New Roman"">,跟蹤〈-133dBm "Times New Roman"">。
mso-hansi-font-family:"Times New Roman"">同時(shí)跟蹤:正常狀態(tài)下可同時(shí)跟蹤8 mso-hansi-font-family:"Times New Roman"">~12 "Times New Roman"">顆GPS衛(wèi)星;
mso-hansi-font-family:"Times New Roman"">裝置冷起動(dòng)時(shí)不小于4 "Times New Roman"">顆衛(wèi)星;
mso-hansi-font-family:"Times New Roman"">裝置熱起動(dòng)時(shí)不小于1 "Times New Roman"">顆衛(wèi)星。
mso-hansi-font-family:"Times New Roman"">捕獲時(shí)間:裝置冷起動(dòng)時(shí)小于5min "Times New Roman"">,裝置熱起動(dòng)時(shí)小于1min "Times New Roman"">。
mso-hansi-font-family:"Times New Roman"">內(nèi)部電池:電池類(lèi)型:鋰電池;
mso-hansi-font-family:"Times New Roman"">電池壽命:≮25000h "Times New Roman"">。
mso-hansi-font-family:"Times New Roman"">北斗接收器
mso-hansi-font-family:"Times New Roman"">接收頻率(BD2 B1 "Times New Roman"">):1561.098 "Times New Roman"">±4MHz。
mso-hansi-font-family:"Times New Roman"">接收機(jī)靈敏度:-157.6dBW "Times New Roman"">;
mso-hansi-font-family:"Times New Roman"">速度精度(RMS) "Times New Roman"">:0.1m/s "Times New Roman"">;
3、功耗:≤15W mso-hansi-font-family:"Times New Roman"">。
4、平均無(wú)故障間隔時(shí)間(MTBF) mso-hansi-font-family:"Times New Roman"">≥80000 "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(wú)須維護(hù)。
5、輸出時(shí)間與協(xié)調(diào)世界時(shí)(UTC mso-hansi-font-family:"Times New Roman"">)時(shí)間同步準(zhǔn)確度:20ns "Times New Roman"">。
6、時(shí)間保持單元守時(shí)精度:時(shí)間保持單元晶體振蕩器選用OCXO mso-hansi-font-family:"Times New Roman"">,守時(shí)精度優(yōu)于7*10-9(0.42 "Times New Roman"">μS/min) "Times New Roman"">。
7、抗干擾
"Times New Roman"">在雷擊過(guò)電壓、一次回路操作、開(kāi)關(guān)場(chǎng)故障、二次回路操作及其它強(qiáng)干擾作用下,裝置不誤動(dòng)作。
GPS時(shí)鐘同步裝置 "Times New Roman"">的特點(diǎn)
1.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。
2.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(wú)可調(diào)節(jié)器件,提高了裝置抗干擾性能與可靠性保障。
3.采用雙核處理器,精度高, mso-hansi-font-family:"Times New Roman"">同步快。
4.全自動(dòng)智能化運(yùn)行,免操作維護(hù),適合無(wú)人值守。
5.采用雙電源冗余供電,并選用高性能、寬范圍開(kāi)關(guān)電源,工作穩(wěn)定可靠,裝置電源供電自適應(yīng)。(按訂貨技術(shù)協(xié)議配置,缺省為單電源。)
6.GPS/ mso-hansi-font-family:"Times New Roman"">北斗接收天線重點(diǎn)考慮了防雷設(shè)計(jì)、穩(wěn)定性設(shè)計(jì)、抗干擾設(shè)計(jì), "Times New Roman"">信號(hào)接收可靠性高,不受地域條件和環(huán)境的限制。
7.裝置具有自復(fù)位能力,在因干擾造成裝置程序出錯(cuò)時(shí),能自動(dòng)恢復(fù)正常工作。
GPS時(shí)鐘同步裝置
"Times New Roman"">專(zhuān)業(yè)提供商