
????????????
???????????1PPS?? <10ns??1 sigma??λ????? ??????12???,?????12?????? ??????С(<0.155W@3V,?????????)??????????? ????????,???????"??????" ?????С(40?w60?w13mm) ?????????????,????????.
*???????? ?????? 12?????????????????12????????? L1??? 1575.42MHz C/A?? (1.023MHz??????) ??????????????????????? *???????? ?????Χ ?? ???515m/s, ????С??18000???, ???>515m/s ??????4g ?????仯???5m/s3 ?? ????7.7G (??????????????810E) ???β??????(TTFF) ???????????????40??+85??????
С??15??????TTFF???????(?е???????顢λ?á???? ????????) С??40??????TTFF???????(?е???????顢λ?ú????) С??150??????TTFF??????? С??1.0??????????(?????) ??λ????? < 5?? ??1-sigma???? < 10?? ??2-sigma?? ????????1PPS???? <10ns??1-sigma??λ??????<20ns??6-sigma??λ?????
?????????? WGS??84???????????????????? *?? ??
????????????飬?????????鷯?磨15mA@3Vdc?? *?????? ?????? γ???????????????????????Motorola ?????????NMEA-0183???????? ????????????????????????????? TTL??????(0~3v)
*???????? ?????? 2.8-3.3 Vdc??50mVp-p???????????? "????"?????? ???2.2V??3.2V??5??A????????? ?? ?? С??0.155@3V????????????? *???????? ?? ?? ?????40??60??13mm ?? ?? ?????12.5??
?? ?? ??? ????/????10??????2??5??????? ????????MMCX(??С????) ?????????????? ??????????????£????????????? ???????????· *???????? ??????? - 40???? + 85?? ??????? - 40???? + 105?? ?? ?? 95????????,??+ 38???? + 85??? ?? ?? 60,000????18km?????????? ???С??1000??(515M/S)?????60,000????18km?? *???????? ??????? MOTOROLA ????????? λ?????????λ????????? T-RAIM??Timing Reciever Autonomous Integrity Monitoring???????????????????? 1. M12MT OEM?? 2. ??????? 3. ????? ?????? 1?? ???? 2?? ??????? 3?? ????? 4?? ??????
|