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2015-01-29 19:07:17????Դ: ?ٶ??Ŀ⡡???ߣ??ٶ??Ŀ?
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??սָ????ָ??Ա???ñ?????һ???Ŀռ??ʱ???ڴ??һ??Ŀ?ĵĻ??ȫ?򵼺???λϵͳ?ṩ??????ս?У??Ա???????ʱ??Ϳռ?λ?õĶ?λ?Ϳ??Ƶ?ǰ?ᡣ??졢Ԥ????ң?С????ӡ?????Ԥ????ָ??ͨ?š???ȷ?Ƶ??????????ǡ???????λ?ܲ??ɷ֡????????ǵ???ϵͳ??????֯??һ?Ÿ???ȫ???“????”???磬ս???ռ??ø???͸?????????ִ????????벻?????ǵ???ϵͳ??֧?֡???ǿ?????ֻ?????Ϣ?????ִ?ս??????????½????̹?ˡ?װ?׳??????ڣ????Ǻ????ľ?????DZͧ??????Ҫ???????ǡ?????ϵͳȷ??????λ?ã?ȷ????????֮???????ϣ?????????ս??????????̸̸??????λϵͳ?ھ??·????Ӧ?á?   һ Ϊ???ӻ???ͳһʱ?? ȫ?򵼺???λϵͳ???ṩ׼ȷ??ʱ???Ƶ?ʣ??Ӷ??㷺Ӧ??????ʱУƵ????ͨ?š??????ʱ??ͬ?????Լ????ӻ???????ս??ͳһʱ???׼????????Ҫ?????塣“???????ǵ???????ϵͳ”(һ??“????”)?Ļ???????·??Դ????????ͨ??ר?ҳ·???Ժʿ??“˫?Ƕ?λ”???롣2000 ??10 ??31 ?պ?12??21?շ???????Ŷ?λ???Ǻ?2003 ??5 ??25 ?շ????һ?ű?????????ɸ?ϵͳ?Ŀռ䲿??, ????????????վ????Уվ?Լ??????û??ն?, ?齨???????й??????ܱ?????Ķ?λ????ʱ?Ͷ̱???ͨ?ŵı??????ǵ???“????ϵͳ”; ?????ڲ?桢???š???ͨ???䡢??ҵ??ˮ?ġ?ɭ?ַ???͹??Ұ?ȫ??????Ӧ??????????򷢻????á???ϵͳ?ķ???????Ϊ70°~140°E,5°~55°N?????Ķ?λ????????20 m, ?״ζ?λ??GPS??, ֻ?輸????; ????λ????ʱ??????ͨ??(һ??????ܷ???120 ??????)????һ??, ??λ?ñ??桢̬?ƹ???, ͬʱ?????“???ˡ???ʱ???ε?”??ص?“????”???⡣??ϵͳ??????ʱ????Ϊ100 ns, ˫??ʱ????Ϊ20 ns, ??GPS ??׼??λҵ??(SPS)??460 ns ?;??ܶ?λҵ??(PPS)??200 ns ??Ҫ?ߡ??ڱ???“????ϵͳ”??????, 2007 ??4 ??13 ?ճɹ?????COMPASS ϵͳ??һ???й??(MEO-1)????,???????豱??“??չ?????򵼺?ϵͳ”??Ļ??2009 ??4?º?2010 ??1 ?¡?6 ?¡?10 ???ַ????˸?ϵͳ??4?ŵ???ͬ?????(GEO)????, Ԥ????2012 ?꽨????12 ??????ɵı???(COMPASS)????“??չ???򵼺?ϵͳ”, ?????????ΪΪ55°~ 180°E, 55°S ~ 55°N??????????Դ????Դ??λ????????, ???ݱ???“????ϵͳ”??ȫ?????ܡ????Ķ?λΪ10 m, ??????ʱ????Ϊ50 ns, ˫??ʱ????Ϊ10 ns, ???پ???Ϊ0.2 m/s??????Ϊ?й??????ܱߵ??????ṩ??λ??????????ʱ?Ͷ̱???ͨ?ŷ???, ????????????????,?????ڽ???“??չ?????򵼺?ϵͳ”??????, ???ݷ?չ??Ҫ, ????չ, ??2020 ??ǰ?󽨳???5 ??GEO???Ǻ?30 ?ŷǵ???ͬ????????ǹ??ɵ?ȫ?????ǵ?????λϵͳ????ϵͳ???ṩ???ŷ??????Ȩ???񡣿??ŷ????ڷ???????????ṩ??λ(????Ϊ10 m)??????(????Ϊ0.2 m/s)????ʱ(???򾫶?Ϊ50 ns)?Ͷ̵???ͨ?ŷ?????Ȩ????????Ȩ?û??ṩ????ȫ?????ȸ??ߵĶ?λ??????(????)????ʱ??ͨ?ŷ????Լ?ϵͳ???????Ϣ???????ܸ??ڶ???˹??GLONASS ???ǵ???ϵͳ, ???????ĵ?3 ??GPS?????൱??   ?? ??????λ ȫ??λϵͳ?????????еľ?ȷ?Կ?ȷ?????о?ȷ??λ?ÿ??顢?????ڱ???Ŀ???????Ͷ?λ??ȫ??λϵͳ????ս?????ڽ???“??ͬ????”??“??ͬʱ??”??????????“??ָͬ??”???ҿ?Э??ʵʩЭͬ?ж??? ȫ?򵼺???λ???ջ?????????С?ͻ????ֳ?ʽ?????Я?????㣬?????????????ֳ?ʽͨ???豸?????һ????Ұս???Ӻͻ?????ս???Ӳ???ȱ?ٵ?װ????????ս???ڼ䣬GPS???ջ??ͺ??????????ӻ?ӭ??һ?ȳ????˾???GPS???ջ????ض?ȱ?????󣬵?ʱ????½??ÿ????180???˾???1̨GPS???ջ???????????ս???У????沿??????ӵ??10??̨????????GPS???ջ???ÿ????????һ̨?? ????ȫ?򵼺???λϵͳ????ͧ??DZͧ?ɾ?ȷ???ж??Լ???λ?ã??????????ڸۿ???ҵ?İ?ȫ??ͨ??????ˮ??ʱ????ĵ????????ʹ?ü??????Ǻ͸߾?ȷ?Ķ?λ??Ϣ???ɶԺ????߽??о?ȷ???飻?ɾ?ȷ??????ˮ?ף?ʹ?????????ܹ?ܺͶ?????л??գ?ʹ?ÿռ䶨λ???ٶ?ʸ????ʱ??͵???֧Ԯ???????ں??ϼ??ᡢ????Ӫ?Ⱥ?ʵʩ?????ж??? ?ڿ?????ս?ж??У?ȫ??λϵͳҲ??Ϊ???á?ȫ?򵼺???λϵͳ?ṩ??λ?á??ٶ?ʸ????ʱ????й???Ϣ????߿?Ͷ?????м??͡???????Ӫ?ȡ???졢?Ϳյ?????Ŀ?궨λ????ը???????????Ч?ܣ???Ϊ?????ɻ?ͨ????ս?????趨??Ϊ??ȷ?Ŀ??????ȣ?????߸??ֿ????????ľ?ȷ?ȡ?   ?? ?????Ƶ? ????????ս???У???GPS?Ƶ??ľ?ȷ?Ƶ???????ʹ???????˺ܴ???ߡ???ͳ?ƣ?ս???о?ȷ?Ƶ???????ʹ???ʴﵽ68.3????????GPS?Ƶ??ľ?ȷ??????ռ????????57???????ڼ????Ƶ?ը??????ս?????????Ʋ??ɳ????Ӱ?죬??GPS?Ƶ????ص??Dz???ɳ????????Ӱ?죬????ȫ???ȫ??ʱ?????????Ƶ????ȸߣ????????????ս???ض???ɳ?????????Ȼ????з????˶??????á????????²?“????”ϵ?е?????“??ʿ”ϵ?? Զ?̻???ں??Ƚ? Ѳ?????????Ѽ?????“????”ϵͳ??????߱??˽ϸ????о??Ⱥͽ?ǿ?Ŀ???????????   ?? ??Ԯ???????ۺϱ???
????????????ԱĿǰ??Ӧ??һ??Hook-112???????ߵ?װ?ã??ڷɻ???????ʱ???ܹ?????GPSϵͳΪӪ????Աָ??????Hook-112???????ߵ???1995 ???ڲ??ڵ????????嵼???????F-16????Ա??Ⱥ????Ƴ????ġ???ʱ??????ԱΪ???ⱻ???????????أ??ా??????һ?????ڲű?????½ս?Ӿ??ߡ??????ʱ????GPS???????ߵ磬???ͻ?????þȡ???“?˾??ж?”?У????????F-117 ????Ա???ܾ?????????????????ߵ?ΪӪ????Աָ???˷??򡣷???Աһ??ر???????Я???ľ??????ߵ????GPS ??λ??????????λ????Ϣ?Ľ????????źš??ڲ?֪F-117??????֮???????????ɳ?????EA-6B????ս?ɻ????ڵ????ܷɻ???ֱ???????ɸ??????????½???Ӫ?ȣ?????EA-6B????????ŵз???ͨ?ź??״?ϵͳ???⣬??????????F-117????Ա?????????ߵ?????źš?6??Сʱ֮??EA-6B?ɻ????յ??????źţ?7??Сʱ֮?󣬷???Ա?????ߡ?
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