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中国北斗为何突然与美国GPS信号兼容？_通信技术
source link: http://www.cnbeta.com/articles/tech/681071.htm
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12月上旬，中美双方签署《北斗与GPS信号兼容与互操作联合声明》，两大卫星导航系统将实现民用信号互操作。消息传出后，引起部分读者不解：兼容有何意义？是否意味着北斗将技术拱手相让，GPS不劳而获？中科院国家授时中心副主任卢晓春18日向科技日报记者解读了此次合作。她表示，该协议的签署具有历史意义，将为用户带来更优质、便捷的服务。
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