In most cases this is the result of more advanced technology being employed to receive GPS signals, process the GPS signals, and also protect the GPS receiver from any interference.
在很多情况下，这是由于很多先进的技术应用到接收GPS信号，处理GPS信号和保护GPS接收器不受任何外界的干扰。
For the antenna of GPS receiver, it is usually subject to a number of satellites positioning signals, and mixed with one or more interference.
对GPS接收机的天线来说，通常要接受多个定位卫星的扩频信号，并掺杂着一个或几个多个干扰。
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