Missing or inaccurate data of the antenna location will result in the accuracy of the data of ship's position.

天线位置数据没有或不准，将影响船位数据的准确。

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By measuring the time required for a signal to travel between the satellites and the antenna, the car's location can be pinned down within 100 meters.

通过测量信号在卫星和天线之间传播所需的时间，汽车的位置可以被锁定在100米误差之内。

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The adjustment method of feed aperture position in radar antenna and location mode of the feed aperture are analysed by taking two kinds of radar antenna as example in this paper.

以两种雷达天线为例，对天线馈源口面位置的调整方法和口面的定位方式作了分析，提出设计与制造中需要注意的有关问题。

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First, the weak link in any wireless or radio system is the antenna, its effectiveness and its location.

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The Pioneer SmartCradle for iPhones is compatible with all GPS enabled apps, including MotionX-GPS Drive and is the first of its kind to incorporate a built-in gyro sensor and accelerometer combined with an external antenna for improved GPS reception and location accuracy, even if GPS signals are limited by high rise buildings and tunnels.

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Each photo they take is location-stamped using a GPS antenna accurate to within six inches.

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