Under the complex hydrological condition, this method can give the target position not only accurately but also quickly.

在复杂水文条件下应用此计算方法可以既迅速又准确地求出目标的位置。

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However, it has been found that the performance of CMKF degrades considerably when cross-range measurement errors of the target position are large.

然而，当目标位置的互距离测量误差比较大时，CMKF的性能将急剧下降。

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Abstract: Beacon nodes are playing an important role in wireless sensor network localization, which are used as the reference nodes to calculate the target position.

摘要：信标节点在无线传感器网络定位技术中起着重要的作用，它作为参考节点决定着被定位目标的位置。

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The Patriot missile homes on an electronic signal "painted" on the target by the radar, and relays its position in relation to the target back to the radar and on to the control centre.

BBC: Fact file: Patriot missile defence

The values are shown by a score panel along the bottom of the target, while the position is shown by inserting an orange 'spotting disk' into the shot hole using a pin.

BBC: HOW FULL BORE EVENTS UNFOLD

When the result is transformed back into its original condition, the only light remaining marks the position of the target, or things that looked similar to it, in the original image.

ECONOMIST: Optical recognition