无源定位与跟踪技术自身不辐射电磁波而且探测距离远，所以它在电子侦察中扮演着越来越重要的角色。
Passive localization and tracking system plays an important role in the electronic reconnaissance, because it works silently without electromagnetic radiation and covering larger region.
单站无源定位与跟踪技术由于自身不辐射电磁波，在电子侦察中扮演着重要角色。
Passive locating by single station technology is not radiate electromagnetic wave when measuring the target's position; it has broad application in electronic reconnaissance.
由于在雷达情报侦察中存在着很大的不确定性，因此在雷达辐射源的识别当中也存在着很大的不确定性，为此，本文选用不精确推理方式。
There are more uncertainties in the radar intelligence reception, so there are more uncertainties in the recognition of the radar radiation and the uncertainty reasoning is used in the paper.
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