How to make the method to come true conveniently is very important in passive location. A new method of passive location to moving target is presented in this paper, which makes use of both DOA information and frequency information obtained from electromagnetic radiation. the observability analysis is given too. Using this method, the special maneuver of observer is no longer necessary, which is necessary for traditional measurements such as DOA only.
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许耀伟,周一宇,孙仲康.引入测频信息进行无源被动定位的方法研究. Passive Location and Observability Analysis to Moving Target with Frequency Measurements[J].国防科技大学学报,1998,20(5):61-65.