| 基于相位差变化率的机载无源定位研究 |
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| 引用本文： | 司文健,平殿发,苏峰,赵培洪.基于相位差变化率的机载无源定位研究[J].舰船电子工程,2010,30(4):76-79. |
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| 作者姓名： | 司文健 平殿发 苏峰 赵培洪 |
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| 作者单位： | 海军航空工程学院,烟台,264001 |
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| 摘 要： | 单站无源定位的核心难点是如何实现无源测距问题。利用目标角度和角度变化率信息对观测站和目标间的距离进行解算,通过定位误差的几何分布（GDOP）对单次定位的距离测量精度进行了仿真分析。由于观测器在运动过程中对固定辐射源目标进行无源测距的精度不高,用卡尔曼滤波对多次定位进行了滤波处理。通过单次和多次定位精度的仿真验证了该方法是一种高精度的定位方法。
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| 关 键 词： | 单站无源定位 相位差变化率 定位精度 干涉仪 |
Study on Technology of Airborne Passive Location Based on Phase Rate of Change |
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| Si Wenjian Ping Dianfa Su Feng Zhao Peihong.Study on Technology of Airborne Passive Location Based on Phase Rate of Change[J].Ship Electronic Engineering,2010,30(4):76-79. |
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| Authors: | Si Wenjian Ping Dianfa Su Feng Zhao Peihong |
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| Institution: | Naval Aeronautical and Astronautical University;Yantai 264001 |
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| Abstract: | Passive measuring distance is the key of passive location by single observation.A method is proposed to calculate the distance between observation station and the target via resolving the relations of angle ang its changing rate,gives the GDOP(Geometric Dilution of Precision) of location error with single time location.The precision of the measuring distsance for the non-moving radiant point is not high when the observation is moving,by filtering the multiple times location with the KF,get the simulation of... |
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| Keywords: | single observer passive location phase rate of change location precision interferometer |
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