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|本期目录/Table of Contents|

利用空频域信息的固定单站无源探测定位方法

《探测与控制学报》[ISSN:1008-1194/CN:61-1316/TJ]

期数:
2010年03期
页码:
91
栏目:
出版日期:
2010-06-26

文章信息/Info

Title:
Fixed Single Observer Passive Detection and Location Using Spatial-Frequency Domain Information
文章编号:
1008-1194(2010)03-0091-05
作者:
万方; 丁建江; 郁春来
空军雷达学院，湖北 武汉430019
Author(s):
WAN Fang; DING Jianjiang; YU Chunlai
Air Force Radar Academy,Wuhan 430019,China
关键词:
空频域信息; 单站无源定位; 测距误差; 误差的几何分布
Keywords:
spatial-frequency domain information; single observer passive location; ranging error; geometrical dilution of precision
分类号:
TN971
DOI:
.
文献标识码:
A
摘要:
固定单站通过测量角度、角速度和多普勒频率变化率可实现对运动目标的无源定位，但该方法对角速度的测量精度要求很高。为此，提出一种利用空频域信息的固定单站无源探测定位方法，利用波达方向、相位差变化率、载波频率及多普勒频率变化率实现对运动目标的无源定位。分析和仿真表明：该方法回避了对角速度的高精度测量，降低了对参数测量技术的要求，测距误差受角度和频率测量误差的影响较小，受相位差变化率和多普勒频率变化率的测量误差影响较大。
Abstract:
Moving targets passive location can be realized by a fixed single observer using angle,angular velocity and Doppler frequency rate-of-change information.But this method requests high measuring accuracy of angular velocity.Therefor,a single observer passive location method was proposed by using direction of arrival,phase difference rate-of-change,frequency and Doppler frequency rate-of-change in this paper.The analysis and simulation showed that this method avoided the high precise measurement of angular velocity,and reduced the diffculties of parameter measurement.The ranging error was not sensitive to angle and frequency measuring error,and it was evidently affected by the measuring error of phase difference rate-of-change and Doppler frequency rate-of-change.

参考文献/References

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备注/Memo

备注/Memo:
*收稿日期：2010-01-07    修回日期：2010-03-28
基金项目：总装科研基金项目资助（KJ06110，KJ07126）；信息综合控制国家重点实验室项目资助；2010空军装备科研项目资助
作者简介：万方(1981-)，女，天津人，博士研究生，研究方向：无源定位、装备效能评估和论证等。E-mail：wanfang_kjld@139.com。
更新日期/Last Update: 2010-07-13