导弹目标单、双基地雷达散射截面对比分析

高磊; 曾勇虎; 汪连栋

doi:10.11884/HPLPB201830.170273

导弹目标单、双基地雷达散射截面对比分析

doi: 10.11884/HPLPB201830.170273

电子信息系统复杂电磁环境效应国家重点实验室, 河南洛阳 471003

详细信息

作者简介:
高磊(1983-), 男, 博士, 助理研究员, 从事雷达目标散射特性、宽带雷达数据处理研究；ren_lgao@126.com

中图分类号: TN95
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- 被引次数: 2
出版历程
- 收稿日期: 2017-06-30
- 修回日期: 2017-08-14
- 刊出日期: 2018-01-15

Comparison analysis of mono-static and bi-static radar cross sections for missile target

State Key Laboratory of Complex Electromagnetic Environment Effects on Electronics and Information System, Luoyang 471003, China

摘要

摘要: 目标单、双基地雷达散射截面(RCS)反映了目标是否容易被单、双基地雷达检测到。目前缺乏单、双基地RCS对比的量化指标。首先定义了双基地RCS相对于单基地RCS的RCS增强因子和RCS增强率，然后应用该定义统计分析了某隐身目标和非隐身目标双基地RCS计算结果。结果显示：对隐身目标，RCS增强因子大，RCS增强率高，对于非隐身目标，其RCS增强因子显著下降，RCS增强率不高。结合指标含义，应用双基地RCS有助于隐身目标检测，而对非隐身目标效果并不明显，这与雷达界认识相一致。这也说明，应用上述两个指标进行单、双基地RCS对比分析是有效的。此外根据隐身目标在较窄双基地角范围内的双基地RCS分析结果，应用双基地角20°~40°范围内的双基地RCS即可提高对隐身目标的检测效果。
- 雷达散射截面 /
- 增强因子 /
- 增强率 /
- 隐身目标
Abstract: Mono-static and bi-static radar cross sections (RCS) of target reflect that whether the target could be separately detected by mono-static and bi-static radars easily. Currently, there is no quantitative index for comparison between mono-static and bi-static RCS. In this paper, definitions of RCS enhancement factor and RCS enhancement ratio of bi-static RCS relative to mono-static are given at first. Then, the two definitions are applied to analyze bi-static RCS of some stealth target and non-stealth target. The result shows that, the RCS enhancement factor is big and RCS enhancement ratio is high for stealth target, but the factor is small and the ratio is low for non-stealth target. Combined with meaning of the two indexes, it can be found that, utilization of bi-static RCS is helpful for detection of stealth target, but this effect is not obvious for non-stealth target, which is consistent with the understanding of the radar community. This also shows that the application of the above two indexes in comparison analysis between mono-static RCS and bi-static RCS is effective. In addition, according to the analysis result of bi-static RCS in narrow bi-static angle for stealth target, the detection effect can be improved when bi-static RCS in bi-static angle range from 20° to 40° is used.
- radar cross section /
- enhancement factor /
- enhancement ratio /
- stealth target

HTML全文

图 1 双基地RCS数据入射、观测角度示意图

Figure 1. Sketch of incidence and observation angle for bi-static RCS

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图 2 隐身导弹模型8 GHz双基地RCS计算结果

Figure 2. Result of bi-static RCS calculation for some stealth missile in 8 GHz

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图 3 非隐身导弹模型8 GHz双基地RCS计算结果

Figure 3. Result of bi-static RCS calculation for some non-stealth missile in 8 GHz

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图 4 隐身导弹模型双基地RCS增强因子统计结果

Figure 4. Static result of bi-static RCS enhancement factor for stealth missile model

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图 5 隐身导弹模型双基地RCS增强率统计结果

Figure 5. Static result of bi-static RCS enhancement ratio for stealth missile model

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图 6 非隐身导弹模型双基地RCS增强因子统计结果

Figure 6. Static result of bi-static RCS enhancement factor for non-stealth missile model

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图 7 非隐身导弹模型双基地RCS增强率统计结果

Figure 7. Static result of bi-static RCS enhancement ratio for non-stealth missile model

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