北斗/GPS导航系统抗高功率微波防护设计

韩曹政; 王武斌; 赵伟; 陈瑞涛; 马兴旺; 李艳玲; 白嘉琪

doi:10.11884/HPLPB202436.240219

北斗/GPS导航系统抗高功率微波防护设计

doi: 10.11884/HPLPB202436.240219

中国电子科技集团公司第三十三研究所，太原 030032

基金项目: 国家重点研发计划项目（2022YFE0204200）；重点实验室基金项目（6142205230403）

详细信息

作者简介:
韩曹政，czheng991@163.com

中图分类号: TN965.2
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- 文章访问数: 33
- HTML全文浏览量: 19
- PDF下载量: 3
- 被引次数: 0
出版历程
- 收稿日期: 2024-06-28
- 修回日期: 2024-09-23
- 录用日期: 2024-09-12
- 网络出版日期: 2024-10-10

Protection design of BD/GPS navigation system to resist high power microwave

The 33rd Research Institute of China Electronics Technology Group Corporation, Taiyuan 030032, China

摘要

摘要: 为提升北斗/GPS导航接收系统抗高功率微波的防护效能，采用场路协同仿真设计的方法，分析了北斗/GPS天线在高功率微波辐照下的响应特性，仿真得到天线端口的耦合电压量值。为实现对高功率微波的防护，设计两级防护电路，通过构建稳态电路和瞬态电路模型，对插入损耗和泄漏电压进行仿真分析，并对防护电路进行了加工。测试结果表明：防护电路在2 kW的窄带高功率微波注入下，泄漏功率小于0.5 W；在1411 V的超宽谱高功率微波注入下，泄漏电压小于12 V，可实现对高功率微波的有效抑制。同时将防护电路装配到北斗/GPS导航天线内，导航系统可正常工作。
- 导航系统 /
- 北斗/GPS天线 /
- 射频前端 /
- 高功率微波防护 /
- 场路协同仿真 /
- 防护电路
Abstract: In order to enhance the protective effectiveness of the BD/GPS navigation receiving system against high-power microwave, this paper adopted the method of field-circuit collaborative simulation design to analyze the response characteristics of the BD/GPS antenna under high-power microwave irradiation. The coupling voltage was obtained by simulation. To achieve protection against high-power microwave, a two-stage protection circuit was designed. By constructing steady-state and transient circuit models, the insertion loss and leakage voltage were analyzed according to simulation. And the circuit was processed. The test results show that the leakage power of the protective circuit was less than 0.5 W under HPM-NS injection of 2 kW. And the leakage voltage was less than 12 V under HPM-UWS injection of 1 411 V. This proposed circuit structure can achieve effective suppression of high-power microwave. At the same time, protection circuit was assembled into the BD/GPS antenna. Test results show that navigation system can operate normally.
- navigation system /
- BD/GPS antenna /
- RF front-end /
- high-power microwave protection /
- field-circuit collaborative simulation /
- protection circuit

HTML全文

图 1 天线仿真模型

Figure 1. Simulation model of antenna

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图 2 驻波比

Figure 2. Curve of VSWR

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图 3 轴比曲线

Figure 3. Curve of axial ratio

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图 4 辐射方向图

Figure 4. Radiation pattern

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图 5 窄带高功率微波辐照波形

Figure 5. Irradiation waveform of HPM-NS

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图 6 天线端口电压

Figure 6. Voltage of antenna port

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图 7 超宽谱高功率微波辐照波形

Figure 7. Irradiation waveform of HPM-UWS

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图 8 天线端口电压

Figure 8. Voltage of antenna port

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图 9 天线防护总体设计框图

Figure 9. Overall design block diagram of antenna protection

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图 10 小信号等效电路

Figure 10. Equivalent circuit of small signal

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图 11 瞬态电路

Figure 11. Transient circuit

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图 12 输出电压

Figure 12. Output voltage

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图 13 插入损耗测试曲线

Figure 13. Test curve of insertion loss

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图 14 注入测试系统

Figure 14. Injection test system

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图 15 北斗/GPS高功率微波防护天线

Figure 15. BD/GPS antenna against HPM

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表 1 窄带高功率微波注入试验数据

Table 1. HPM-NS injection test data

injection power/kW leakage power/W leakage voltage/V

1 0.23 3.4

2 0.40 4.5

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表 2 超宽谱高功率微波注入试验数据

Table 2. HPM-UWS injection test data

injection peak voltage/V leakage peak voltage/V

947 8.9

1 411 11.5

下载: 导出CSV

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