一种强电磁脉冲辐射场均匀性校准测试装置

高原; 秦风; 吴双

doi:10.11884/HPLPB201931.190053

一种强电磁脉冲辐射场均匀性校准测试装置

doi: 10.11884/HPLPB201931.190053

高原^{1, 2, 3,},
秦风^{1, 2, 3, ,},
吴双^{1, 2, 3}

1.
中国工程物理研究院应用电子学研究所, 四川绵阳 621999
2.
中国工程物理研究院复杂电磁环境科学与技术重点实验室, 四川绵阳 621999
3.
中国工程物理研究院应用电子学研究所, 高功率微波技术重点实验室, 四川绵阳 621999

基金项目:

国防基础科研项目 JCKY2016212B034

详细信息

作者简介:
高原(1989-)男，硕士，助理研究员，从事电磁环境构建技术研究；18142550916@163.com

通讯作者:
秦风(1985-)男，博士，副研究员，从事复杂电磁环境效应及防护技术研究；fq_soul2000@163.com

中图分类号: TM937
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出版历程
- 收稿日期: 2019-02-27
- 修回日期: 2019-04-24
- 刊出日期: 2019-07-15

Device for uniformity calibration of high-intensity electromagnetic pulse radiation

Gao Yuan^{1, 2, 3
,},
Qin Feng^{1, 2, 3
, ,},
Wu Shuang^{1, 2, 3}

1.
Institute of Applied Electronics, CAEP, Mianyang 621999, China
2.
Key Laboratory of Science and Technology on Complex Electromagnetic Environment, CAEP, Mianyang 621999, China
3.
Science and Technology on High Power Microwave Laboratory, Institute of Applied Electronics, CAEP, Mianyang 621999, China

摘要

摘要: 目前，辐射场均匀性主要采用单点多次测试的方式来实现，该方式将不可避免地引入因辐照信号自身时变特性带来的测量误差；此外，单点多次测试极大地增加了测试时间、测试效率低下。为解决这些问题，本文设计了一种可实现一次多点测试、测试区域可自动调节的装置，仿真表明：该装置可满足500 mm×500 mm~1500 mm×1500 mm区域辐射场9点均匀性测试；在此基础上，在1000 mm×1000 mm测试区域，针对1.35 GHz和2.88 GHz两个频点开展了实验验证，实验表明：设计的测试装置可满足辐射场均匀性9点自动测试要求，大幅提高了测试效率和自动化程度。
- 强电磁脉冲 /
- 辐射场 /
- 均匀性 /
- 多点自动测试
Abstract: The uniformity of high-intensity electromagnetic radiation field is mainly realized by multiple tests at a single point presently, which will inevitably lead to measurement errors due to the time-varying characteristics of the radiation signal itself. Moreover, the method of multiple tests at a single point greatly increases the test time and lowers the test efficiency. To solve these problems, a device realizing multi-points test was designed. The test area can be adjusted automatically. The simulation results show that the device can meet the 9-point uniformity test of radiation field in the range of 500 mm×500 mm-1500 mm×1500 mm. In the 1000 mm×1000 mm test area, the experimental verification was carried out for the two frequency points of 1.35 GHz and 2.88 GHz. The experiment shows that the designed test device can meet the 9-point automatic test requirement of high-intensity radiation field uniformity, which greatly improves the test efficiency and automation.
- high-intensity radiation field /
- radiation field /
- field uniformity /
- multiple-points automatic test

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图 1 窄带高功率微波辐射场均匀区确定示意图

Figure 1. Schematic for the determination of uniform region of narrow-band high power microwave radiation

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图 2 高功率微波辐射场均匀性测试装置

Figure 2. Uniformity measurement device of high power microwave radiation

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图 3 CST仿真模型

Figure 3. Simulation model

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图 4 仿真波形示例

Figure 4. CST simulation signal demonstration

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图 5 载波频率为1.35 GHz条件下的仿真结果

Figure 5. Simulation results with the carrier wave frequency of 1.35 GHz

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图 6 载波频率为2.88 GHz条件下的仿真结果

Figure 6. Simulation results with the carrier wave frequency of 2.88 GHz

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图 7 载波频率为1.35 GHz条件下的测试结果

Figure 7. Measurement results with the carrier wave frequency of 1.35 GHz

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图 8 载波频率为2.88 GHz条件下的测试结果

Figure 8. Measurement results with the carrier wave frequency of 2.88 GHz

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表 1 常见材料的物理特性

Table 1. Physical properties of common insulating materials

material	dielectric coefficient	density/(kg·m^-3)	bending strength/MPa
organic glass	3.9	1200	130
wood	2.6	1000	135
PTFE	2.0	2200	25
reinforced nylon	2.6	1180	175

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表 2 不同频率、不同测试区域时场均匀性最大偏差值

Table 2. The maximum difference of electric field uniformity under different carrier wave frequency and different measurement size

frequency/GHz	the maximum difference of electric field uniformity/dB
frequency/GHz	500 mm×500 mm	1000 mm×1000 mm	1500 mm×1500 mm
1.35	0.20	0.47	1.13
2.88	0.16	0.83	1.10

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表 3 不同频率、不同测试支架条件下场均匀性最大偏差值

Table 3. Maximum difference of electric field uniformity under different carrier wave frequency and different measurement bracket

frequency/GHz	wooden bracket/dB	newly-designed device/dB
1.35	2.29	1.91
2.88	2.94	1.83

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