固态有源相控阵快前沿脉冲发射及空间合成

王乃志; 吴鸿超; 王侃

doi:10.11884/HPLPB202335.220338

固态有源相控阵快前沿脉冲发射及空间合成

doi: 10.11884/HPLPB202335.220338

王乃志^{1, 2,},
吴鸿超^{1, 2},
王侃^{1, 2}

1.
中国电子科技集团公司第十四研究所，南京 210039
2.
天线与微波技术国防科技重点实验室，南京 210039

详细信息

作者简介:
王乃志，nzwang@163.com

中图分类号: TN82
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- 被引次数: 0
出版历程
- 收稿日期: 2022-10-13
- 修回日期: 2023-02-19
- 录用日期: 2023-02-02
- 网络出版日期: 2023-02-28
- 刊出日期: 2023-04-07

Fast leading-edge pulse emission and spatial combination of solid-state active phased array

Wang Naizhi^{1, 2
,},
Wu Hongchao^{1, 2},
Wang Kan^{1, 2}

1.
The 14th Research Institute of China Electronics Technology Group Corporation, Nanjing 210039, China
2.
National Defense Key Laboratory of Antenna and Microwave Technology, Nanjing 210039, China

摘要

摘要: 快前沿射频脉冲发射是固态有源相控阵可实现的优势功能。分析了X波段固态有源相控阵实现快前沿射频脉冲发射的必要条件，包括激励传输、功率放大、定时同步和孔径渡越等影响因素及设计要点。相应的分析结论应用于某型X波段固态有源相控阵的样机研制，最终实现了数千个固态有源通道的快前沿射频脉冲的高效空间合成，合成射频脉冲前沿低于5 ns，验证了分析与设计的有效性。
- X波段相控阵 /
- 固态有源 /
- 快前沿脉冲 /
- 空间功率合成
Abstract: Fast leading-edge RF pulse emission is an advantageous function of solid-state active phased arrays. In this paper, the conditions of realizing fast leading-edge RF pulse emission are analyzed, including influences and design points of RF excitation transmission, power amplification, timing synchronization and aperture fill time. The conclusions are applied to a prototype design of an X-band solid-state active phased array, followed by validation test. RF pulses emitted by thousands of solid-state active channels are spatially combined into one, with the leading-edge shorter than 5 ns, which validates the analysis.
- X-band phased array /
- solid-state active /
- fast leading-edge pulse /
- pulse spatial combination

HTML全文

图 1 发射链路框图

Figure 1. Flow chart of RF power transmitting

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图 2 波导色散对脉冲上升沿的影响

Figure 2. Effect of waveguide dispersion on pulse leading-edge

下载: 全尺寸图片幻灯片

图 3 发射定时信号嵌套关系

Figure 3. Timing sequence for pulse modulation

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图 4 TR2时域离散对合成脉冲波形的影响

Figure 4. Effect of timing signal discretization on spatial pulse combination

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图 5 孔径渡越时间对合成脉冲波形的影响

Figure 5. Effect of aperture fill time on spatial pulse combination

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图 6 样机试验场景及快前沿脉冲合成结果

Figure 6. Prototype and emission pulse with leading-edge shorter than 5 ns

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表 1 波导色散对脉冲前沿上升时间的影响

Table 1. Effect of waveguide dispersion on pulse leading-edge

leading edge of input pulse/ns	leading edge of output pulse/ns
leading edge of input pulse/ns	BJ100, 7 m	BJ100, 14 m	BJ84, 7 m	BJ84, 14 m
1	4.80	7.60	2.07	3.32
2	3.85	6.14	2.44	2.81
3	4.14	5.42	3.14	3.61
5	5.53	6.30	4.92	5.12
7	7.12	7.71	6.85	6.90
10	9.84	10.07	9.90	9.79

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