| 基于回旋管的星载太赫兹成像雷达设计与仿真 |
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| 引用本文： | 李晋,皮亦鸣,杨晓波.基于回旋管的星载太赫兹成像雷达设计与仿真[J].电子测量与仪器学报,2010,24(10):892-898. |
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| 作者姓名： | 李晋 皮亦鸣 杨晓波 |
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| 作者单位： | 电子科技大学电子工程学院; |
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| 摘 要： | 太赫兹技术应用和关键器件研制是当今学术界的重要研究课题。太赫兹雷达具有很高的系统带宽和成像精度,可广泛应用于雷达探测和成像领域。回旋管能在较高的频段上实现大功率发射,是目前广泛采用的一种太赫兹频率源。根据国内外大功率回旋管的研究现状,提出了一种基于回旋管的星载太赫兹成像雷达系统方案,对雷达的关键技术指标,如作用距离、发射功率和天线增益等进行了详细论证,并进行了ISAR成像仿真试验,仿真结果验证了成像系统的高分辨率特性,为太赫兹频段高分辨率成像雷达系统设计提供理论依据和技术支持。
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| 关 键 词： | 太赫兹雷达 大功率回旋管 功率预算 ISAR成像 |
Spaceborne imaging radar system based on gyrotron in terahertz band design and simulation |
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| Li Jin,Pi Yiming,Yang Xiaobo.Spaceborne imaging radar system based on gyrotron in terahertz band design and simulation[J].Journal of Electronic Measurement and Instrument,2010,24(10):892-898. |
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| Authors: | Li Jin Pi Yiming Yang Xiaobo |
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| Affiliation: | Li Jin Pi Yiming Yang Xiaobo(College of Electronic Engineering,University of Electronic Science and Technology of China,Chengdu 611731,China) |
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| Abstract: | Terahertz technique application and key component development are the important research subjects considered by the domestic and overseas academic circles nowadays.Terahertz radar system has the large bandwidth and imaging precision,and it could be widely used in the domain of radar target detection and radar imaging.Gyrotron can provide very high power in sub-millimeter wave band,which is commonly used high-power source in terahertz band.In this paper,a spaceborne imaging radar system scheme based on the h... |
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| Keywords: | Terahertz radar system high-power gyrotron power budget ISAR imaging |
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