An RF scanning receiver based on photonics for electronic warfare applications

P. Ghelfi, D. Onori, F. Laghezza, F. Scotti, A. Bogoni, A. Albertoni, A. Tafuto
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引用次数: 8

Abstract

We present the design and simulative results of an innovative RF receiver based on photonic techniques that quickly scans the RF band of interest in warfare applications, avoiding the spectrum channelization and thus reducing the receiver SWaP. The scheme is based on a stable mode-locked laser and a specifically designed tunable optical filter, and it simultaneously samples, filters, and down-converts the detected spectrum. The analysis confirms the scheme capability for detecting signals beyond 18GHz, with instantaneous bandwidth >1GHz and dynamic range >40dB. The scheme implementation with integrated photonics technologies will ensure fast scanning (filter repositioning in <;100ns), high environmental stability, and reduced SWaP, meeting the increasingly stringent requirements of electronic warfare applications.
电子战中基于光子学的射频扫描接收机
我们提出了一种基于光子技术的创新射频接收器的设计和仿真结果,该接收器可以快速扫描战争应用中感兴趣的射频频段,避免频谱信道化,从而降低接收器SWaP。该方案基于稳定的锁模激光器和专门设计的可调谐光滤波器,同时对检测到的光谱进行采样、滤波和下转换。分析证实了该方案能够检测18GHz以上的信号,瞬时带宽>1GHz,动态范围>40dB。采用集成光子技术的方案实现将确保快速扫描(滤波器在< 100ns内重新定位),高环境稳定性和降低SWaP,满足日益严格的电子战应用要求。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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