2025年1月8日 · In this paper, we report a novel programmable PRFM supporting ultra-high capacity storage and functionally-integrated radar jamming. On the one hand, the storage capacity and bandwidth scalability are further developed by bandwidth response optimization founded on the signal-carrier separation strategy.

Digital Radio Frequency Memory (DRFM) is an electronic method for digitally capturing and retransmitting RF signals. DRFM systems are typically used in radar jamming, although applications in cellular communications are becoming more common.

PRFM can potentially cover frequencies from near DC to 110 GHz, which are of interest in Electronic Warfare (EW). Photonic technology offers the opportunity for high fidelity signal storage without the use of down-conversion or analogue-to-digital converters. In this report, design issues and possible solutions of PRFM are discussed to assist

2020年10月21日 · A multifunctional PRFM structure with rapid response time and complex jamming modes including the reconfiguration of DFS, IBW, RF pulse width, and storage time has been presented. The response time of 30 ns is realized using precise sequence control of the system and SOA based output optical switch.

In this paper, we report the first all-optical solution for multi-false-target range-velocity compound deception jamming based on frequency-comb-enabled photonic RF memory (PRFM). The operation frequency of current digital RF memory (DRFM) in electronic countermeasures is severely limited by low-speed digital devices.

Digital RF Memory (DRFM) based jammers in modern deceptive EA systems and the simulation of these EA systems to evaluate vulnerability to jamming techniques. The Attack-Counterattack Game In the world of electronic counter measures (ECM), there is a constant battle of one-upmanship, where each side is continu-

2018年1月1日 · A jammer with DRFM is able to intercept and forward a radar transmission signal. Therefore, the jamming signal is coherent with the target echo. Partial processing gain can be achieved from signal processing such as pulse compression (PC) and coherent integration, thus carrying out effective jamming against the coherent radar [ 9 , 10 ].

Experimental demonstration of the frequency shifting loop based PRFM has been carried out for the first time, showing a long and reconfigurable storage time of more than 300 μs with high signal...

2014年1月1日 · It is based on a frequency shifting recirculating delay line loop for the RF pulse storage, which prevents lasing and enables multiple recirculations and long storage time to be realised. The new...

2014年4月26日 · In this report, design issues of PRFM are analysed and discussed to understand its limitations. Possible solutions to overcome various design issues are suggested to