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Optimal Rabbit Ear Effect Detection and Suppression for Electronic Support Receiver

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Any channelized receiver suffers from a phenomenon referred to as rabbit ear effect. This phenomenon appears when an out-of-band pulse generates a distorted response at the output of the selected filter. In this paper, the rabbit ear effect is analyzed and a tri-band filter structure is proposed to identify and suppress the rabbit ear effect. The average likelihood detection strategy is adopted to optimize the parameters of the tri-band filter as well as the detector structure. It is shown that while competing methods reject all short duration pulses, the proposed system preserves all in-band pulses while eliminating most of the out-of-band pulses (i.e. rabbit ear pulses).

Meysam Lotfi

Field of Interest

“The field of interest shall be the organization, systems engineering, design, development, integration, and operation of complex systems for space, air, ocean, or ground environments. These systems include but are not limited to navigation, avionics, mobile electric power and electronics, radar, sonar, telemetry, military, law-enforcement, automatic test, simulators, and command and control."


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