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The enhancement of radar signatures corresponding to an object traveling in a particular velocity is proposed. The method employs a parabolic dish and focal plane array (FPA) processor together with a network resonant multi-dimensional recursive digital velocity filter. An FPA-fed parabolic dish antenna creates multiple radio frequency (RF) beams. The RF beams can sense simulated moving objects that...
This paper presents the theoretical capacity performance of different linear multi-user MIMO (MU-MIMO) pre-coding algorithms for a millimeter wave communication system using hybrid beam-forming. Hybrid beam-forming uses both RF and digital beam-forming and is a practical way to achieve the required array gains when the high bandwidths available at millimeter wave frequencies are utilized. The performances...
An active electronically scanned array (AESA) beamforming method that provides enhanced selectivity (interference rejection) for the same number of antennas compared to conventional delay-and-sum (DAS) beamforming is proposed. Conventional DAS 2-D transfer function is modified by introducing complex pole-manifolds based on recently proposed 2-D infinite impulse response (IIR) beam filters, at guaranteed...
We propose an architecture which reduce the circuit size to concurrently cancel co-channel interference and image- band interference. We adopt analogue Hilbert transformers to cancel image-band interference and adaptive array antennas to cancel co-channel interference. Furthermore, we can miniaturize the receiver by mixing all signals at the IF stage. We also show performance of the proposed system...
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