Abstract: This letter proposes an active array calibration and digital predistortion (DPD) training method that relies on a series of measurement data captured using near-field (NF) probes embedded ...
Objectives The use of economic evidence to prioritise vaccines and delivery strategies to optimally use in immunisation systems is becoming a global priority, especially in low- and middle-income ...
Abstract: In this letter, we propose using the conical conformal array antenna to launch the steering electromagnetic orbital angular momentum (OAM) vortex waves. First, the theoretical calculation ...
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