RDRARob Druppers Running Academy
RDRARectangular Dielectric Resonator Antenna
RDRARegional Disaster Response Advisor
RDRARegional Disaster Reduction Advisor (UN; various locations)
RDRARemedial Design/Remedial Action (US EPA)
RDRARed Deer Regional Airport (Canada)
RDRARussian Drag Racing Association
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References in periodicals archive ?
This RDRA array design does not include the coupling between the array element because wideband behavior is not required.
Figure 2 illustrate the measured results of the return loss (RL) versus frequency for RDRA wherein, it is observed that two distinct operating frequencies are excited which will result in dual frequency operation ([TE.sup.x.sub.111]).