Abstract: A bidirectional multibeam transmit-reflect-array (TRA) antenna has been proposed for the space–air–ground–sea integrated network (SAGSIN). The TRA consists of alternating transmission ...
Duplicate enrollments in Arkansas' Educational Freedom Account program and in public schools regularly involved students who were enrolled merely parttime at the school or received special education ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback