Overlapped Subarraying Techniques
SOUTHEASTERN MASSACHUSETTS UNIV NORTH DARTMOUTH
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In applications of phased array antennas for limited scan, sub-array schemes prove to be useful in reducing costs and space. An investigation of two such techniques, namely the space fed lens and a constrained feed system were conducted. Radiation patterns for a flat space-fed lens have been obtained and it has been shown that this system compares favorably in performance with the spherical lens, the latter being more difficult and expensive to construct in a space environment. Results on the effects of surface perturbations in the lens and on techniques for phase correcting at the feed for these are presented.
- Electrical and Electronic Equipment
- Active and Passive Radar Detection and Equipment
- Radiofrequency Wave Propagation