Modal beam positioning
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United States of America Patent
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Issued Date -
Aug 13, 2009
app pub date -
Feb 4, 2009
filing date -
Feb 5, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An antenna system with an improved antenna feed system is discussed. This multi-beam antenna system can produce a beam of electromagnetic energy propagating in a desired direction by emitting multiple beams of electromagnetic energy that constructively and destructively interfere. The direction of the net beam of electromagnetic energy can be controlled by adjusting the phase and amplitude of the emitted beams of electromagnetic energy which in turn influences the constructive and destructive interference. The phase and amplitude adjustments can be determined by sampling coordinate rotation or similar functions. Aliased components of these functions can be particularly useful in element reduction.
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