CODED APERTURE BEAM ANALYSIS METHOD AND APPARATUS
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United States of America Patent
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Issued Date -
Jul 4, 2013
app pub date -
Jun 7, 2012
filing date -
Dec 28, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method and apparatus for determining the range, radial velocity, and bearing angles of scattering objects reflecting RF signals or for determining the range, radial velocity, and bearing angles of sources RF signals. An array of antenna elements is utilized, the array of antenna elements each having an associated two state modulator wherein transmitted and/or received energy is phase encoded according to a sequence of multibit codes, the multibit codes each having two states with approximately a 50% probability for each of the two states occurring in each given multibit code in said sequence of multibit codes, thereby allowing the determination of range, radial velocity, and bearing angles through digital computation after the scattered signals have been received.
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