SIGNAL PROCESSING METHOD, DETECTION METHOD, AND DETECTION DEVICE
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United States of America Patent
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Issued Date -
May 5, 2016
app pub date -
May 22, 2014
filing date -
May 24, 2013
priority date (Note) -
Abandoned
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Abstract
Provided is a signal processing method including a step of acquiring a plurality of Stokes parameters related to polarization in which X polarization and Y polarization included in a dual-polarization phase-shift keying (DP-PSK) signal are defined as an x component and a y component, respectively, and a step of acquiring a two-dimensional constellation diagram by orthographically projecting coordinates defined by each of the Stokes parameters, in a Poincare sphere coordinate system, onto a plane including coordinates (0, 1, 0), (0, 0, 1), (0, −1, 0) and (0, 0, −1).
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