| US 7,495,764 B1 | ||
| Coherent radar and ladar polarimeter | ||
| Robert W. McMillan, Owens Cross Roads, Ala. (US); and Ernest J. Holder, Marietta, Ga. (US) | ||
| Assigned to The United States of America as represented by the Secretary of the Army, Washington, D.C. (US) | ||
| Filed on Jul. 25, 2003, as Appl. No. 10/631,218. | ||
| Claims priority of provisional application 60/425775, filed on Nov. 07, 2002. | ||
| Int. Cl. G01J 4/00 (2006.01) | ||
| U.S. Cl. 356—364 | 23 Claims |
| 1. A polarimeter, comprising:
a receiver that is configured to:
receive a first polarization (P1) of a signal and to split the first polarization of the signal into the in-phase (IP1) and quadrature (QP1) components; and
receive a second polarization (P2) of the signal and to split the second polarization of the signal into the in-phase (IP2) and quadrature (QP2) components; and
a processor that is configured to:
receive each of the in-phase and quadrature components ((IP1), (QP1), (IP2), and (QP2)) of the first and second polarizations; and
determine the Stokes polarization vector components (s0, s1, s2, and s3) of the signal.
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