Method of designing transmission power in synthetic aperture radar
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United States of America Patent
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Aug 20, 1996
Grant Date -
N/A
app pub date -
Mar 9, 1995
filing date -
Mar 23, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a method of designing the transmission power of a synthetic aperture radar installed on a flight object such as an artificial satellite, the transmission power is designed such that, in applying radar equation P.sub.r =P.sub.t .multidot..sigma..multidot.A.sub.p.sup.2 /(4.pi..lambda..sup.2 R.sup.4) [P.sub.t :transmission power (W), .sigma.: radar scattering cross section (m.sup.2), A.sub.p :antenna area (m.sup.2), R: distance to the object to be observed (m), .lambda.: wavelength of radio wave (m)] for setting transmission power P.sub.r so as to satisfy the conditions required for the radar, the radar scattering cross section .sigma. is set to .sigma.=.sigma..sup.0 .multidot.S.sup.2 .multidot.4.pi./ .lambda..sup.2 [.sigma..sup.0 :scattering coefficient, S:area of irradiated domain (m.sup.2)].
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