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Two‐dimensional tomography in a statistically homogeneous medium
Author(s) -
Tereshchenko E.,
Hagfors T.
Publication year - 1997
Publication title -
radio science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.371
H-Index - 84
eISSN - 1944-799X
pISSN - 0048-6604
DOI - 10.1029/96rs03598
Subject(s) - chirp , radar , homogeneous , range (aeronautics) , context (archaeology) , coding (social sciences) , radar systems , computer science , mathematics , algorithm , optics , physics , statistical physics , geology , telecommunications , statistics , laser , paleontology , materials science , composite material
The problem of reconstruction of the moments of a function from its central projections is discussed when the range of one of the variables is limited. The theory is then considered in the context of incoherent scatter radar observation of the ionosphere with a chirped radar system. The combination of the chirp technique with special phase coding schemes is also considered but is found unattractive in most cases because of the strict requirements on time stationarity of the medium, a situation which often does not exist.