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An S‐band frequency‐modulated continuous‐wave boundary layer profiler: Description and initial results
Author(s) -
İnce Türker,
Frasier Stephen J.,
Muschinski Andreas,
Pazmany Andrew L.
Publication year - 2003
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 - 10.1029/2002rs002753
Subject(s) - optics , remote sensing , radar , boundary layer , doppler effect , coherence (philosophical gambling strategy) , convective boundary layer , rayleigh scattering , continuous wave , physics , geology , planetary boundary layer , computer science , telecommunications , laser , quantum mechanics , astronomy , thermodynamics
Operating principles of frequency‐modulated continuous‐wave (FMCW) radar are reviewed, and their measurement limitations for atmospheric targets are discussed. In particular, we outline misregistration errors due to Doppler velocities and target coherence limitations on range resolution. The latter is of importance to volumetric scattering from atmospheric targets. Parallax errors and near‐field operation are also considered. A high‐resolution S‐band FMCW radar developed at the University of Massachusetts is then described, and observations obtained by this system during the 1999 Cooperative Atmosphere‐Surface Exchange Study are used to illustrate system performance. In the convective boundary layer, Rayleigh scatterers appear to dominate the observed vertical profile of mean reflectivity at S‐band.