interferogram

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interferogram

[‚in·tə′fir·ə‚gram]
(graphic arts)
A photograph of a shock wave or other fluid flow, produced with the aid of an interferometer, in which the displacement of interference fringes is proportional to the density change across the fluid.
(spectroscopy)
A graph of the variation of the output signal from an interferometer as the condition for interference within the interferometer is varied.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Bamler, "Phase statistics of interferograms with application to synthetic aperture radar," Appl.
During detection, spectral and spatial information from the interferograms of each pixel is processed using proprietary advanced algorithms.
Because X-band signals are reflected even by leaves, and small changes of the scene may cause severe decorrelation of X-band interferograms. Therefore, conventional coregistration methods can not acquire expected results, and a new coregistration algorithm, which contains coarse coregistration, azimuth spectral filter, and accurate coregistration with adaptive subspace projection, is proposed for spotlight SAR interferometry.
We first sampled the interferograms g(z) generated from both functions [psi](k) with the sampling interval [DELTA] = 1.425[micro]m.
Extensive modifications were performed on a Zeiss interference comparator and presented in this paper, including laser-interferometer coupling with speckle reduction, optical system for acquisition of interferograms, and software for interferogram evaluation.
--The various interferometric phase contributions (residual topography due to the limited precision of the DEM used for generating the differential interferograms, orbital inaccuracies, possible ground deformation and noise) space normal baseline analysis exploiting their different spectral behaviour.
Unfortunately, the FIRAS team does not publish a sufficient number of interferograms to enable the complete dissection of this question.
For the study, researchers combined images (to form "interferograms") taken before and after suspected land motion at sites of historical ground movement near transmission pipelines.
The system uses a moving crystal wedge to obtain FT interferograms for the materials being tested.
The InfraProver II is a polarization interferometer Fourier transform NIR instrument based on principles of HPCS (High Performance Crystal Spectroscopy) The system uses a moving crystal wedge to obtain FT Interferograms for the materials being tested.
(2013) who used 167 SAR ERS-1/2 and Envisat images acquired between 1995 and 2009 from one ascending and one descending track and created over five hundred interferograms that were used for time series analysis.