1.4.2 to unwrap the interferograms
based on the minimum cost flow algorithm (Chen and Zebker, 2000) The calculations on the tremor of Nov.
retrieved from the interferogram
using a Fourier transform algorithm.
Caption: Figure 1: Fabry-Perot interferograms
of Q-switched ruby laser radiation (rings labeled M) and of the Brillouin scattered Stokes radiation (rings labeled B).
Sansosti, "A new algorithm for surface deformation monitoring based on small baseline differential SAR interferograms
," IEEE Transactions on Geoscience and Remote Sensing, vol.
To gain information about [S.sub.E] and [S.sub.O] or the phase [alpha] (see (8)), V(x) needs to be sampled on both sides of the spatial origin, so that the asymmetric feature in the interferogram
Xerogel Ti[O.sub.2] thin films were insolated by a 2 cm long interferogram
, presented in the previous paragraph, while moving underneath at a speed of 0.01 mm/s.
generated by propagating the three wavefronts is shown in Figure 8.
Analyzing laser Plasma interferograms
with a continuous Wavelet transform ridge extraction technique: the method, Applied Optics, 40(35), 6561-6568.
Superimposing the images gives what is known as an interferogram
. It can be used to generate digital terrain models with elevation at a resolution of a few metres.
In this context, two radar images that are acquired from the same surface area are differenced in phase to form a radar interferogram
, which in turn detects and assesses possible deformations.
Visually, this is defined as the maximum bright band on the interferogram
As mentioned before, the demodulation of a single interferogram
often involves a combination of methods (GA + Zernike, PSO + Zernike, Neuronal networks + others, etc.).
The result will be an interferogram
. Photograph this and then illuminate the interferogram
with coherent optical light and record the reconstructed image on a photographic plate." (Mulvey, 1995).
Closely related with the SAR technology, InSAR (Interferometric Synthetic Aperture Radar) uses at least two SAR images (the product obtained is called interferogram
) to track the temporal changes of different objects of interest, to map the vertical movements or the texture changes from certain areas or to obtain a very high resolution DEM.
Once the film surface was in focus, a primary interferogram
representative of the film surface was observed.