Results 161 to 170 of about 1,334 (222)

Retinal nerve fibre layer thickness is associated with attention and predicts risk states of dementia. [PDF]

Brain Commun
Schroeter ML, Girbardt J, Luck T, Rodriguez FS, Plant GT, Wicklein B, Wirkner K, Engel C, Kynast J, Girbardt C, Wang M, Polyakova M, Hinz A, Witte AV, Kirsten T, Loeffler M, Villringer A, Riedel-Heller SG, Elze T, Rauscher FG.   +19 more
europepmc   +1 more source

Polarimetric Soil Moisture Retrieval at Short Wavelength

, 2013
Jagdhuber, Thomas, Papathanassiou, Konstantinos P., Hajnsek, Irena   +2 more
core  

Statistical Characterisation of the Maximum Eigenvalue of a Wishart Distribution with Application to Multi-Channel SAR System

, 2009
Zandona-Schneider, Rafael, Reigber, Andreas, Erten, Esra   +2 more
core  

On theoretical problems in radar polarimetry

, 1999
openaire   +1 more source

Soil Moisture Estimation under Vegetation applying Polarimetric Decomposition Techniques

, 2009
Jagdhuber, Thomas, Hajnsek, Irena, Schön, Helmut, Papathanassiou, Konstantinos   +3 more
core  

Mueller and Kennaugh matrices in radar polarimetry

IEEE Transactions on Geoscience and Remote Sensing, 1994
This paper is concerned with the notions of the Mueller matrix and the Kennaugh (or Stokes scattering) matrix, that are commonly used in the field of radar polarimetry. Although these two matrices are quite similar, there exists a basic difference between them that seems to have been overlooked by a number of researchers, resulting in a great deal of ...
Guissard, Albert
exaly   +3 more sources

On radar polarimetry in FM-CW radar [PDF]

Proceedings of IGARSS '93 - IEEE International Geoscience and Remote Sensing Symposium, 2002
This paper attempts to apply the principle of radar polarimetry to wideband synthetic aperture FM-CW radar and presents a basic polarimetric detection result of a linear target in a laboratory measurement. Although the principle of radar polarimetry has well been established for the completely polarized wave and for the monostatic case, it still needs ...
Y. Yamaguchi, T. Nishikawa, W.-M. Boerner, M. Sengoku, null Hyo Joon Eom   +4 more
openaire   +2 more sources

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On foundations of radar polarimetry

IEEE Transactions on Antennas and Propagation, 1986
Polarization aspects of the radar target scattering problem are reexamined. The optimization problem of radar polarimetry is formulated and Kennaugh's method of finding optimal polarizations is modified and extended to nonreciprocal and bistatic cases. Our approach does not necessitate diagonalization of the target scattering operator and therefore, a ...
W Boerner
exaly   +2 more sources

Imaging radar polarimetry: a review

Proceedings of the IEEE, 1991
Presents a tutorial review of the broad sweep of topics relating to imaging radar polarimetry, ranging from mathematical foundations to hardware and from implementation approaches to signal processing and calibration. The authors examine current developments in sensor technology and implementation for recording polarimetric measurements, and describe ...
H A Zebker, J J Van Zyl
exaly   +2 more sources

The Eigenvector-Eigenvalue Identity and Radar Polarimetry

2021 IEEE International Geoscience and Remote Sensing Symposium IGARSS, 2021
Eigenvalues and eigenvectors of the polarimetric covariance or coherency matrices play an integral role either directly or indirectly in the analysis and classification of radar polarimetric data. Since these matrices are hermitian their eigenvalues are real and are found simply as the roots of the characteristic polynomial of these matrices.
openaire   +1 more source