Relevant bibliographies by topics / Polarimetrie

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Polarimetrie'

Author: Grafiati
Published: 4 June 2021
Last updated: 22 June 2024

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Journal articles on the topic "Polarimetrie"

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Dimitrov, Zlatomir. "Polarimetric Analysis of ALOS PALSAR data (POL-SAR) over Test Areas in North-West Bulgaria – Polarimetric Descriptors, Decompositions and Classifications." Aerospace Research in Bulgaria 34 (2022): 29–55. http://dx.doi.org/10.3897/arb.v34.e03.

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This study is focused on utilizing full-polarimetric L-band radar data from ALOS PALSAR (JAXA) by means of Polarimetry (POL-SAR), over mountainous test sites in Bulgaria. General aim is to show feasibility of the Polarimetry to describe natural targets, which exhibits various scattering mechanisms in respect to their bio-physical and geometrical properties. Firstly, the importance of Covariance and Coherent matrices is shown, which is followed by calculation of the polarimetric coherences with their particular significance. The mathematical and physical model based decompositions are applied to describe backscattering media from scattering mechanisms. Radar indices resulted from H/A/α-decomposition showed radnomization of scattering mechanisms over forest areas, whilst two major scattering mechanisms are observed mainly in crop lands. Α comparison is made between polarimetric descriptors from acquisitions in different seasonality over mountainous forest and agricultural lands. Polarimetric segmentations and classifications are applied, with 8 (H/A) and 16 (H/A/α) components. Finally, a forest mask is proposed based on relevant polarimetric descriptors. Study showed good utilization and importance of the full-polarimetric L-band SAR data, derived from ALOS PALSAR, in natural targets and forest areas. This report resulted from a course GEO414 -“Polarimetrie”, held at the University of Jena, Lehrstuhl für Fernerkundung, in the framework of ERASMUS+, with the kind support of – Dr. T. Jagdhuber (DLR) and Prof. C. Schmullius.
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Kalina, Jiří, and Michal Lach. "Experiment for "Polarimetry" Teaching." Chemické listy 117, no. 1 (January 15, 2023): 30–36. http://dx.doi.org/10.54779/chl20230030.

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Polarimetry enables one to quantitatively determine certain substance (optically active substances) in a solution on the basis of rotation of the plane of the polarized light of a single wavelength. The main goal of this work is to measure concentration of optically active substances using homemade device, so called "polarimeter". The device measures the degree of light attenuation instead of the polarization angle of the polarized light as in commercial instruments. The designed "polarimeter" allows one to determine the concentration of optically active substances. It is a home-made device using a smartphone with a selected software, which is many times cheaper than commercially available ones. The authors would like to see the device find use in polytechnic education of students. Polarimetrie umožňuje kvantitativně stanovit určitou látku (opticky aktivní látky) v roztoku na základě měření úhlu stočení roviny polarizovaného světla jedné vlnové délky. Hlavním cílem této práce je měření koncentrace opticky aktivních látek pomocí podomácku vyrobeného přístroje, tzv. „polarimetru“. Zařízení měří míru zeslabení světla namísto úhlu stočení polarizovaného světla jako u komerčních přístrojů. Navržený „polarimetr“ umožňuje stanovit koncentraci opticky aktivních látek. Jde o podomácku vyrobené zařízení využívající chytrý telefon s vybraným softwarem, který je mnohonásobně levnější než komerčně dostupné. Autoři by rádi viděli využití zařízení v polytechnické výchově studentů.
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Sterken, C., A. U. Landolt, M. Beaseli, M. Breger, I. Glass, J. Graham, H. Hensberge, et al. "Commission 25: Stellar Photometry and Polarimetry: (Photometrie et Polarimetrie Stellaire)." Transactions of the International Astronomical Union 24, no. 1 (2000): 328–35. http://dx.doi.org/10.1017/s0251107x00003278.

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The work of Commission 25 covers a wide range of topics concerning the measurement of magnitude, colour and polarisation of astronomical objects. As such, the area of interest covers virtually every field of astrophysical research in the visual and infrared spectral domain. Our reports cover some aspects of photometry and polarimetry as a technique rather than being an account of research highlights over the last three years.
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Rufener, F. G., I. S. McLean, R. Buser, J. Dachs, P. J. Edwards, I. S. Glass, D. Kilkenny, et al. "Commission 25. Stellar Photometry and Polarimetry Photometrie Et Polarimetrie Stellaires." Transactions of the International Astronomical Union 20, no. 1 (1988): 243–52. http://dx.doi.org/10.1017/s0251107x00007173.

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The outstanding feature of the last triennium was most certainly the abrupt generalisation of the use of array detectors, particularly CCDs (charge coupled devices). The latter pervade all subdivisions of instrumental astronomy. The gains achieved by their high quantum efficiency, their stability, their capability of delivering immediately recordable signals which can be processed by appropriate computational means, have been the cause of spectacular progress regarding the photometric precision of weak signal measurements.
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McLean, I. S. "Commission 25. Stellar Photometry and Polarimetry Photometrie Et Polarimetrie Stellaires." Transactions of the International Astronomical Union 21, no. 1 (1991): 235–42. http://dx.doi.org/10.1017/s0251107x00010063.

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Technology has continued to influence the methods of stellar photometry and polarimetry in the last triennium. For example, CCDs continue to displace photographic plates in stellar photometry and other detector systems for imaging and spectro-polarimetry, new array detectors for infrared wavelengths have revolutionised the way infrared photometry and polarimetry is done and small automatic telescopes and robotic observatories have experienced a remarkable growth period. The volume of data to be archived and transformed to “standard” systems has become immense and all the problems of inter-comparing different systems still remain.
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Sterken, C. "Commission 25: Stellar Photometry and Polarimetry (Photometrie Stellaire Et Polarimetrie)." Transactions of the International Astronomical Union 25, no. 2 (2007): 181–83. http://dx.doi.org/10.1017/s0251107x00026791.

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Sterken, C., A. Landolt, S. Adelman, P. Bastien, M. Bessell, S. Fabrika, R. Gilliland, et al. "Commission 25: Stellar Photometry and Polarimetry: (Photometrie Et Polarimetrie Stellaires)." Transactions of the International Astronomical Union 25, no. 1 (2002): 338–39. http://dx.doi.org/10.1017/s0251107x00001693.

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McLean, I. S., A. T. Young, and F. Rufener. "Commission No. 25: Stellar Photography and Polarimetry (Photometrie et Polarimetrie Stellaire)." Transactions of the International Astronomical Union 20, no. 2 (1988): 223–31. http://dx.doi.org/10.1017/s0251107x00027449.

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Hoffmann, E. M., and A. Schulze. "Glaukomdiagnostik mittels Scanning-Laser-Polarimetrie." Der Ophthalmologe 106, no. 8 (August 2009): 696–701. http://dx.doi.org/10.1007/s00347-009-1956-7.

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Sens, Frank-Michael, Daniel Mojon, Johannes Fleischhauer, Oliver Bergamin, and Matthias Bohnke. "Nervenfaserschichtdickenmessung mittels Laser-Scanning-Polarimetrie im Altersvergleich." Klinische Monatsblätter für Augenheilkunde 212, no. 05 (May 1998): 261–63. http://dx.doi.org/10.1055/s-2008-1034875.

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Dissertations / Theses on the topic "Polarimetrie"

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Jagdhuber, Thomas. "Soil parameter retrieval under vegetation cover using SAR polarimetry." Phd thesis, Universität Potsdam, 2012. http://opus.kobv.de/ubp/volltexte/2012/6051/.

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Soil conditions under vegetation cover and their spatial and temporal variations from point to catchment scale are crucial for understanding hydrological processes within the vadose zone, for managing irrigation and consequently maximizing yield by precision farming. Soil moisture and soil roughness are the key parameters that characterize the soil status. In order to monitor their spatial and temporal variability on large scales, remote sensing techniques are required. Therefore the determination of soil parameters under vegetation cover was approached in this thesis by means of (multi-angular) polarimetric SAR acquisitions at a longer wavelength (L-band, lambda=23cm). In this thesis, the penetration capabilities of L-band are combined with newly developed (multi-angular) polarimetric decomposition techniques to separate the different scattering contributions, which are occurring in vegetation and on ground. Subsequently the ground components are inverted to estimate the soil characteristics. The novel (multi-angular) polarimetric decomposition techniques for soil parameter retrieval are physically-based, computationally inexpensive and can be solved analytically without any a priori knowledge. Therefore they can be applied without test site calibration directly to agricultural areas. The developed algorithms are validated with fully polarimetric SAR data acquired by the airborne E-SAR sensor of the German Aerospace Center (DLR) for three different study areas in Germany. The achieved results reveal inversion rates up to 99% for the soil moisture and soil roughness retrieval in agricultural areas. However, in forested areas the inversion rate drops significantly for most of the algorithms, because the inversion in forests is invalid for the applied scattering models at L-band. The validation against simultaneously acquired field measurements indicates an estimation accuracy (root mean square error) of 5-10vol.% for the soil moisture (range of in situ values: 1-46vol.%) and of 0.37-0.45cm for the soil roughness (range of in situ values: 0.5-4.0cm) within the catchment. Hence, a continuous monitoring of soil parameters with the obtained precision, excluding frozen and snow covered conditions, is possible. Especially future, fully polarimetric, space-borne, long wavelength SAR missions can profit distinctively from the developed polarimetric decomposition techniques for separation of ground and volume contributions as well as for soil parameter retrieval on large spatial scales.
Zur Verbesserung der hydrologischen Abflussmodellierung, der Flutvorhersage, der gezielten Bewässerung von landwirtschaftlichen Nutzflächen und zum Schutz vor Ernteausfällen ist die Bestimmung der Bodenfeuchte und der Bodenrauhigkeit von grosser Bedeutung. Aufgrund der hohen zeitlichen sowie räumlichen Dynamik dieser Bodenparameter ist eine flächenhafte Erfassung mit hoher Auflösung und in kurzen zeitlichen Abständen notwendig. In situ Messtechniken stellen eine sehr zeit- und personalaufwändige Alternative dar, deshalb werden innovative Fernerkundungsverfahren mit aktivem Radar erprobt. Diese Aufnahmetechniken sind von Wetter- und Beleuchtungsverhältnissen unabhängig und besitzen zudem die Möglichkeit, abhängig von der Wellenlänge, in Medien einzudringen. Mit dem in dieser Arbeit verwendeten polarimetrischen Radar mit synthetischer Apertur (PolSAR) werden die Veränderungen der Polarisationen ausgewertet, da diese aufgrund der physikalischen Eigenschaften der reflektierenden Medien objektspezifisch verändert und gestreut werden. Es kann dadurch ein Bezug zwischen der empfangenen Radarwelle und den dielektrischen Eigenschaften (Feuchtegehalt) sowie der Oberflächengeometrie (Rauhigkeit) des Bodens hergestellt werden. Da vor allem in den gemässigten Klimazonen die landwirtschaftlichen Nutzflächen die meiste Zeit des Jahres mit Vegetation bestanden sind, wurden in dieser Dissertation Verfahren entwickelt, um die Bodenfeuchte und die Bodenrauhigkeit unter der Vegetation erfassen zu können. Um die einzelnen Rückstreubeiträge der Vegetation und des Bodens voneinander zu trennen, wurde die Eindringfähigkeit von längeren Wellenlängen (L-band, lambda=23cm) mit neu entwickelten (multi-angularen) polarimetrischen Dekompositionstechniken kombiniert, um die Komponente des Bodens zu extrahieren und auszuwerten. Für die Auswertung wurden polarimetrische Streumodelle benutzt, um die Bodenkomponente zu modellieren und dann mit der extrahierten Bodenkomponente der aufgenommenen Daten zu vergleichen. Die beste Übereinstimmung von Modell und Daten wurde als die gegebene Bodencharakteristik gewertet und dementsprechend invertiert. Die neu entwickelten, polarimetrischen Dekompositionstechniken für langwelliges polarimetrisches SAR basieren auf physikalischen Prinzipien, benötigen wenig Rechenzeit, erfordern keine Kalibrierung und sind ohne Verwendung von a priori Wissen analytisch lösbar. Um die entwickelten Algorithmen zu testen, wurden in drei verschiedenen Untersuchungsgebieten in Deutschland mit dem flugzeuggetragenen E-SAR Sensor des Deutschen Zentrums für Luft- und Raumfahrt (DLR) polarimetrische SAR Daten aufgenommen. Die Auswertungen der PolSAR Daten haben bestätigt, dass die besten Invertierungsergebnisse mit langen Wellenlängen erzielt werden können (L-Band). Des Weiteren konnten bei der Bestimmung der Bodenfeuchte und der Bodenrauhigkeit hohe Inversionsraten erreicht werden (bis zu 99% der Untersuchungsfläche). Es hat sich gezeigt, dass die polarimetrischen Streumodelle bei der gegebenen Wellenlänge nicht für bewaldete Gebiete geeignet sind, was die Anwendbarkeit des Verfahrens auf landwirtschaftliche Nutzflächen einschränkt. Die Validierung mit Bodenmessungen in den Untersuchungsgebieten, die zeitgleich zu den PolSAR Aufnahmen durchgeführt wurden, hat ergeben, dass eine kontinuierliche Beobachtung des Bodenzustandes (ausgenommen in Zeiten mit gefrorenem oder Schnee bedecktem Boden) mit einer Genauigkeit (Wurzel des mittleren quadratischen Fehlers) von 5-10vol.% für die Bodenfeuchte (in situ Messbereich: 1-46vol.%) und von 0.37-0.45cm für die Bodenrauhigkeit (in situ Messbereich: 0.5-4.0cm) möglich ist. Besonders künftige Fernerkundungsmissionen mit langwelligem, voll polarimetrischem SAR können von den entwickelten Dekompositionstechniken profitieren, um die Vegetationskomponente von der Bodenkomponente zu trennen und die Charakteristik des Oberbodens flächenhaft zu bestimmen.
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GERMOND, ANNE-LAURE. "Theorie de la polarimetrie radar bistatique." Nantes, 1999. http://www.theses.fr/1999NANT2008.

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Le travail effectue propose une extension de la theorie de la polarimetrie radar, elaboree pour des systemes de mesures monostatiques, vers une theorie applicable a des systemes de mesures bistatiques. L'objectif de cette etude est de fournir des outils permettant de decrire les cibles dans le but de les caracteriser, de les classifier, voire de les identifier. Toute cible peut etre consideree, suivant sa structure, comme un modificateur plus ou moins fort de l'etat de polarisation de l'onde emise, vis-a-vis de l'onde diffusee. Elle est modelisee par une matrice, appelee matrice de diffusion. La volonte de detecter des cibles dites furtives accroit l'interet de mesurer la polarisation de l'onde diffusee, car ces cibles depolarisent generalement fortement et ne sont pas reperables par des radars scalaires. De plus, certaines cibles ne diffusent qu'un speculaire dans la direction de propagation-avant et seul un radar en configuration bistatique pourra les detecter. L'approche choisie pour fonder la theorie de la polarimetrie radar repose sur la decomposition de la matrice de diffusion bistatique en la somme d'une matrice symetrique et d'une matrice antisymetrique. La matrice symetrique permet de conserver les proprietes du cas monostatique, alors que la matrice antisymetrique denote le caractere purement bistatique de la configuration du systeme de mesures. Dans notre etude, nous nous sommes inspires de la demarche proposee par j. R. Huynen lors de l'elaboration de la theorie de la polarimetrie radar monostatique. Nous avons defini sept nouveaux parametres bistatiques fonction des elements de la matrice de diffusion bistatique. Ils viennent s'ajouter aux neuf parametres de huynen dependant de la partie symetrique. Ces seize parametres permettent alors de specifier la matrice de kennaugh. Cinq nouvelles equations de cibles bistatiques ont ete etablies, leur nombre total s'elevant ainsi a neuf. Ces neuf relations independantes, liant entre eux les seize parametres bistatiques, se construisent directement a l'aide du diagramme structurel bistatique d'une cible, appele aussi berlingot, que nous avons defini. Quatorze etats de polarisation caracteristiques de la cible sont proposes et leurs vecteurs de jones sont determines. Les positions relatives de ces points, visualisees sur la sphere de poincare, forment la fourchette de polarisation bistatique qui est geometriquement definie par six angles. Ces angles constituent, avec la puissance maximale copolarisee liee au rayon de la sphere de poincare, les parametres d'euler bistatiques. Une premiere approche de l'etude phenomenologique bistatique, reposant sur differentes cibles canoniques, est presentee. Les evolutions des seize parametres bistatiques suivant differentes configurations sont visualisees. Enfin, dans l'hypothese d'une mise en oeuvre d'une campagne de mesures bistatiques et polarimetriques de cibles, plusieurs methodes de calibration bistatiques sont presentees.
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They, Jan. "Polarimetrie von parametrischer Röntgenstrahlung sowie Entwicklung eines Compton-Polarimeters für niederenergetische Röntgenstrahlung." [S.l. : s.n.], 2003. http://deposit.ddb.de/cgi-bin/dokserv?idn=967428270.

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Deby, Stanislas. "Développement d'un colposcope polarimétrique de Müller pour le dépistage du cancer du col utérin : premières mesures in-vivo." Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLX021/document.

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Cette thèse a été consacrée au développement et à la mise en oeuvre d’un imageur polarimétrique de Müller installé sur un colposcope standard dans le but de diagnostiquer invivo des lésions précancéreuses du col utérin.Ce travail s’est appuyé sur le développement réalisé durant les dix dernières années au LPICM à l'École polytechnique d’une nouvelle technologie d'imagerie médicale non invasive et a priori adaptée à la détection précoce du cancer : l’imagerie polarimétrique
This thesis was devoted to the development and the implementation of a polarimetric imager of Müller installed on a standard colposcope in order to diagnose invivo precancerous lesions of the cervix.This work was based on the development carried out during the last ten years at the LPICM at the Ecole polytechnique of a new non-invasive medical imaging technology and a priori adapted to the early detection of cancer: polarimetric imaging
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Galletti, Michele. "Fully Polarimetric Analysis of Weather Radar Signatures." Doctoral thesis, Universitätsbibliothek Chemnitz, 2010. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-201000174.

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Diese (Doktor)arbeit beschäftigt sich mit Radar-Polarimetrie, insbesondere mit der Untersuchung der Eigenschaften von polarimetrischen Variablen, die potenziellen Nutzen für die Radar-Meteorologie haben. Für den Einsatz in Dual-Polarisations-Radargeräten wird der Polarisationsgrad analysiert. Diese Variable wird in künftigen operationellen Radargeräten verfügbar sein. Der Polarisationsgrad hängt vom transmittierten Polarisationszustand und in weiterer Folge auch vom Betriebsmodus des Radargeräts ab. Der Hauptbetriebsmodus von operationellen Radargeräten sendet und empfängt gleichzeitig sowohl die horizontale als auch die vertikale Komponente. Der sekundäre Betriebsmodus sendet und empfängt simultan die horizontal polarisierte Komponente. In dieser Arbeit werden beide Polarisationsgrade untersucht. Da operationelle Systeme derzeit auf den Dual-Polarisationsmodus aufgerüstet werden, sollte künftig die Anwendungsmöglichkeiten von vollpolarimetrischen Wetterradarsystemen untersucht werden. Aus allen Variablen, die in diesem Betriebsmodus zur Verfügung stehen, wurde die Entropie (des gemessen Objektes) ausgewählt und wegen seiner engen Beziehung zum Polarisationsgrad näher untersucht
The present doctoral thesis deals with radar polarimetry, namely with the investigation of properties of polarimetric variables potentially useful in radar meteorology. For use with dual-polarization radars, the degree of polarization is analyzed. This variable is available to planned operational radars. The degree of polarization is dependent on transmit polarization state and, consequently, it is dependent on the radar system operating mode. The primary operating mode of operational radars consists in simultaneous transmission and simultaneous receive of both horizontal and vertical components. The secondary operating mode consists of horizontal transmission and simultaneous receive. Both degrees of polarization are investigated in this thesis. Also, as operational systems are being updated to dual-polarization, research should start investigating the capabilities of fully polarimetric weather radar systems. Among the numerous variables available from this operating mode, the target entropy was chosen for investigation, also because of its close relation to the degree of polarization
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Sasso, Clementina. "Spectro-polarimetry of the solar chromosphere in the He I 10830 Å lines." [Katlenburg-Lindau] Copernicus Publ, 2008. http://d-nb.info/990118215/04.

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LE, BORGNE JEAN-FRANCOIS. "Polarimetrie des enveloppes d'objets astrophysiques evolues et de la comete halley." Toulouse 3, 1987. http://www.theses.fr/1987TOU30097.

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Utilisation d'un polarimetre photoelectrique monocanal, dans le domaine visible et uv, pour l'observation de l'enveloppe de poussieres de deux supergeantes rouges, des poussieres contenues dans 5 nebuleuses planetaires et des bandes moleculaires de fluorescence des cometes de halley et de hartley-good
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JORDA, JEAN-PAUL. "Mise au point d'une cavite fabry-perot pour la polarimetrie compton." Paris 6, 1997. http://www.theses.fr/1997PA066392.

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Le cea/dapnia travaille a la conception d'un nouveau type de polarimetre compton pour l'experience happex a cebaf. Cet instrument est base sur l'utilisation d'un resonateur optique qui permet une recirculation de la lumiere pour obtenir une grande densite de photons polarises au point d'interaction compton. Ce travail de these est la premiere etude pour un tel instrument. Il enonce les caracteristiques d'une cavite optique permettant une mesure rapide de la polarisation. Mes contributions aux essais de prototypes sont detaillees. Un gain en puissance > 160 a ete obtenu avec des miroirs de qualite modeste. Des mesures concernant l'asservissement en frequence du laser, le couplage optique du faisceau laser avec la cavite et la caracterisation de la puissance intra-cavite y sont egalement decrite. La conclusion indiaue les differentes etapes qu'il reste a franchir avant de pouvoir installer une telle cavite sur la ligne faisceau de cebaf.
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Narvekar, Parag S. "Polarimetric remote sensing of land and snow ice covers with the spaceborne microwave radiometer WindSat." Berlin Logos, 2007. http://d-nb.info/988500981/04.

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Feller, Alex J. "Instrument systems for imaging spectro-polarimetry." Göttingen Cuvillier, 2007. http://d-nb.info/988229595/04.

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Books on the topic "Polarimetrie"

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Stellar polarimetry. Weinheim: Wiley-VCH, 2010.

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Eric, Pottier, ed. Polarimetric radar imaging: From basics to applications. Boca Raton: Taylor and Francis, 2009.

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Italy), POLinSAR (2003 Frascati. Proceedings of the workshop POLinSAR, Applications of SAR polarimetry and polarimetric interferometry: 14-16 January 2003, Frascati, Italy. Edited by Sawaya-Lacoste Huguette and European Space Agency. Noordwijk, The Netherlands: ESA Publications, 2003.

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Yang, Ruliang, Bowei Dai, Lulu Tan, Xiuqing Liu, Zhen Yang, and Haiying Li. Polarimetric Microwave Imaging. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-8897-6.

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1942-, Kong Jin Au, ed. Polarimetric remote sensing. New York: Elsevier, 1990.

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Clarke, David. Stellar Polarimetry. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2009. http://dx.doi.org/10.1002/9783527628322.

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Astronomical polarimetry. New York, N.Y: Cambridge University Press, 1996.

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Hajnsek, Irena, and Yves-Louis Desnos, eds. Polarimetric Synthetic Aperture Radar. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-56504-6.

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Zhang, Guifu. Weather Radar Polarimetry. Boca Raton : Taylor & Francis, 2016. | “A CRC title.”: CRC Press, 2016. http://dx.doi.org/10.1201/9781315374666.

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Bellazzini, Ronaldo, Enrico Costa, Giorgio Matt, and Gianpiero Tagliaferri, eds. X-Ray Polarimetry. Cambridge: Cambridge University Press, 2009. http://dx.doi.org/10.1017/cbo9780511750809.

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Book chapters on the topic "Polarimetrie"

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McNally, Derek. "Stellar Photometry and Polarimetry Photometrie et Polarimetrie Stellaires." In Reports on Astronomy, 235–42. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3364-7_17.

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Rau, H. "Optische Aktivität und Polarimetrie." In Untersuchungsmethoden in der Chemie, 278–92. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2010. http://dx.doi.org/10.1002/9783527630929.ch18.

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López-Martínez, C., and E. Pottier. "Basic Principles of SAR Polarimetry." In Polarimetric Synthetic Aperture Radar, 1–58. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-56504-6_1.

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AbstractThis chapter critically summarizes the main theoretical aspects necessary for a correct processing and interpretation of the polarimetric information towards the development of applications of synthetic aperture radar (SAR) polarimetry. First of all, the basic principles of wave polarimetry (which deals with the representation and the understanding of the polarization state of an electromagnetic wave) and scattering polarimetry (which concerns inferring the properties of a target given the incident and the scattered polarized electromagnetic waves) are given. Then, concepts regarding the description of polarimetric data are reviewed, covering statistical and scattering aspects, the latter in terms of coherent and incoherent decomposition techniques. Finally, polarimetric SAR interferometry and tomography, two acquisition modes that enable the extraction of the 3-D scatterer position and separation, respectively, and their polarimetric characterization, are described.
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Lopez-Sanchez, J. M., J. D. Ballester-Berman, F. Vicente-Guijalba, S. R. Cloude, H. McNairn, J. Shang, H. Skriver, et al. "Agriculture and Wetland Applications." In Polarimetric Synthetic Aperture Radar, 119–78. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-56504-6_3.

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AbstractBased on experimental results, this chapter describes applications of SAR polarimetry to extract relevant information on agriculture and wetland scenarios by exploiting differences in the polarimetric signature of different scatterers, crop types and their development stage depending on their physical properties. Concerning agriculture, crop type mapping, soil moisture estimation and phenology estimation are reviewed, as they are ones with a clear benefit of full polarimetry over dual or single polarimetry. For crop type mapping, supervised or partially unsupervised classification schemes are used. Phenology estimation is treated as a classification problem as well, by regarding the different stages as different classes. Soil moisture estimation makes intensive use of scattering models, in order to separate soil and vegetation scattering and to invert for soil moisture from the isolated ground component. Then, applications of SAR polarimetry to wetland monitoring are considered that include the delineation of their extent and their characterisation by means of polarimetric decompositions. In the last section of the chapter, the use of a SAR polarimetric decomposition is shown for the assessment of the damages consequential to earthquakes and tsunamis.
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Papathanassiou, K. P., S. R. Cloude, M. Pardini, M. J. Quiñones, D. Hoekman, L. Ferro-Famil, D. Goodenough, et al. "Forest Applications." In Polarimetric Synthetic Aperture Radar, 59–117. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-56504-6_2.

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AbstractThe application of polarimetric Synthetic Aperture Radar (SAR) to forest observation for mapping, classification and parameter estimation (especially biomass) has a relatively long history. The radar penetration through forest volume, and hence the multi-layer nature of scattering models, make fully polarimetric data the observation space enabling a robust and full inversion of such models. A critical advance came with the introduction of polarimetric SAR interferometry, where polarimetry provides the parameter diversity, while the interferometric baseline proves a user-defined entropy control as well as spatial separation of scattering components, together with their location in the third dimension (height). Finally, the availability of multiple baselines leads to the full 3-D imaging of forest volumes through TomoSAR, the quality of which is again greatly enhanced by the inclusion of polarimetry. The objective of this Chapter is to review applications of SAR polarimetry, polarimetric interferometry and tomography to forest mapping and classification, height estimation, 3-D structure characterization and biomass estimation. This review includes not only models and algorithms, but it also contains a large number of experimental results in different test sites and forest types, and from airborne and space borne SAR data at different frequencies.
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Colin-Koeniguer, E., N. Trouve, Y. Yamaguchi, Y. Huang, L. Ferro-Famil, V. D. Navarro Sanchez, J. M. Lopez Sanchez, et al. "Urban Applications." In Polarimetric Synthetic Aperture Radar, 215–54. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-56504-6_5.

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AbstractThe experimental result reported in this chapter review the application of (high resolution) Synthetic Aperture Radar (SAR) data to extract valuable information for monitoring urban environments in space and time. Full polarimetry is particularly useful for classification, as it allows the detection of built-up areas and to discriminate among their different types exploiting the variation of the polarimetric backscatter with the orientation, shape, and distribution of buildings and houses, and street patterns. On the other hand, polarimetric SAR data acquired in interferometric configuration can be combined for 3-D rendering through coherence optimization techniques. If multiple baselines are available, direct tomographic imaging can be employed, and polarimetry both increases separation performance and characterizes the response of each scatterer. Finally, polarimetry finds also application in differential interferometry for subsidence monitoring, for instance, by improving both the number of resolution cells in which the estimate is reliable, and the quality of these estimates.
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Hajnsek, I., G. Parrella, A. Marino, T. Eltoft, M. Necsoiu, L. Eriksson, and M. Watanabe. "Cryosphere Applications." In Polarimetric Synthetic Aperture Radar, 179–213. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-56504-6_4.

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AbstractSynthetic aperture radar (SAR) provides large coverage and high resolution, and it has been proven to be sensitive to both surface and near-surface features related to accumulation, ablation, and metamorphism of snow and firn. Exploiting this sensitivity, SAR polarimetry and polarimetric interferometry found application to land ice for instance for the estimation of wave extinction (which relates to sub surface ice volume structure) and for the estimation of snow water equivalent (which relates to snow density and depth). After presenting these applications, the Chapter proceeds by reviewing applications of SAR polarimetry to sea ice for the classification of different ice types, the estimation of thickness, and the characterisation of its surface. Finally, an application to the characterisation of permafrost regions is considered. For each application, the used (model-based) decomposition and polarimetric parameters are critically described, and real data results from relevant airborne campaigns and space borne acquisitions are reported.
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Migliaccio, M., F. Nunziata, A. Marino, C. Brekke, and S. Skrunes. "Ocean Applications." In Polarimetric Synthetic Aperture Radar, 255–77. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-56504-6_6.

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AbstractIn this chapter, the most promising techniques to observe oil slicks and to detect metallic targets at sea using polarimetric synthetic aperture radar (SAR) data are reviewed and critically analysed. The detection of oil slicks in SAR data is made difficult not only by the presence of speckle but also by the presence of, e.g. biogenic films, low-wind areas, rain cells, currents, etc., which increase the false alarm probability. The use of polarimetric features has been shown to both observe oil slicks and distinguish them from weak-damping look-alikes but also to extract some of their properties. Similarly to oil slicks, the same factors can hamper the detection of metallic targets at sea. The radiometric information provided by traditional single-channel SAR is not generally sufficient to unambiguously detect man-made metallic targets over the sea surface. This shortcoming is overcome by employing polarimetry, which allows to fully characterize the scattering mechanism of such targets.
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Gusmeroli, V., P. Vavassori, and M. Martinelli. "A Coherence-Multiplexed Quasi-Distributed Polarimetrie Sensor Suitable for Structural Monitoring." In Springer Proceedings in Physics, 513–18. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-75088-5_76.

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Yang, Ruliang, Bowei Dai, Lulu Tan, Xiuqing Liu, Zhen Yang, and Haiying Li. "Compact Polarimetry SAR and Compact Polarimetric SAR Interferometry." In Polarimetric Microwave Imaging, 145–78. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-8897-6_5.

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Conference papers on the topic "Polarimetrie"

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Pieraccini, Massimiliano. "Polarimetrie RotoSAR." In 2016 IEEE Radar Conference (RadarConf). IEEE, 2016. http://dx.doi.org/10.1109/radar.2016.7485186.

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Viteri-Mera, Carlos A., and Fernando L. Teixeira. "Polarimetrie interference-alignment beamforming." In 2016 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting. IEEE, 2016. http://dx.doi.org/10.1109/aps.2016.7695975.

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Veasey, David L., and Donald R. Larson. "Simple polarization-diversity receiver using semiconductor-clad Y-branch glass waveguides." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1993. http://dx.doi.org/10.1364/oam.1993.mvv.3.

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Iqbal, Hasan, Frank Bogelsack, and Christian Waldschmidt. "Polarimetrie RCS analysis of traffic objects." In 2017 European Radar Conference (EURAD). IEEE, 2017. http://dx.doi.org/10.23919/eurad.2017.8249144.

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Longfei, Shi, Liu Qiaoling, Liu Jian, and Pang Chen. "Active calibration technology for polarimetrie radar measurement." In 2017 13th IEEE International Conference on Electronic Measurement & Instruments (ICEMI). IEEE, 2017. http://dx.doi.org/10.1109/icemi.2017.8265883.

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Shi, B. Y., Q. Lu, X. Feng, C. Liu, and Y. Yu. "Imaging LNAPLs contaminated soils by polarimetrie migration." In 2016 16th International Conference on Ground Penetrating Radar (GPR). IEEE, 2016. http://dx.doi.org/10.1109/icgpr.2016.7572672.

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Anderson, Stuart. "Channel characterization for polarimetrie HF skywave radar." In 2016 IEEE Radar Conference (RadarConf16). IEEE, 2016. http://dx.doi.org/10.1109/radar.2016.7485075.

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Mirkovic, Djordje, and Dusan S. Zrnic. "Polarimetrie weather radar calibration by computational electromagnetics." In 2018 International Applied Computational Electromagnetics Society Symposium (ACES). IEEE, 2018. http://dx.doi.org/10.23919/ropaces.2018.8364244.

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Mirkovic, Djordje, and Dusan S. Zrnic. "Polarimetrie calibration using the computational electromagnetics approach." In 2018 IEEE Radar Conference (RadarConf18). IEEE, 2018. http://dx.doi.org/10.1109/radar.2018.8378760.

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Son, Il-Young, and Birsen Yazici. "Passive polarimetrie multistatic radar for ground moving target." In 2016 IEEE Radar Conference (RadarConf16). IEEE, 2016. http://dx.doi.org/10.1109/radar.2016.7485072.

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Reports on the topic "Polarimetrie"

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Charbonneau, F. Compact polarimetric equations under backward scattering alignment convention. Natural Resources Canada/CMSS/Information Management, 2023. http://dx.doi.org/10.4095/331496.

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Inconsistencies in scientific literature related to radar compact polarimetry (CP) has raised issues in analysis tool development and in derived results comparison. These inconsistencies primarily result from confusion between the Forward Scattering Alignment (FSA) and the Backward Scattering Alignment (BSA) conventions. This can lead to the misinterpretation of results when the circular direction of rotation of the transmitted signal is not properly considered. This technical note summarizes and demonstrates the relationships between coherently received wave under a linear or a circular configuration for right circular transmitted signals under the BSA convention. As well, it defines the received Stokes vector, for right circular transmitted signals, in terms of a linear or a circular receiving bases and in terms of fully polarimetric data.
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Barnes, Richard M., and Dennis J. Blejer. Polarimetric SAR Antenna Characterization. Fort Belvoir, VA: Defense Technical Information Center, July 1989. http://dx.doi.org/10.21236/ada213438.

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Brisco, B., R. S. Brown, C. Livingstone, and S. Paterson. Geoscience Applications with Polarimetric SAR. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1996. http://dx.doi.org/10.4095/218357.

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Tajima, Hiroyasu. Gamma-ray Polarimetry. Office of Scientific and Technical Information (OSTI), February 2003. http://dx.doi.org/10.2172/812632.

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Chambers, David H. Polarimetric ISAR: Simulation and image reconstruction. Office of Scientific and Technical Information (OSTI), March 2016. http://dx.doi.org/10.2172/1247281.

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Wittmann, R. C. Polarimetric calibration of reciprocal-antenna radars. Gaithersburg, MD: National Institute of Standards and Technology, 1995. http://dx.doi.org/10.6028/nist.ir.5033.

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Rebeiz, Gabriel M. W-Band Polarimetric Monopulse Tracking Receiver. Fort Belvoir, VA: Defense Technical Information Center, January 2000. http://dx.doi.org/10.21236/ada379069.

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Hawkins, R. K., K. Murnaghan, T. Tennant, M. Yeremy, and M. Rey. Ship Detection Using Airborne Polarimetric SAR. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2001. http://dx.doi.org/10.4095/219806.

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Spinka, H. Note on RHIC Polarimetry. Office of Scientific and Technical Information (OSTI), July 1999. http://dx.doi.org/10.2172/1149861.

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Spinka, H. Note on RHIC polarimetry. Office of Scientific and Technical Information (OSTI), November 1999. http://dx.doi.org/10.2172/750790.

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