North Atlantic Treaty Organization

Adaptive Optics for Astronomy: Proceedings of the Nato Advanced Study Institute, Cargese, Corse, France, June 29-july 9, 1993 - Nato Science Series C North Atlantic Treaty Organization

Marc Notes: Published in cooperation with NATO Scientific Affairs Division.; Proceedings of the NATO Advanced Study Institute on Adaptive Optics for Astronomy, Cargese, Corse, France June 29-July 9, 1993--T.p. verso.; Includes bibliographical references and index. Table of Contents: Preface. Part I: The Problematics of Adaptive Optics. Introduction to Wave Optics; C. A. Haniff. Atmospheric Turbulence Optical Effects: Understanding the Adaptive Optics Implications; D. L. Fried. Atmospheric Adaptive Optics Applications; V. P. Lukin. Modelling Atmospheric Turbulence Effects on Ground-Based Telescope Systems; L. W. Bradford, S. M. Flatte, C. E. Max. Servo-Loop Analysis for Adaptive Optics; M. Demerle, P. Y. Madec, G. Rousset. The Problematics of Adaptive Optics Design; F. Roddier. Part II: Critical Components and Systems. Wavefront Sensing; G. Rousset. Optimization of Wavefront Sensors for the Highest Accuracy and Sensitivity; J. R. P. Angel. Deformable Mirrors; E. N. Ribak. Astronomical Reference Sources; F. Rigaut. Sodium-Layer Laser Guide Stars; H. W. Friedman. Synthetic Beacons for Atmospheric Compensation; D. P. Greenwood, R. R. Parenti. Sodium Beacon Used for Adaptive Optics on the Multiple Mirror Telescope; B. J. Carter, et al. Evaluating the Performance of Adaptive Optical Telescopes; B. M. Welsh, M. C. Roggemann. Integrated Adaptive Optics Systems; E. H. Richardson. Stray Radiation Issues in Astronomical Systems with Adaptive Optics; S. M. Pompea. Active Compensation of Global Wavefront Tilts; E. Ballesteros, T. Viera, F. Lorenzo, M. Reyes, J. A. Bonet, C. Martin. Part III: Astrophysics with Adaptive Optics. The Impact of Adaptive Optics on Focal Plane Instrumentation; S. T. Ridgway. Prospects for Alternative Approaches to Adaptive Optics; A. H. Greenaway. Adaptive Optics for Long Baseline Optical Interferometry; J.-M. Mariotti. Astrophysics with Adaptive Optics: Results and Challenges; P. Lena. Index."Publisher Marketing: This volume contains papers from the proceedings of the conference on Adaptive Optics for Astronomy. Divided into three main parts, topics covered include: the problematics of adaptive optics; critical components and systems; and astrophysics with adaptive optics."

Contributor Bio:  North Atlantic Treaty Organization Dedication. Preface. Acknowledgments. Clifford Geometric Algebras in Multilinear Algebra and Non-Euclidean Geometries.- Geometric algebra Projective Geometries; Affine and other geometries; Affine Geometry of pseudo-euclidean space; Conformal Geometry and the Horosphere; References. Content-Based Information Retrieval by Group Theoretical Methods.- Introduction; Motivating Examples; General Concept; Fault Tolerance.- Applications, Prototypes, and Test Results; Related Work and Future Research; References.- Four Problems in Radar.-Introduction; Radar Fundamentals; Radar Waveforms; Signal Processing; Space-Time Adaptive Processing; Four Problems in Radar; Conclusions. Introduction to Generalized Classical and Quantum Signal and System Theories on Groups and Hypergroups.-Generalized classical signal/system theory on hypergroups; Generalized quantum signal/system theory on hypergroups; Conclusion; References. Lie Groups and Lie Algebras in Robotics.- Introduction -- Rigid Body Motions; Lie Groups; Finite Screw Motions; Mechanical Joints; Invisible Motion and Gripping; Forward Kinematics; Lie Algebra; The Adjoint Representation; The Exponential Map Derivatives of Exponentials; Jacobians; Concluding Remarks; References. Quantum/Classical Interface: a Geometric Approach from the Classical Side.- Introduction Paravector Space as Spacetime; Eigenspinors; Spin; Dirac Equation; Bell's Theorem; Qubits and Entanglement; Conclusions; References. PONS, Reed-Muller Codes, and Group Algebras.- Introduction; Analytic Theory of One-Dimensional PONS (Welti); Shapiro Sequences, Reed-Muller Codes, and Functional Equations; Group Algebras; Reformulation of Classical PONS; Group Algebra of Classical PONS; GroupAlgebra Convolution; Splitting Sequences; Historical Appendix on PONS; References. Clifford Algebras as a Unified Language.- Introduction; Clifford algebras as models of physical spaces; Clifford Algebras as Models of Perceptual Multicolor Spaces; Hypercomplex-Valued invariants of nD multicolor images; Conclusions; Acknowledgments; References. Recent Progress and Applications in Group FFTs.-Introduction; Finite group FFTs; FFTs for compact groups; Noncompact groups; References. Group Filters and Image Processing.- Introduction: Classical Digital Signal Processing; Abelian Group DSP; Nonabelian Groups; Examples; Group Transforms; Group Filters; Line-like Images; Acknowledgments; References. A Geometric Algebra Approach to Some Problems of Robot Vision.- Introduction; Local Analysis of Multi-dimensional Signals; Knowledge Based Neural Computing; Acknowledgments; References. Group Theory in Radar and Signal Processing.- Introduction; How a Radar Works; Representations; Representations and Radar; Ambiguity Functions; The Wide Band Case; References. Geometry of Paravector Space with Applications to Relativistic Physics.- Clifford Algebras in Physics; Paravector Space as Spacetime; Interpretation; Eigenspinors; Maxwell's Equation; Conclusions; References. A Unified Approach to Fourier-Clifford-Prometheus Transforms- Introduction; New construction of classical and multiparametric Prometheus transforms; PONS associated with Abelian groups; Fast Fourier-Prometheus Transforms; Conclusions; Acknowledgments; References. Fast Color Wavelet Transforms.- Introduction; Color images; Color Wavelet-Haar-Prometheus transforms; Edge detection and compression of color images; Conclusion; Acknowledgments; References. Selected Problems; Various Authors.- Transformations of Euclidean Space and Clifford Geometric; Algebra; References; On the Distribution of Kloosterman Sums on Polynomials over Quaternions; References; Harmonic Sliding Analysis Problems; References; Spectral Analysis under Conditions of Uncertainty; A Canonical Basis for Maximal Tori of the Reductive Centrizer of a Nilpotent Element; References; 6 The Quantum Chaos Conjecture References; Four Problems in Radar; Topic Index; Author Index