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    Beam Propagation in Focusing Media with Random Axis Misalignments: Second-Order And Higher-Order Moments 

    Besieris, Ioannis M. (AIP Publishing, 1978-12-01)
    A novel statistical technique which allows the asymptotic evaluation of second_ and higher_order averaged observables related to the stochastic complex parabolic equation is applied to the problem of beam propagation in a ...
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    On Making Bairstow's Method Work 

    Ault, David A. (Department of Computer Science, Virginia Polytechnic Institute & State University, 1974), CS74003-R
    No abstract available.
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    An Artificial Intelligence Approach to the Symbolic Factorization of Multivariable Polynomials 

    Claybrook, Billy G. (Department of Computer Science, Virginia Polytechnic Institute & State University, 1974), CS74019-R
    A new heuristic factorization scheme that uses learning to improve the efficiency of determining the symbolic factorization of multivariable polynomials with integer coefficients and an arbitrary number of variables and ...
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    Adiabatic Following in Two-Photon Transition 

    Nayfeh, Munir H.; Nayfeh, Ali H. (American Physical Society, 1977-03-01)
    The coherent interaction of two smoothly varying, near-resonant, two-photon pulses with a three-level system can be described by "two-photon damped Bloch equations" which are analogous to those for a one-photon transition ...
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    Compressible Boundary Layers Over Wavy Walls 

    Lekoudis, S. G.; Nayfeh, Ali H.; Saric, W. S. (AIP Publishing, 1976)
    An analysis is presented of compressible viscous flows past wavy walls without restricting the mean flow to be linear in the disturbance layer. Linearization of the compressible disturbance equations results in a system ...
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    Nonparallel Stability of Boundary-Layer Flows 

    Saric, W. S.; Nayfeh, Ali H. (AIP Publishing, 1975)
    The spatial stability of two‐dimensional incompressible boundary‐layer flows is analyzed using the method of multiple scales. The analysis takes into account the streamwise variations of the mean flow, the disturbance ...
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    One-Dimensional Edge Detection and Representation 

    Ehrich, Roger W. (Department of Computer Science, Virginia Polytechnic Institute & State University, 1979), CS79007-R
    One reason no single edge detector has been found that satisfies the requirements of a wide range of image analysis applications is that existing edge detectors often produce unjustifiable interpretations of edge regions ...
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    Principle of Optimal Page Replacement and the LRU Stack Model 

    Lam, Felix L. (Department of Computer Science, Virginia Polytechnic Institute & State University, 1974), CS74023-R
    Program reference strings generated by the LRU stack model are considered, and expressions for the expected times to next reference for all pages occupying different LRU stack positions are derived. Using these expressions, ...
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    Effect of Relaxation on Self-Induced Transparency 

    Nayfeh, Munir H.; Nayfeh, Ali H. (American Physical Society, 1978-09-01)
    We derive an equation of motion of the Bloch-vector tipping angle and the area theorem in the presence of relaxation. We derive relaxation-dependent shifts in the equilibrium nπ areas. Part of these shifts depends on a ...
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    Parallel_plate waveguide with sinusoidally perturbed boundaries 

    Nayfeh, Ali H.; Asfar, Omar R. (American Institute of Physics, 1974)
    The method of multiple scales is used to obtain a uniformly valid asymptotic expansion for the propagation of TM modes on a parallel_plate waveguide with perfectly conducting boundary surfaces that are sinusoidally perturbed ...
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    Content TypeTechnical report (97)Article - Refereed (56)Abstract (5)SubjectAcoustic analysis (5)Acoustic waves (5)Acoustical effects (5)Differential equations (5)Diffusion (5)... View MoreDate Issued1979 (26)1978 (18)1977 (14)1976 (24)1975 (29)1974 (37)1973 (10)AuthorNayfeh, Ali H. (26)Wesselkamper, Thomas C. (15)Nance, Richard E. (11)Lee, John A. N. (10)Besieris, Ioannis M. (6)... View MoreHas File(s)Yes (158)

    If you believe that any material in VTechWorks should be removed, please see our policy and procedure for Requesting that Material be Amended or Removed. All takedown requests will be promptly acknowledged and investigated.

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