random phase
A Novel Image Encryption Scheme Based on Single Random Phase Encoding and Chaos
... Due to the rapid development of the Internet and modern communication techniques, more and more images are transmitted via the open networks. How to secure the transmission of images has become a serious problem to be ...
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Utilization of Double Random Phase Encoding for Securing Color Images
... Double Random Phase Encoding (DRPE) implementation in encrypting color digital ...the random phase mask (RPM) and transformed with Fourier Transform ...
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The random phase property and the Lyapunov Spectrum for disordered multi channel systems
... and (R2) can be proved by the techniques of [SB1, Proposition 3] and [SB2, Lemma 7], with error estimates which are not optimal though. Item (R3) is the central piece of the random phase property. It ...
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Multi-Reference Pseudo-Random Phase-Encoded Joint Transfrom Correlation
... a phase encoded JTC system that employs Pseudo-random phase masks to encode multiple reference images in a JTC ...The phase masks are generated using maximal length sequences (M-sequences), ...
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About Statistical Moments of Scattered Laser Radiation from Random Phase Screen
... – Phase Modulated, FM – Frequency Modulated), in particular, via ...the phase modulator from the digital generator, which manages the impulses with random ...as random phase screen ...
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Validation of the -filtering technique for a signal composed of random-phase plane waves and non-random coherent structures
... The phase term φ is randomised between ± 2π in each wave pe- riod in the case of a random-phase plane ...the phase and not a continuous variation as a function of time φ (t ...the phase ...
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Performance Based Seismic Response Using Random Phase Acceleration Time Histories
... single random phase input time history compares very well to that of the mean response from 15 real, modified input time ...the phase of the transfer function for the ...
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Effects of random phase and amplitude errors in optical fiber Bragg gratings
... In this paper, we have studied the effects of random phase and amplitude errors in the performance of optical filters based on fiber Bragg gratings.. The amount of random phase errors in[r] ...
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Optical image encryption using gamma distribution phase masks in the gyrator domain
... independent random phase keys (PRKs), which one in the input plane and another in the Fourier plane for encryption amplitude ...tude, phase, wavelength, and ...
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Multi-spectral random illumination using a liquid crystal spatial light modulator
... of random phase illumination by an SLM has been used in many applications such as phase retrieval [1] and microscopic imaging [2, ...generate random ampli- tude patterns. As the device only ...
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Bubbles and crashes in finance: A phase transition from random to deterministic behaviour in prices
... We develop a rational expectations model of financial bubbles and study ways in which a generic risk-return interplay is incorporated into prices. We retain the interpretation of the leading Johansen-Ledoit-Sornette ...
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The role of rasagiline in the treatment of Parkinson’s disease
... first phase, drug-naïve patients are random- ized to receive active treatment or placebo for a fixed time ...second phase, patients taking the placebo drug are switched to the study drug so that ...
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A Flash-Aware Buffering Scheme with the On-the-Fly Redo for Efficient Data Management in Flash Storage
... redo phase is significantly ...redo phase accounts for a large portion of the total recovery ...undo phase, thereby shortening the recovery ...
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Chimpanzees, bonobos and children successfully coordinate in conflict situations
... The control variables were sex of the dyad, session, trial, phase and choices as fixed effects; subject, partner, dyad and trial id as random effects and the random slopes... Sex Trial S[r] ...
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Estimation of Population Variance in Two-Phase Sampling in Presence of Random Non-Response
... at random (MAR), observed at random (OAR), and parameter distribution ...of random non-response (MAR) advocated by Tracy and Osahan (1994) when (i) random non-response on both the study and ...
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Meta analysis of randomized phase II trials to inform subsequent phase III decisions
... multiple Phase II randomized trials exist then meta-analysis is favorable to increase statistical power and summarize the existing evidence about an intervention's effect in order to help inform Phase III ...
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Phase state Low Electron number Drive Random Access Memory (PLEDM)
... voltage difference on the memory node between high and low memory states, V H -V L , can be larger than the writing voltage difference, 1.5V in this case, because of the change of memory node capacitance between ...
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Phase singularities in isotropic random waves
... isotropically random Gaussian ensembles, that is, superpositions of plane waves equidistributed in direction but with random ...of phase lines close to dislocation cores; distribution of curvature of ...
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Application of phase decomposition to the analysis of random time series from wave basin tests
... whether phase manipula- tion can be used to extract ‘slave’ harmonics from random time- series extending its existing application to ...in random wave tests are typically not sufficient to invalidate ...
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Inxsey alloy thin films for phase change random access memory (pram) applications
... for non-volatile semiconductor memory is increasing. Currently Flash memory (NAND type) with a number of practical problems like scaling difficulties as chip lithography shrinks is the only available non-volatile memory ...
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