نتایج جستجو برای: coherent frame
تعداد نتایج: 158412 فیلتر نتایج به سال:
Functional neuroimaging in human subjects and single cell recordings in monkeys show that several extra-striate visual areas are activated by visual motion. However, the extent to which different types of motion are processed in different regions remains unclear, although neuropsychological studies of patients with circumscribed lesions hint at regional specialization. We, therefore, studied fo...
We examine various properties of double field theory and the doubled string sigma model in context geometric quantisation. In particular we look at T-duality as symplectic transformation related to an alternative choice polarisation construction quantum bundle for string. Following this perspective adopt a variety techniques from quantisation study space. One application is coherent state that ...
This paper presents a new approach for the enhancement of Synthetic Radar Imagery using Discrete Wavelet Transform and its variants. Some of the approaches like nonlocal filtering (NLF) techniques, and multiscale iterative reconstruction (e.g., the BM3D method) do not solve the RE/SR imaging inverse problems in descriptive settings imposing some structured regularization constraints and exploit...
The main subject of this paper is the embedding of fuzzy set theory—and related concepts—in a coherent conditional probability scenario. This allows to deal with perception-based information—in the sense of Zadeh—and with a rigorous treatment of the concept of likelihood, dealing also with its role in statistical inference. A coherent conditional probability is looked on as a general non-additi...
We present a frame-invariant method for detecting coherent structures from Lagrangian flow trajectories that can be sparse in number, as is the case in many fluid mechanics applications of practical interest. The method, based on principles used in graph colouring and spectral graph drawing algorithms, examines a measure of the kinematic dissimilarity of all pairs of fluid trajectories, measure...
In the present study, a modified Structure Function was introduced. In this modified Structure Function model, the coefficient of model was computed dynamically base on the coherent structure in the flow field. The ability of this Modified Structure Function was investigated for complex flow over a square cylinder in free stream and a low aspect ratio cylinder confined in a channel. The Results...
We present a frame-invariant method for detecting coherent structures from Lagrangian flow trajectories that can be sparse in number, as is the case in many fluid mechanics applications of practical interest. The method, based on principles used in graph coloring and spectral graph drawing algorithms, examines a measure of the kinematic dissimilarity of all pairs of fluid trajectories, either m...
A novel high speed OFDM based underwater modem with phase coherent modulation has been proposed for video communications. The key to achieve this objective is passband sampling, which enables us to perform coherent detection with precise control over the carrier phase by using digital carriers. Currently commercially available long-range underwater mo-dems provide a maximum data rate of 38 kbps...
A still widely debated question in the field of relativistic quantum information is whether entanglement and degree violation Bell's inequalities for massive particles are frame independent or not. At core this effect that spin gets entangled with momentum freedom at velocities. Here, we show a pair can be maximally violated special-relativistic regime, even without any postselection particles....
Frequency modulation coherent anti-Stokes Raman scattering (FM CARS) is presented, using a compact as well fast and widely tunable fiber-based light source. With this source resonances between 700 cm$^{-1}$ 3200 can be addressed via wavelength tuning within only 5 ms, which allows for FM CARS measurements with frame-to-frame switching. Moreover, the functionality high-sensitivity was integrated...
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