نتایج جستجو برای: causing spatial aliasing mahdad

تعداد نتایج: 465446  

Journal: :فیزیک زمین و فضا 0
محبوبه رضایی فرح آبادی دانشجوی کارشناسی ارشد ژئوفیزیک، گروه ژئوفیزیک، دانشگاه آزاد اسلامی واحد علوم و تحقیقات، تهران، ایران محمد علی ریاحی دانشیار، گروه فیزیک زمین، مؤسسة ژئوفیزیک دانشگاه تهران، ایران میرستار مشین چی استادیار، گروه ژئوفیزیک، دانشگاه آزاد اسلامی واحد علوم و تحقیقات، تهران، ایران

one of the common problems in reflective seismic records is the existence of coherent linear and random noises which cause covering of the most important parts of reflective signals; therefore, it is necessary to attenuate them by processing methods. several processing techniques have been devised for attenuation of coherent linear noises and linear radon or ?-? transform is a powerful techniqu...

2015
Yuko Sugita Satoshi Watanabe Takahisa Furukawa

Citation: Sugita Y, Watanabe S and Furukawa T (2016) Response: Commentary: " Prdm13 regulates subtype specification of retinal amacrine interneurons and modulates visual sensitivity ". First, on behalf of all of the authors of our paper, we thank Drs. Bowrey and James for their interest in our paper and for giving us their comments on the OKRs (Optokinetic Responses) of Prdm13-deficient (Prdm13...

2008
Sascha Spors

Wave field synthesis (WFS) is a spatial sound reproduction technique that uses a high number of densely placed loudspeakers (secondary sources). This implies a spatial sampling process that may lead to aliasing artifacts. In the past, the spatial aliasing artifacts of WFS have mainly been investigated for the reproduction of monochromatic signals, and hence in the frequency domain. This contrib...

2011
Atanas Boev Robert Bregovic Atanas Gotchev

Multi-view autostereoscopic displays can be considered as a kind of a multirate system due to the construction compromise between the number of different views and spatial resolution adopted for such displays. Images to be visualized on these displays are prone to aliasing errors. Careful antialiasing requires knowledge about the display frequency response, which is determined mainly by the vie...

2005
Sascha Spors

Spatial sound reproduction systems with a large number of loudspeakers are increasingly being used. Wave field synthesis is a reproduction system using a large number of densely placed loudspeakers (loudspeaker array). This implies a spatial sampling process that may lead to aliasing artifacts. This paper derives the spatial aliasing artifacts of linear loudspeaker arrays used for wave field sy...

2006
Étienne Corteel

Wave Field Synthesis (WFS) is a physical based sound reproduction technique. It relies on linear arrays of regularly spaced omnidirectional loudspeakers. A fundamental limitation of WFS is that the synthesis remains correct only up to a corner frequency referred to as spatial aliasing frequency. This paper addresses irregular spacing of loudspeaker array for WFS. Adapted driving functions are d...

2006
Sascha Spors Rudolf Rabenstein

Spatial sound reproduction systems with a high number of loudspeakers are increasingly being used. Wave field synthesis is a reproduction technique using a high number of densely placed loudspeakers (secondary sources). The underlying theory, however, assumes a continuous distribution of secondary sources. Loudspeakers placed at discrete positions imply a spatial sampling process that may lead ...

Journal: :Inf. Process. Lett. 2010
Akash Lal G. Ramalingam

2004
John P. Costella

I describe a new way of constructing a gauge action that eliminates scaling artifacts, by writing the continuum formalism in terms of “gauge links” (Schwinger line integrals) and using the optimal SLAC representation of the lattice derivative. Computational performance can be maintained by implementing the action as a “stochastic” operator, as has been recently implemented in the MILC code for ...

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