Spatial Aliasing and Filtering on the sphere
CiteSeerX — On spatial aliasing in microphone arrays
... a spatial sinusoid from a set of discrete samples, the spatial sampling must occur at a rate greater than a half of the wavelength of the ...this spatial Nyquist ...the spatial ...
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FPGA Implementation of Sphere Detector for Spatial Multiplexing MIMO System
... Successive Interf erence Cancellation(SIC) : SIC uses decision feedback detection to detect symbols successively, where it detects the most reliable symbol of the transmitted vector and use it to improve the detection of ...
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Models for Spatial Point Processes on the Sphere
... a spatial point process on a ...develop spatial point process models on a sphere in the exponential family model ...the spatial covariates as well as crater ...
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Spatial aliasing for efficient direction of arrival estimation based on steering vector reconstruction
... with spatial aliasing at hand is ...this spatial aliasing, mirror angles mathematically relating to the true DOAs are generated, based on which the full spectral search involved in the MUSIC ...
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Synchronous Pendulums and Aliasing
... An example of aliasing occurs when taking pictures of an object with periodic structure. A camera sensor has arrays of tiny pixels, but if it is not at least twice as dense as the periodic structure of the object ...
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Anti- Aliasing Onboard Intelligence Channel Architecture Anti- Aliasing System Integration
... digital filtering and decimation to eliminate any aliases below the stopband of the analog fil- ters, and the hardware design delivers simultaneous streams of filtered data at ...
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Spatial aliasing and distortion of energy distribution in the wave vector domain under multi-spacecraft measurements
... the spatial domain results in a periodic pattern of spectra in the wave vector ...called spatial aliasing, and it is of particular importance for multi- spacecraft measurements in ...of ...
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Spatial Filtering of Sound Beams by Sonic Crystals
... The spatial filtering mechanism in SCs is easily understandable in the case when the propagation eigenmodes (the Bloch modes) of the sound field display angular band- ...The spatial and the angular ...
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Spatial-Temporal Models for Processes on the Sphere and their Application in Climate Problem
... A SPHERE ∗ ...a sphere and their natural distance metric is great circle ...a sphere with great circle distance is scarce, since it is mathematically ...a sphere, which requires the use of ...
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Optical Line Width Measurement Using Spatial Filtering
... This Thesis is brought to you for free and open access by the Thesis/Dissertation Collections at RIT Scholar Works. It has been accepted for inclusion in Theses by an authorized administrator of RIT Scholar Works. For ...
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Generation of sinusoidal test images by incoherent spatial filtering
... This Thesis is brought to you for free and open access by the Thesis/Dissertation Collections at RIT Scholar Works. It has been accepted for inclusion in Theses by an authorized administrator of RIT Scholar Works. For ...
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Nonlinear Optical Spatial Filtering for Medical Image Processing
... different spatial frequency bands of the Fourier spectrum of the image. The spatial frequency distribution at the Fourier plane can be characterized into different intensity bands – low spatial ...
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X-Ray Lung Image Enhancement by Spatial Filtering
... Fig1. Enhancement Technique Since subtle details of image plays a crucial role in diagnosis and treatment of diseases. The effectiveness can be evaluated by comparing before and after results. In this paper lung images ...
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Evaluation of Spatial Filtering Techniques in Retinal Fundus Images
... Filtering is a technique for modifying or enhancing an image via smoothing, sharping and deblurring. For example, you can filter an image to emphasize certain features or remove other features. Image processing ...
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Comparison of spatial scan statistic and spatial filtering in estimating low birth weight clusters
... Second, Spatial filtering clusters appear to cover much more geographic area han did SaTScan ...tial filtering does ...a spatial cluster does not mean that one has to pre-specify the size of a ...
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Comparison of spatial scan statistic and spatial filtering in estimating low birth weight clusters
... Second, Spatial filtering clusters appear to cover much more geographic area han did SaTScan ...tial filtering does ...a spatial cluster does not mean that one has to pre-specify the size of a ...
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Low Complexity Sphere Decoding for V-BLAST Spatial Multiplexing MIMO
... Keywords:- MIMO SM, V-BLAST, ZF, ML, MMSE, SD. I. I NTRODUCTION In present scenario with advancement in the field of communication, wireless system requires significantly higher spectral efficiency (i.e., higher ...
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2. Spectral Aliasing in Convolutional Networks
... prevent aliasing? It is plausible that anti-aliasing filters can be learned by ex- isting, trainable filters of convolutional networks if provided with sufficient spatial ...their spatial ...
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The synthesis of spatial filtering algorithm with a constant level of useful signal
... We consider theoretical foundations of digital beamforming algorithms such as the recursive Kalman filtering algorithm and the recursive least squares algorithm based on the QR decompo- sition (QR-RLS)[2]. On the ...
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Survey on Color Image Enhancement Techniques using Spatial Filtering
... of spatial domain methods, we can directly deal with image ...of spatial domain methods are that they conceptually simple to understand and the complexity of these techniques are low which favor for real ...
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