Results 101 to 110 of about 149,139 (331)
Computation of Hilbert Transform via Discrete Cosine Transform
Journal of Signal and Information Processing, 2010 Hilbert transform (HT) is an important tool in constructing analytic signals for various purposes, such as envelope and instantaneous frequency analysis, amplitude modulation, shift invariant wavelet analysis and Hilbert-Huang decompo-sition. In this work we introduce a method for computation of HT based on the discrete cosine transform (DCT).
Olkkonen, H. +3 more
openaire +4 more sources
Advanced Science, EarlyView.This study demonstrates a new concept for high‐performance in‐material physical reservoirs (PRs). An intrinsic and cooperative ion–electron state, induced by chemical dedoping in self‐doped poly(3,4‐ethylenedioxythiophene) (S‐PEDOT) nanofilms, enhances the performance of in‐material PRs.
Yuya Ishizaki‐Betchaku +10 more
wiley +1 more source
Advanced Science, EarlyView.This work presents a dispersive full‐channel Jones matrix modulation strategy using single‐layer metasurface. By synergizing wavelength dispersion engineering with elliptical polarization bases, independent control of four Jones matrix channels is achieved across multiple wavelengths.
Hairong He +10 more
wiley +1 more source
Rapid Design and Fabrication of Body Conformable Surfaces with Kirigami Cutting and Machine Learning
Advanced Science, EarlyView.By integrating the principles of kirigami cutting and data‐driven modeling, this study aims to develop a personalized, rapid, and low‐cost design and fabrication pipeline for creating body‐conformable surfaces around the knee joint. This pipeline presents a balanced trade‐off between conformability performance and cost for personalizing wearables, thus
Jyotshna Bali +3 more
wiley +1 more source
MathematicsTransformer has emerged as one of the modern neural networks that has been applied in numerous applications. However, transformers’ large and deep architecture makes them computationally and memory-intensive.
Euis Asriani +2 more
doaj +1 more source
Morphological Transform for Image Compression
EURASIP Journal on Advances in Signal Processing, 2008 A new method for image compression based on morphological associative memories (MAMs) is presented. We used the MAM to implement a new image transform and applied it at the transformation stage of image coding ...
Luis Pastor Sanchez Fernandez +3 more
doaj +1 more source
Signal Flow Graph Approach to Efficient DST I-IV Algorithms [PDF]
, 2016 In this paper, fast and efficient discrete sine transformation (DST) algorithms are presented based on the factorization of sparse, scaled orthogonal, rotation, rotation-reflection, and butterfly matrices.
Perera, Sirani M.
core +2 more sources
Advanced Electronic Materials, EarlyView.This paper reviews the physics of liquid metals in RF devices, including the influence of mechanical strain on resonance as well as fabrication methods and strategies for designing tunable and strain‐tolerant inductors, capacitors, and antennas.
Md Saifur Rahman, William J. Scheideler
wiley +1 more source
3D investigation and modeling of the geometric effects on porosity in packed beds
AIChE Journal, EarlyView.Abstract In porous beds, physical boundaries restrict particle arrangement, leading to inhomogeneous porosity. This paper reports on the porosity profiles that are the result of geometric effects on monodisperse packed beds in cylindrical and cubic arrangements. Special focus is given to the influence of edges and corners in cubic geometries.
Bastian Oldach +3 more
wiley +1 more source
Secure image transmission through LTE wireless communications systems
EURASIP Journal on Image and Video ProcessingSecure transmission of images over wireless communications systems can be done using RSA, the most known and efficient cryptographic algorithm, and OFDMA, the most preferred signal processing choice in wireless communications.
Farouk Abduh Kamil Al-Fahaidy +3 more
doaj +1 more source