Results 61 to 70 of about 2,760 (289)

Modular Metamaterials for Adaptable MRI Signal Control: Combining Dipole Array With a New Hexagon‐Based Artificial Dielectrics

open access: yesAdvanced Science, EarlyView.
A flexible, hexagonally packed artificial dielectric providing a wide range of effective permittivities (εr ≈ 30–1400) without lumped elements was developed for clinical and ultra‐high‐field MRI. Combined with modular passive‐dipole arrays, the system enables adaptable RF field shaping through electric‐ and magnetic‐dipole tuning.
Santosh Kumar Maurya   +2 more
wiley   +1 more source

Performance of Serial Concatenated Convolutional Code with Dithered Golden Section Channel Interleaver over Frequency Selective Rayleigh Fading Channel

open access: yesJournal of Engineering and Sustainable Development, 2005
Serial concatenated convolutional coding with iterative decoding is examined for data transmission over the downlink of a WCDMA system employing BPSK modulation and coherent Rake receiver.
Raghad Z. AL-Macdici
doaj  

MZI wavelength interleaving filter based on double microring structure

open access: yesJournal of Measurement Science and Instrumentation, 2021
To improve the output characteristics of all-fiber Mach-Zehnder interferometer(MZI)-interleaver, a dual microring-assisted MZI interleaver is designed.
YANG Ziwei   +4 more
doaj  

Interleaved Prange: A New Generic Decoder for Interleaved Codes

open access: yes, 2022
Due to the recent challenges in post-quantum cryptography, several new approaches for code-based cryptography have been proposed. For example, a variant of the McEliece cryptosystem based on interleaved codes was proposed. In order to deem such new settings secure, we first need to understand and analyze the complexity of the underlying problem, in ...
Anmoal Porwal   +5 more
openaire   +3 more sources

Successive packing based interleaver design for turbo codes

open access: yes, 2002
Interleaver is the key component in both turbo encoder and decoder. It has been shown that the good turbo codes performance can be obtained by using pseudo-random interleaver. However, it is difficult to analyze the corresponding pseudo-random algorithms
Shi, Y. Q.   +5 more
core   +1 more source

Single‐Molecule Imaging of Endogenous RNA Using a Miniaturized and Circularly Permuted CRISPR‐Cas13 Degron‐Masking System CDegSR

open access: yesAdvanced Science, EarlyView.
CDegSR, a new tool for imaging RNA at single molecule level in living cells was developed by researchers. Background noise was eliminated by protein engineering and making it degrade when not bound to its target. This allowed individual RNA molecules to be clearly imaged and tracked.
Shipeng Shao, Hongchen Zhang
wiley   +1 more source

Design and Analysis of an all-fiber MZI Interleaver Based on Fiber Ring Resonator

open access: yesMATEC Web of Conferences, 2015
An all-fiber Mach-Zehnder interferometer (MZI) interleaver using one planar 3×3 fiber coupler, one 2×2 fiber coupler and one 8-shaped fiber ring resonator is developed by the new configuration.
Pu Huilan, Lu Huaiwei
doaj   +1 more source

Probabilistic Computing via Gate‐Tunable Random Telegraph Noise

open access: yesAdvanced Science, EarlyView.
Intrinsic random telegraph noise in metal–oxide–semiconductor field‐effect transistors is harnessed to create gate‐tunable probabilistic bits. By modulating carrier‐trapping dynamics, the device produces stochastic binary outputs with a continuous bias‐to‐probability transfer.
Gyungwon Yun   +8 more
wiley   +1 more source

Passive Metasurface Tweezers for Multi‐Scale Orbital Transport and Trapping on Elastic Plates

open access: yesAdvanced Science, EarlyView.
Passive labyrinthine phase encoding converts single‐channel excitation into localized flexural‐wave vortices with programmable orbital angular momentum. The resulting vortex fields enable cross‐scale particle manipulation, including orbital transport, central confinement, and rotational actuation.
Zeyang Bi   +7 more
wiley   +1 more source

Interleaving Gains for Receive Diversity Schemes of Distributed Turbo Codes in Wireless Half–Duplex Relay Channels [PDF]

open access: yesRadioengineering, 2015
This paper proposes the interleaving gain in two different distributed turbo-coding schemes: Distributed Turbo Codes (DTC) and Distributed Multiple Turbo Codes (DMTC) for half-duplex relay system as an extension of our previous work on turbo coding ...
Tamer H. M. Soliman   +2 more
doaj  

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