Results 71 to 80 of about 324,497 (361)

Group-indexed orthogonal frequency division multiplexing index modulation aided performance trade off

ETRI Journal, 2022
In this study, a novel group-indexed orthogonal frequency division multiplexing index modulation (OFDM-IM) scheme is proposed to achieve a tradeoff between spectral efficiency (SE) and bit-error-rate (BER) performance.
Thomas Wilfred Edison Athisaya Anushya, Thangavelu Laxmikandan, Thirunavukkarasu Manimekalai   +2 more
doaj   +1 more source

Femtosecond‐Laser‐Induced Physical Unclonable Random Maze Structure for Storage‐Free Encryption

Advanced Science, EarlyView.
Femtosecond‐laser‐induced gold random maze structures serve as multimodal physical unclonable functions for storage‐free encryption. Their stochastic optical, electrical, and Raman responses are generated by plasmon‐assisted Marangoni formation and converted into AES‐compatible keys without permanent secret‐key storage, offering a portable route toward
Shiru Jiang, Hongliang Li, Shengjie Ma, Sang‐Shin Lee, Lei Wang, Mengyun Hu, Heping Zeng   +6 more
wiley   +1 more source

Berrings (Measctha)

, 1937
Hidden Treasure / Honohan, Mary -- Traditional Story / Honohan, Mary -- Traditional Story / Herlihy, Nora May O' -- Riddles / White, Kitty -- Riddles / Coakley, Hannah -- Riddles / Kent, Kathleen -- Riddles / Driscoll, Noel O -- Rocking Stone / Driscoll, Daniel O' -- Weather-Lore / Honohan, Mary -- Weather-Lore / Honohan, Mary -- Wakes, Funerals etc ...
Berrings (Meastha), Drisceoil, Domhnall Ó, Honohan, Mary, Herlihy, Nora May O', White, Kitty, Coakley, Hannah, Kent, Kathleen, Driscoll, Noel O, Driscoll, Daniel O', Herlihy, Nora May, White, Julia, Herlihy, Con, Driscoll, D. O, Herlihy, Cornelius, Herlihy, Con O, White, J., Cooney, Mary, Cooney, M., Callaghan, Donal O', Kent, K., Callaghan, Donal   +20 more
openaire   +1 more source

Flow characteristics and regime transitions in fluidization systems of Group C+ particles

AIChE Journal, EarlyView.
Abstract Fine and ultrafine particles are attractive for fluidized bed reactors because their high surface area benefits catalytic processes, but their cohesive nature complicates regime characterization. Nanoparticle modulation improves the flowability of Group C powders, yet their bubbling to turbulent transition remains unclear.
Yue Song, Jiaying Wang, Xiaoyang Wei, Jesse Zhu   +3 more
wiley   +1 more source

Thermally Stable Organic Synaptic Transistors Using a High‐Tg Polymer Electret

Advanced Intelligent Systems, EarlyView.
A high–glass‐transition‐temperature cyclic olefin copolymer (COC) electret enables thermally stable organic synaptic transistors for neuromorphic operation in harsh environments. UV–ozone treatment increases the trap density in COC, providing robust multilevel conductance and key synaptic functions (excitatory postsynaptic current/ inhibitory ...
Hoyoung Cho, Bombi Kim, Kyoungeun Lee, Moohyun Kim, Chaegwang Lim, Yeyun Bae, Jaeyeop Lee, Jiyoon Oh, Hyeok Kim, Jeongkyun Roh   +9 more
wiley   +1 more source

Benefits and Limits of Modulation Formats for Optical Communications

Advances in Electrical and Electronic Engineering, 2014
This paper is focused on benefits and limits of intensity and phase modulation formats used in optical communications. The simulation results are obtained using OptSim software environment, employing Time Domain Split Step method.
Rajdi Agalliu, Michal Lucki
doaj   +1 more source

Adaptive Minimum-BER Linear Multiuser Detection for DS-CDMA Signals in Multipath Channels

, 2001
The problem of constructing adaptive minimum bit error rate (MBER) linear multiuser detectors is considered for direct-sequence code division multiple access (DS-CDMA) signals transmitted through multipath channels.
Mulgrew, B., Hanzo, L., Chen, S., Samingan, A.K.   +3 more
core  

Segmental composition and nerve distribution of the brachial plexus in Galictis cuja

The Anatomical Record, EarlyView.
Abstract Galictis cuja is a neotropical mustelid with terrestrial locomotor habits, yet the anatomy of its brachial plexus has remained undescribed. This study characterizes the origin, organization, and distribution of the brachial plexus nerves in 15 adult specimens (30 antimeres).
Natan da Cruz de Carvalho, Thais Mattos Estruc, Ingrid Bete Palmeira, Julia Fagundes Franco, Emillin Reis Bermudez, Paulo de Souza‐Junior, Marcelo Abidu‐Figueiredo   +6 more
wiley   +1 more source

Precision Chemistry for Protein Lysine Modification

Chemistry – A European Journal, EarlyView.
Selective modification of lysine residues is challenging due to their similar intrinsic reactivity. Inspired by enzymatic recognition, ligand‐guided electrophiles enable site‐selective labeling and functionalization, while ligand‐guided catalyses achieve regioselective installation of bio‐relevant post‐translational modifications.
Mayu Onoda, Motomu Kanai
wiley   +1 more source

Development of an improved acm scheme for mitigating earth-to-space propagation effects

Arid Zone Journal of Engineering, Technology and Environment, 2021
Satellite communication is a promising technology due to its ability to serve very large number of users with high data rate services. The communication link experiences propagation losses such as: Path loss, atmospheric losses, rain fading, ionosphere ...
A. M. S. Tekanyi, R. M. Idris, A. D. Usman, M. Z. Abdullahi, E. E. Agbon   +4 more
doaj