Results 31 to 40 of about 133,279 (323)

A Robust Real-Time Automatic Recognition Prototype for Maritime Optical Morse-Based Communication Employing Modified Clustering Algorithm

open access: yesApplied Sciences, 2020
In maritime communications, the ubiquitous Morse lamp on ships plays a significant role as one of the most common backups to radio or satellites just in case.
Xiaozheng Wang   +4 more
doaj   +1 more source

DeepMorse: A Deep Convolutional Learning Method for Blind Morse Signal Detection in Wideband Wireless Spectrum

open access: yesIEEE Access, 2019
With the recent advances in wireless technologies, high frequency radio has become the primary medium for long-distance communication. Among various types of modulation in signal transmission, morse code stands out due to its simplicity and efficiency in
Ye Yuan   +3 more
doaj   +1 more source

Transition From Sublexical to Lexico-Semantic Stimulus Processing

open access: yesFrontiers in Systems Neuroscience, 2020
Resembling letter-by-letter translation, Morse code can be used to investigate various linguistic components by slowing down the cognitive process of language decoding.
Frederick Benjamin Junker   +10 more
doaj   +1 more source

Signal Modulation Recognition System Based on Different Signal Noise Rate Using Artificial Intelligent Approach

open access: yesJournal of Studies in Science and Engineering, 2022
Everyone has paid much attention to modulation-type recognition in the past few years. There are many ways to find the modulation type, but only a few good ways to deal with signals with a lot of noise.
Rasool F. Jader   +2 more
doaj   +1 more source

Application of the Segmented Correlation Technology in Seismic Communication with Morse Code

open access: yesApplied Sciences, 2021
Seismic communication might promise to revolutionize the theory of seismic waves. However, one of the greatest challenges to its widespread adoption is the difficulty of signal extraction because the seismic waves in the vibration environments, such as ...
Yuanjie Jiang   +6 more
doaj   +1 more source

Prefix Codes: Equiprobable Words, Unequal Letter Costs [PDF]

open access: yes, 1996
Describes a near-linear-time algorithm for a variant of Huffman coding, in which the letters may have non-uniform lengths (as in Morse code), but with the restriction that each word to be encoded has equal probability.
Knuth Donald E.   +2 more
core   +6 more sources

Wireless Home Assistive System for Severely Disabled People

open access: yesApplied Sciences, 2020
A lot of people with severe disabilities such as amyotrophic lateral sclerosis, motor neuron diseases, cerebral palsy, stroke, and spinal cord injury with intubation always have different degrees of communication problems. Therefore, it is very important
Chung-Min Wu   +3 more
doaj   +1 more source

BETWEEN DARKNESS AND SILENCE: THE RELATIONSHIP BETWEEN TICS AND DEAF-BLIND USING THE MORSE CODE TOOL

open access: yesPolítica e Gestão Educacional, 2017
Based on the assumption that in the contemporaneity Information and Communication Technologies (ICTs) have assumed a primordial function to the access of knowledge, it is necessary to think and reflect how these technologies can be treated to enhance the
Calixto Júnior de Souza   +1 more
doaj   +1 more source

Wide range zero-thermal-quenching ultralong phosphorescence from zero-dimensional metal halide hybrids

open access: yesNature Communications, 2020
Molecular luminescence is generally significantly quenched at high temperature. Here the authors report a zero-dimensional metal halide hybrid that exhibits zero-thermal-quenching ultralong phosphorescence over a wide temperature range of 220 K, and ...
Shuya Liu   +3 more
doaj   +1 more source

Can dermoscopy serve as a diagnostic tool in dermatophytosis? A pilot study

open access: yesIndian Dermatology Online Journal, 2019
Background: Dermoscopy has been shown to be a useful tool in assisting the noninvasive diagnosis of various general dermatological disorders. Aim: The purpose of the study was to describe the dermoscopic findings in various dermatophytosis. Materials and
Yasmeen Jabeen Bhat   +4 more
doaj   +1 more source

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