Search Results - "Chronopoulos, Spyridon"

Flexible and Reconfigurable OFDM Implementation in DSP Platform for Various Purposes and Applications by Chronopoulos, Spyridon K

“…In the modern technological era of sophisticated applications and high-quality communications, a platform of clever strategy and quickly updated systems is…”
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New Results for the Error Rate Performance of LoRa Systems over Fading Channels by Peppas, Kostas, Chronopoulos, Spyridon K, Loukatos, Dimitrios, Arvanitis, Konstantinos

“…Long Range (LoRa) systems have recently attracted significant attention within the research community as well as for commercial use due to their ability to…”
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A Frequency-Selective Reconfigurable Antenna for Wireless Applications in the S and C Bands by Sakkas, Alexandros, Oikonomou, Vasilis, Mystridis, Giorgos, Christofilakis, Vasilis, Tatsis, Giorgos, Baldoumas, Giorgos, Tritiakis, Vasilis, Chronopoulos, Spyridon K.

“…This paper presents a compact multifrequency reconfigurable patch antenna in terms of design and fabrication for operating in the S and C bands of the RF…”
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ROC Analysis Cut-off Points of Hellenic Voice Handicap Index for Neurogenic Voice Disorders Patients: an Exploratory Study by Tafiadis, Dionysios, Helidoni, Meropi E., Chronopoulos, Spyridon K., Kosma, Evangelia I., Alexandropoulou, Anna, Velegrakis, Stylianos, Konitsiotis, Spyridon, Ziavra, Nafsika

“…The inclusion of subjective methods for evaluating Voice Disorders is proven an essential factor for diagnosis as these methods include self-reported…”
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Earth-to-Earth Microwave Rain Attenuation Measurements: A Survey On the Recent Literature by Christofilakis, Vasilis, Tatsis, Giorgos, Chronopoulos, Spyridon, Sakkas, Alexandros, Skrivanos, Anastasios, Peppas, Kostas, Nistazakis, Hector, Baldoumas, Giorgos, Kostarakis, Panos

“…Many works have been conducted relevant to rainfall measurements, while the first relevant ones were based on the power loss estimation function from wireless…”
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Extremely Low Frequency (ELF) Electromagnetic Signals as a Possible Precursory Warning of Incoming Seismic Activity by Tritakis, Vasilis, Mlynarczyk, Janusz, Contopoulos, Ioannis, Kubisz, Jerzy, Christofilakis, Vasilis, Tatsis, Giorgos, Chronopoulos, Spyridon K., Repapis, Christos

“…We analyzed a large number (77) of low-to-medium-magnitude earthquakes (M3.5–M6.5) that occurred within a period of three years (2020–2022) in the Southern…”
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Checking for voice disorders without clinical intervention: The Greek and global VHI thresholds for voice disordered patients by Tafiadis, Dionysios, Chronopoulos, Spyridon K., Helidoni, Meropi E., Kosma, Evangelia I., Voniati, Louiza, Papadopoulos, Periklis, Murry, Thomas, Ziavra, Nafsika, Velegrakis, George A.

“…Voice disorders often remain undiagnosed. Many self-perceived questionnaires exist for various medical conditions. Here, we used the Greek Voice Handicap Index…”
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Performance of Turbo Coded OFDM Under the Presence of Various Noise Types by Chronopoulos, Spyridon K., Christofilakis, Vasilis, Tatsis, Giorgos, Kostarakis, Panos

“…A telecommunication system uses carriers in order to transmit information through a cable or wirelessly. If each time only one carrier is transmitted, then the…”
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A rain estimation model based on microwave signal attenuation measurements in the city of Ioannina, Greece by Christofilakis, Vasilis, Tatsis, Giorgos, Lolis, Christos J., Chronopoulos, Spyridon K., Kostarakis, Panos, Bartzokas, Aristides, Nistazakis, Hector E.

“…Rain monitoring through signal attenuation has been a significant concern for the scientific community over the last decade. The lowest L‐, S‐ and C‐bands in…”
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Voice Handicap Index and Interpretation of the Cutoff Points Using Receiver Operating Characteristic Curve as Screening for Young Adult Female Smokers by Tafiadis, Dionysios, Kosma, Evangelia I, Chronopoulos, Spyridon K, Papadopoulos, Aggelos, Drosos, Konstantinos, Siafaka, Vassiliki, Toki, Eugenia I, Ziavra, Nausica

“…Summary The relationship between smoking and alterations of the vocal tract and larynx is well known. This pathology leads to the degradation of voice…”
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Using Receiver Operating Characteristic Curve to Define the Cutoff Points of Voice Handicap Index Applied to Young Adult Male Smokers by Tafiadis, Dionysios, Chronopoulos, Spyridon K., Kosma, Evangelia I., Voniati, Louiza, Raptis, Vasilis, Siafaka, Vasiliki, Ziavra, Nausica

“…Voice performance is an inextricable key factor of everyday life. Obviously, the deterioration of voice quality can cause various problems to human…”
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Cross-cultural Adaptation and Validation of the Greek Voice Handicap Index-10 (GVHI-10) With Additional Receiver Operating Characteristic Analysis by Tafiadis, Dionysios, Helidoni, Meropi E., Chronopoulos, Spyridon K., Kosma, Evangelia I., Ziavra, Nafsika, Velegrakis, George A.

“…The use of subjective evaluation tools are proven useful and of high clinical value in the case of voice disordered population. For that type of evaluation,…”
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A new portable ELF Schumann resonance receiver: design and detailed analysis of the antenna and the analog front-end by Votis, Constantinos I., Tatsis, Giorgos, Christofilakis, Vasilis, Chronopoulos, Spyridon K., Kostarakis, Panos, Tritakis, Vasilis, Repapis, Christos

“…Schumann resonance oscillation detection is a complex procedure which requires customized and high-quality measurement systems. The primary objective of this…”
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The Hellenic Voice Handicap Index of Different Laryngeal Mass Lesions: A Receiver-Operating Characteristic Analysis by Tafiadis, Dionysios, Helidoni, Meropi E., Chronopoulos, Spyridon K., Kosma, Evangelia I., Alexandropoulou, Anna, Ziavra, Nafsika, Velegrakis, George A.

“…Voice disorders influence the quality of people's life. When the type of disorder is determined then the clinicians are capable of finding their patients’…”
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Comparison of Voice Handicap Index Scores Between Female Students of Speech Therapy and Other Health Professions by Tafiadis, Dionysios, Chronopoulos, Spyridon K, Siafaka, Vassiliki, Drosos, Konstantinos, Kosma, Evangelia I, Toki, Eugenia I, Ziavra, Nausica

“…Summary Students' groups (eg, teachers, speech language pathologists) are presumably at risk of developing a voice disorder due to misuse of their voice, which…”
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Attack Detection for Healthcare Monitoring Systems Using Mechanical Learning in Virtual Private Networks over Optical Transport Layer Architecture by Liagkou, Vasiliki, Kavvadas, Vasileios, Chronopoulos, Spyridon K., Tafiadis, Dionysios, Christofilakis, Vasilis, Peppas, Kostas P.

“…Data security plays a crucial role in healthcare monitoring systems, since critical patient information is transacted over the Internet, especially through…”
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Acoustic and Perceived Measurements Certifying Tango as Voice Treatment Method by Tafiadis, Dionysios, Kosma, Evangelia I., Chronopoulos, Spyridon K., Papadopoulos, Aggelos, Toki, Eugenia I., Vassiliki, Siafaka, Ziavra, Nausica

“…Voice disorders are affecting everyday life in many levels, and their prevalence has been studied extensively in certain and general populations. Notably,…”
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Quantum Signal Analysis combined to Artificial Intelligence and Green Sustainability: A Protocol of Feasible Rules by Michopoulos, Dimosthenis K., Chronopoulos, Spyridon K., Papadopoulos, Periklis, Arvanitis, Konstantinos, Peppas, Kostas P.

“…The purpose of this paper is to mention the overall scientific needs and provocation of the Quantum Theory, but also the stages that led to its formation…”
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Home Healthcare Technologies and Services: HeartRate Fetus Monitoring System Using an MCU ESP8266 Node by Skrivanos, Anastasios G., Chronopoulos, Spyridon K., Kosma, Evangelia I., Kouretas, Ioannis, Peppas, Kostas P.

“…In this paper, a preliminary implementation of a system monitoring the fetus's heart rate (FHR) has been designed and implemented as a mobile wearable…”
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Preliminary Auditory-Perceptual Evaluation of Resonance for Implementation in an Artificial Intelligence System by Tafiadis, Dionysios, Chronopoulos, Spyridon K., Kosma, Evangelia I., Voniati, Louiza, Drosos, Konstantinos, Peppas, Kostas P., Kastanioudaki, Polyniki, Ziavra, Nafsika

“…Artificial Intelligence and machine learning become more and more crucial for participating in the role of digital entities in various projects. One of these…”
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