Results 41 to 50 of about 693,064 (193)

Analog vs. Digital Spatial Transforms: A Throughput, Power, and Area Comparison [PDF]

open access: yes, 2020
Spatial linear transforms that process multiple parallel analog signals to simplify downstream signal processing find widespread use in multi-antenna communication systems, machine learning inference, data compression, audio and ultrasound applications, among many others.
arxiv   +1 more source

Validation of IMU-based gait event detection during curved walking and turning in older adults and Parkinson’s Disease patients

open access: yesJournal of NeuroEngineering and Rehabilitation, 2021
Background Identification of individual gait events is essential for clinical gait analysis, because it can be used for diagnostic purposes or tracking disease progression in neurological diseases such as Parkinson’s disease.
Robbin Romijnders   +5 more
doaj   +1 more source

An Adaptive Source-Channel Coding with Feedback for Progressive Transmission of Medical Images

open access: yesInternational Journal of Telemedicine and Applications, 2009
A novel adaptive source-channel coding with feedback for progressive transmission of medical images is proposed here. In the source coding part, the transmission starts from the region of interest (RoI).
Jen-Lung Lo   +2 more
doaj   +1 more source

An Event Recognition Method for Φ-OTDR Sensing System Based on Deep Learning

open access: yesSensors, 2019
Phase-sensitive optical time domain reflectometer (Φ-OTDR) based distributed optical fiber sensing system has been widely used in many fields such as long range pipeline pre-warning, perimeter security and structure health monitoring.
Yi Shi, Yuanye Wang, Lei Zhao, Zhun Fan
doaj   +1 more source

Processing Chain for Localization of Magnetoelectric Sensors in Real Time

open access: yesSensors, 2021
The knowledge of the exact position and orientation of a sensor with respect to a source (distribution) is essential for the correct solution of inverse problems.
Christin Bald, Gerhard Schmidt
doaj   +1 more source

A New Method for Building Low-Density-Parity-Check Codes

open access: yesInternational Journal of Technology, 2019
This paper proposes a new method for building low-density-parity-check codes, exempt of cycle of length 4, based on a circulant permutation matrix, which needs very little memory for storage it in the encoder and a dual diagonal structure is applied ...
Tehami Mohammed Amine, Djebbari Ali
doaj   +1 more source

Research on Efficient Soft Switching Based on MPPT of PV Power Generation System

open access: yesFrontiers in Energy Research, 2021
In this paper, basic soft-switching technology is proposed based on hard switching, and then the basic soft-switching technology is optimized, and an improved soft-switching technology is proposed to improve the conversion efficiency by reducing the ...
Peng Tao   +5 more
doaj   +1 more source

Low-Latency Digital Downconversion for Control Applications [PDF]

open access: yesarXiv, 2021
The slowly varying complex envelope of sinusoidal signals can be estimated in real-time using digital downconversion. In this paper, we discuss the requirements on digital downconversion for control applications. Two low-latency downconversion filters are compared with respect to performance and implementation aspects.
arxiv  

Impact of Phase Noise on Range Estimation Accuracy in Harmonic FMCW Radar Systems

open access: yesIEEE Access
This paper investigates the impact of phase noise on range estimation accuracy in harmonic Frequency-Modulated Continuous-Wave (FMCW) radar systems.
Ahmed El-Awamry   +3 more
doaj   +1 more source

Requisitos para um rádio digital interativo no Brasil e América Latina [PDF]

open access: yesarXiv, 2021
This article discusses the feasibility and requirements for using Ginga as the middleware of a Digital Radio System. Ginga was adopted by Brazil and several other countries in Latin America as the standard for interactivity in Digital TV (ISDB-T International).
arxiv  

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