Avaliação da precisão da configuração de dois sistemas de posicionamento local de banda ultralarga, seis antenas e 18 Hz versus oito antenas e 33 Hz, para medir padrões de movimento no esporte
Assessment of the configuration accuracy of two UWB in sport
DOI:
https://doi.org/10.33414/rtyc.44.42-51.2022Palavras-chave:
Sistema de Posicionamento Local, EPTS, Tecnologia, taxa de amostragem, ultra banda largaResumo
O uso de sistemas válidos, precisos e confiáveis é fundamental para garantir a coleta de dados ideal e a interpretação correta dos dados. Entre outros fatores, verifica-se que a frequência de amostragem e o número de antenas determinam a precisão dos dados utilizando Sistemas de Posicionamento Local (LPS). Portanto, o objetivo deste estudo foi avaliar e comparar a precisão de duas configurações de banda ultralarga (UWB) (UWB6_18HZ: 6 antenas e capacidade de 18 Hz vs. UWB8_33HZ: 8 antenas e capacidade de 33 Hz) para medir os padrões de movimento em Esportes. Um jogador de futebol saudável e bem treinado (idade: 38 anos, massa: 76,34 kg, altura 1,85 m) correu 9 m ao longo da linha média de uma quadra de vôlei (n = 10 corridas, amostras = 424 ). As configurações UWB6_18HZ e UWB8_33HZ mostraram alta precisão (diferença média entre as medições reais e UWB = 0,014 ± 0,03m vs. UWB6_18HZ e 0,013 ± 0,03m para UWB8_33HZ), embora UWB8_33HZ tenha apresentado maior precisão (8,99 UWB ± 0,03 m_18HZ_18) do que 0,03). Portanto, os fabricantes devem considerar desenvolvimentos futuros com base nas taxas de amostragem e no número de antenas instaladas ao redor do campo.
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Copyright (c) 2022 Markel Rico-González, Asier Los Arcos, Alejandro Bastida-Castillo, José Pino-Ortega
Este trabalho está licenciado sob uma licença Creative Commons Attribution-NonCommercial 4.0 International License.
