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在FM无线电频段中用于人类姿势分类的被动射频测试台

João Pereira1,2, Eugene Casmin1,2, Rodolfo Oliveira1,2

  • 1Departamento de Engenharia Electrotécnica e de Computadores, Faculdade de Ciências e Tecnologia (FCT), Universidade Nova de Lisboa, 2829-516 Caparica, Portugal.

Sensors (Basel, Switzerland)
|December 9, 2023
PubMed
概括

这项研究使用频率调制 (FM) 无线电信号用于室内被动人体姿势分类. 开发的测试台达到约90%的准确性,使实时姿势检测成为可能.

关键词:
无线电频率被动传感传感器环境意识 背景意识人类姿势分类人类姿势分类机器学习是机器学习.绩效评价 绩效评价 绩效评价 绩效评价 绩效评价

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IR Frequency Region: Fingerprint Region01:03

IR Frequency Region: Fingerprint Region

IR spectra are divided into two main regions: the diagnostic region and the fingerprint region. The diagnostic region of the spectrum lies above 1500 cm−1. The absorptions resulting from single-bond vibrations of the N–H, C–H, and O–H stretch at higher wavenumbers and appear on the left side of the spectrum. The stretching absorptions of the C≡C and C≡N occur between 2100–2300 cm−1. In contrast, those arising from stretching absorptions of the C=O, C=N, and C=C occur between 1600–1850 cm−1.
The...