Ultra-Short Photoplethysmography (PPG) Signal Dataset for COPD Screening

The dataset is released publicly to support open science practices and reproducibility of research on PPG-based COPD screening.本数据集公开发布，旨在支撑基于光电容积描记术（Photoplethysmography, PPG）的慢性阻塞性肺疾病（Chronic Obstructive Pulmonary Disease, COPD）筛查相关研究的开放科学实践与可重复性。