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Support our show Apple Watch Series 4 Nike+ 上手和几代心率测量原理浅谈 Outline 新手表外观 Photoplethysmography (PPG) Electrocardiography (ECG) 第一、二代 测量手腕血管内血液量的变化 基于 PPG 表背有两颗 LED 能耗问题 第三代 实时心率 基于 PPG 原理计算 Heart rate variability (HRV) 时域 (HKQuantityTypeIdentifierHeartRateVariabilitySDNN, the standard deviation of the interpulse intervals) 频域 Pulse rate variability Health Data 开放给读者 Health-Account-Export Health Data Github HRV Analysis Software 第四代 分别基于 PPG 和 ECG HRV 心电图体检 HRV 是个体差异的参数 Nike+特有的部分 Infograpg Module Liquid 表盘 Vapor 表盘 Nike+ Run Club Links PPG ECG Heart rate variability How to Measure Heart Rate Variability? A comparison of photoplethysmography and ECG recording to analyse heart rate variability in healthy subjects HRVAS: HRV Analysis Software How Apple Watch measures your heart rate How accurate is pulse rate variability as an estimate of heart New Apple Watch Series 4 complications for ‘Infograph’ face: corner gauges, curved bezel text, more Nike+ Training Club Nike+ Run Club 当我谈跑步时我谈些什么 TRAINED 快速上手 watchOS 5，先从这些新功能开始 Episode 17：叫醒 Apple Watch 里的米老鼠 Byte Coffee Host MilkShake羊 Sound Editor Kalaokay Contact 网站：http://Byte.Coffee/ 邮箱：[email protected] 新浪微博/Twitter/Instagram：@ByteCoffee Slack 听众群 Support Byte.Coffee
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