Byte.Coffee

Episode 19：有能量的人 (To be a person)

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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
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                      • 邮箱：[email protected]
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