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Apple Watch Series 4 拆解

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Passo 13
Apple Watch Series 4 Teardown: passo 0, imagem 1 %32 Apple Watch Series 4 Teardown: passo 0, imagem 2 %32 Apple Watch Series 4 Teardown: passo 0, imagem 3 %32

  • This golden donut is likely a streamlined antenna, as we've not seen the fiddly brackets or golden gaskets of yesteryear.

  • Meanwhile, we've come to the headline feature: new electrical heart sensors (ECG) to complement existing optical sensors.

  • The Apple Watch is a Lead I ECG, which means it's only measuring voltage between the right and left arms. The first electrode is on the Watch back, pressed against your wrist. The second is the crown, held by your opposite hand's fingers.

  • These electrodes detect tiny changes in electrical polarization across your skin as your heart beats. The S4 then interprets that data to compute and analyze your heart rhythm.

这个金色甜甜圈可能是流线型天线，因为我们没有看到以前复杂的托架或金色垫圈。

同时，我们来到了标题功能：全新的电极式心脏传感器（ECG），用于补充现有的光学心率传感器。

Apple Watch 是 Lead I ECG，意味着只测量左右手之间的电压。第一个电极在手表背面，压在你手腕上。第二个在表冠上，由你另外一只手的手指按住。

当心脏跳动时，这些电极可以检测到皮肤上电极化的微小变化。然后 S4解码该数据来计算和分析您的心律。

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