搜索 - 科创

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使用的是美信的MAX30100和30102芯片框图：携带氧气的红血球能吸收较多红外光(850-1000nm)，未携带氧气的红血球则是吸收较多的红光(600-750nm)，通过这个特性就可以计算血液的血氧饱和度

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