This optimization object function was applied to the blood oxygen saturation measurement system and a higher signal-noise ratio was achieved.
将此目标函数应用到血氧饱和度无创测量系统中，提高了系统的信噪比。
Objective To study non - invasive measurement of reflectance oxygen saturation.
目的：探讨反射式血氧饱和度无创检测方法。
Under the condition of low perfusion, the measurement of non-invasive saturation of pulse-blood oxygen is low-accuracy, lower signal-to-noise ratio (SNR) is one of the crucial causations.
在弱灌注条件下，无创脉搏血氧饱和度的测量存在着准确度不高的问题。传感器采集信号的信噪比低是导致该问题的主要原因之一。
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