The conventional invasive tissue blood oxygen content measurement is poor in continuity.

传统的组织血氧含量测量方法是有创测量,且很难做到连续测量.

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Recently , near infrared spectrum technology has been applied to tissue blood oxygen content measurement.

血氧浓度信号因本身微弱、受干扰大,光子在组织内传播具有随机性,致使检测困难很大.

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