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介绍了用于大脑血流量检测的近红外光谱术的基本原理和实验体系，该系统可完成对近红外光学信号的实时采集、处理和显示等功能．在血模型实验结果基础上，报道了大脑血流量变化的近红外光学检测结果
The basic principle and experimental system of near infrared spectroscopy for blood flow detection in the brain are introduced. The system can accomplish the real - time acquisition, processing and display of near - infrared optical signals. Based on the experimental results of the blood model, the results of near infrared optical detection of cerebral blood flow changes were reported