Result Impedance blood flow of wrist, neck, brain and so on were detected with high SNR and simple manipulation by continuously applying phase sensitive demodulator technique.

• 结果经过实验验证，该仪器能够提取手腕、颈、脑等部位的阻抗血流信号，应用相干检测技术得到了很高的信噪比，测量方便，可以进行连续监测。