111Equation Chapter 1 Section 1光电式脉搏波无线测量系统东南大学 王晨迪, 王衡，朱文琦 （东南大学生物科学与医学工程学院 ，江苏省 南京市 210096）指导教师：汪丰 副教授 摘 要：本项目研制的光电式脉搏波无线测量系统包括脉搏波测量模块，无线收发模块和计算机分析处理软件三大部分。结合光电容积法的特点，充分利用了 TI 公司 OPT101 等芯片的特性，设计高通、低通、工频陷波器对输出信号进行处理；使用集成了模数转换的 CC2430 单片机芯片完成检测心率、无线通信等功能；计算机分析软件通过 USB 接口与无线接收模块交换数据，接收脉搏波信号，可动态实时观察脉搏波数据，并进行分析处理，通过本文提出的基于小波变换的阈值去噪改进算法，快速有效地分离脉搏波信号和噪声；依靠智能分析算法辅助医生进行各波段特征提取、进行节律异常，血管弹性和血液粘性等快速诊断，迅速关注异常脉搏波，指导用户了解自身健康状况和帮助医护人员进行下一步医疗措施。关键词 ：光电脉搏波，传感器，无线传输，小波去噪，智能分析Abstract: The photoelectric pulse wave wireless measurement system developed in this project includes pulse wave measurement module, wireless transceiver modules, and computer analysis software. Combined with the characteristics of photoelectric volume method, we have made full use of the OPT101 and other chips from TI company designing high-pass, low pass, power frequency notch filter to process the output signals; By the use of the integration of the analog-digital conversion of the CC2430 microcontroller chip, the heart rate detection, wireless communications and other functions have been accomplished; computer analysis software can exchange data with the wireless receiver module via USB interface to receive the pulse wave signal and fulfill dynamic real-time observation of pulse wave data and analyzed treatment. Using the proposed threshold denoising Algorithm based on wavelet transform, the pulse wave signal and noise can be separated quickly and effectively; t...
