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浙江大学学报(工学版)
J4  2011, Vol. 45 Issue (11): 2068-2072    DOI: 10.3785/j.issn.1008-973X.2011.11.030
光学工程、生物医学工程     
植入式无源无线声表面波温度传感检测系统
叶学松1,王学俊１,梁波１,王琼１,何利松２,贝伟斌２
1.浙江大学 生物医学工程与仪器科学学院,生物医学工程教育部重点实验室,生物传感器国家专业实验室,
浙江 杭州 310027；2.中电科技德清华莹电子有限公司,浙江 德清 313200
Implantable passive and wireless telemetering system based on
SAW temperature sensor
YE Xue-song１, WANG Xue-jun1, LIANG Bo1,WANG Qiong1,
HE Li-song2, BEI Wei-bin2
1. Key Laboratory of Biomedical Engineering, Ministry of Education, Biosensor National Special Laboratory,
College of Biomedical Engineering & Instrument Science,Zhejiang University, Hangzhou 310027, China;
2. CETC Deqing Huaying Electronics Co., Ltd., Deqing 313200, China
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摘要：

为解决生物体内温度信号的长期实时无线遥测问题,设计一种新型的基于声表面波传感技术的植入式无源无线温度检测装置,并构建基于NI射频通讯设备的无线遥测虚拟仪器系统.该植入式电子装置将433 MHz声表面波温度传感器与简易谐振电路集成,利用射频通讯虚拟仪器平台,在外部4 MHz中频电磁能量的供应下,实现生物体内温度的高精度实时监测.实验表明：在30～45 ℃测量范围内,该检测系统具有8.542 kHz/℃的温度灵敏度和小于±0.1 ℃的测量精度；系统在20 dBm的发射功率下检测距离可达到1 m.
Abstract:

To achieve long-term and real-time wireless in-vivo detection of body temperature, a novel passive and wireless telemetering system based on SAW temperature sensor was developed. A radio communication platform based on NI virtual instrument for wireless telemetry was built to test the performance of the sensor. Through this virtual instrument platform, the implantable electronic device, which was composed of 433 MHz SAW temperature sensor and simple resonant circuit, realized the in-vivo temperature monitoring under external 4 MHz electromagnetic energy supply. Results show that the temperature sensitivity of this system is 8.542 kHz/℃ at 30～45 ℃, with the measurement accuracy of ±0.1 ℃. Furthermore, animal experiment demonstrates that this system has accomplished the measurement of body temperature successfully, and the measuring distance reaches up to 1 m with 20 dBm transmitting power supply.
出版日期: 2011-12-08
:  TH 811  
基金资助:

浙江省科技厅重大科技专项资助项目（2008C11107-2）.
作者简介: 叶学松（1970-），男，博士，教授，从事传感技术及信号处理的研究.E-mail : yexs@mail.bme.zju.edu.cn
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引用本文:

叶学松,王学俊,梁波,王琼,何利松,贝伟斌. 植入式无源无线声表面波温度传感检测系统[J]. J4, 2011, 45(11): 2068-2072.

YE Xue-song, WANG Xue-jun, LIANG Bo,WANG Qiong, HE Li-song, BEI Wei-bin. Implantable passive and wireless telemetering system based on
SAW temperature sensor. J4, 2011, 45(11): 2068-2072.

链接本文:

https://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2011.11.030    或    https://www.zjujournals.com/eng/CN/Y2011/V45/I11/2068

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