文中分析了声表面波谐振器的工作原理，建立了基于TSE G144传感器的谐振型无源无线温度测量系统。该系统可分为硬件系统：包括传感器、信号源、混频器、放大器、收发开关、单片机等模块；软件系统：包括激励发送、回波接收、谐振分析和频率温度计算等。最后，对软硬件系统进行了温度实验测试，不仅测量精度达到了±0．8℃的优良水平，灵敏度也达到了9．2 kHz的高度，显示了测量系统良好的应用和发展前景。%The working principle of surface acoustic wave resonator was analyzed in this paper and resonance -type passive wireless temperature measurement system based on TSE G 144 sensor was established .The system was composed of hardware sys-tem including sensor, signal sources, mixers, amplifiers, transceiver switches, and microcontrollers, and software system inclu-ding incentive sending , echo receiving , resonance analysis , frequency temperature calculation , etc..Finally, temperature experi-ment was carried out to test the software and hardware system .The accuracy of measurement is ±0.8℃and the sensitivity is 9.2 kHz, thus showing good application and development prospect of the measurement system .
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