Antenna Design of Passive Wireless Temperature Sensor Based on Surface Acoustic Wave

被引:0
|
作者
Han, Yan [1 ]
Qi, Bensheng [1 ]
Tan, Junyan [1 ]
机构
[1] Hohai Univ, Coll Internet Things IOT Engn, Changzhou, Peoples R China
关键词
surface acoustic wave (SAW); temperature sensor; planar inverted-F antenna; normal mode helical antenna; simulation;
D O I
暂无
中图分类号
TP31 [计算机软件];
学科分类号
081202 ; 0835 ;
摘要
In order to measure the junction temperature of power equipment, a novel strategy of temperature measurement based on surface acoustic wave (SAW) passive wireless temperature sensor was designed. The antennas and the matching methods of antennas and sensors were also discussed. In this design, the reader antenna was designed as the planar inverted-F antenna (PIFA), and the sensor antenna was designed as the normal mode helical antenna. The simulation results showed that the center frequency of the antennas both are 915MHz and the voltage standing wave ratio (VSWR) are less than 1.5. The matching method of the planar inverted-F antenna was obtained through the location change of the feed point. The Smith v2.0 was utilized to match the normal mode helical antenna. Finally, both antenna designs met the requirements with the impedances of about 50 Omega.
引用
收藏
页码:713 / 717
页数:5
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