Application of the thermoelectric MEMS microwave power sensor in a powerradiation monitoring system |
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Authors: | Gao Bo Yang Jing Jiang Si Wang Debo |
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Affiliation: | Nanjing University of Posts and Telecommunications, Nanjing 210003, China |
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Abstract: | A power radiation monitoring system based on thermoelectric MEMS microwave power sensors is studied. This monitoring system consists of three modules: a data acquisition module, a data processing and display module, and a data sharing module. It can detect the power radiation in the environment and the date information can be processed and shared. The measured results show that the thermoelectric MEMS microwave power sensor and the power radiation monitoring system both have a relatively good linearity. The sensitivity of the thermoelectric MEMS microwave power sensor is about 0.101 mV/mW, and the sensitivity of the monitoring system is about 0.038 V/mW. The voltage gain of the monitoring system is about 380 times, which is relatively consistent with the theoretical value. In addition, the low-frequency and low-power module in the monitoring system is adopted in order to reduce the electromagnetic pollution and the power consumption, and this work will extend the application of the thermoelectric MEMS microwave power sensor in more areas. |
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Keywords: | thermoelectric MEMS power sensor power radiation monitoring system |
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