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Abstract
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Article Information:
Noninvasive Temperature Measurement Based on Microwave Temperature Sensor
Shoucheng Ding
Corresponding Author: Shoucheng Ding
Submitted: June 28, 2012
Accepted: July 28, 2012
Published: January 21, 2013 |
Abstract:
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In this study, we have a research of the noninvasive temperature measurement based on microwave temperature sensor. Moreover, in order to solve the surface temperature measurement for designing microwave temperature sensor, the microwave was issued by the transmitting antenna. Microwave encountered by the measured object to return back to the measured object and then convert it into electrical signals, the use of the quantitative relationship between this signal and input noise temperature to real-time calibration. In order to calculate the antenna brightness temperature and then after signal conditioning circuit, which can show the temperature value, in order to achieve the detection of microwave temperature. Microwave-temperature measurement system hardware based on 89C51 microcontroller consists of the microwave temperature sensor, signal conditioning circuitry and chip control circuit, AD converter circuit and display circuit. The system software is by the main program, the AD conversion routines, subroutines and delay subprogram. The microwave temperature measurement characterize has: without gain fluctuations, without the impact of changes in the noise of the machine, to provide continuous calibration, wide dynamic range.
Key words: 89C51 microcontroller, microwave sensor, temperature measuring, , , ,
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Cite this Reference:
Shoucheng Ding, . Noninvasive Temperature Measurement Based on Microwave Temperature Sensor. Research Journal of Applied Sciences, Engineering and Technology, (03): 1041-1047.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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