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Thermal calibration of Millimeter-wave radiometer  

Chae Yeon-Sik (Millimeter-wave Innovation Technology Research center)
Kim Soon-Koo (Millimeter-wave Innovation Technology Research center)
Rhee Eung-Ho (Suwon University)
Rhee Jin-Koo (Millimeter-wave Innovation Technology Research center)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.43, no.5, 2006 , pp. 176-181 More about this Journal
Abstract
We have built the close range Dicke type radiometer with 35GHz of frequency, which consists of two stage low noise amplifier and diode detector to calibrate temperatures of materials. We have present thermal calibration methods using millimeter-wave radiometer. Output voltages linearly increase with temperatures between 299K and 309K. We are able to measure lower temperature using the liquid nitrogen although results are somewhat unstable.
Keywords
millimeter-wave radiometer; Dicke; thermal calibration;
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