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Volume 20 Issue 2
Mar.  1998
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Li Jing, Zhang Junrong, Zhao Kai . REAL-TIME CALIBRATED MICROWAVE RADIOMETER[J]. Journal of Electronics & Information Technology, 1998, 20(2): 285-288.
Citation: Li Jing, Zhang Junrong, Zhao Kai . REAL-TIME CALIBRATED MICROWAVE RADIOMETER[J]. Journal of Electronics & Information Technology, 1998, 20(2): 285-288.

REAL-TIME CALIBRATED MICROWAVE RADIOMETER

  • Received Date: 1996-11-08
  • Rev Recd Date: 1997-08-06
  • Publish Date: 1998-03-19
  • In this paper, a new type of microwave radiometer, real-time calibrated microwave radiometer was introduced. It has the following characteristics: (1) insensitive to system gain variations; (2)insensitive to receiver noise temperature variations; (3) the ability to provide realtime calibration; (4) wide measurement range. The prototype of real-time calibrated microwave radiometer at C -band was made in our laboratory. The integration time is 0.2s, the sensitivity is 0.2K,linearity of the receiver is 0.9990....
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  • Dicke R H. The measurement of thermal radiation at microwave frequencies[J].The Review of Scientific Instruments.1946, 17(7):268-275[2]张俊荣.零平衡微波辐射计研制.长春遥感试验论文集(2).北京:科学出版社,1988, 18-31.[3][3][4]Hach J P. A very sensitive airborne microwave radiometer using two reference temperatures. IEEE Trans. on MTT, 1968, MTT-16(9): 629-636.[5]张俊荣,赵凯.数字增益自动补偿型微波辐射计.专利号:ZL96220482. 2.[6]Tiuri M E. Radio astronomy receivers. IEEE Trans. on AP, 1964, 12:930-938.
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