ISSN 2070-7401 (Print), ISSN 2411-0280 (Online)
Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa
CURRENT PROBLEMS IN REMOTE SENSING OF THE EARTH FROM SPACE

  

Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2013, Vol. 10, No. 3, pp. 150-159

On the limit characteristics of satellite radiometer-spectrometer in the range of 6...220 GHz

Yu.B. Khapin 1, A.V. Kuzmin 1, A.G. Semin 2, A.V. Uteev 1
1 Space Research Institute of RAS, Moscow, Russia
2 State Pedagogical University, Penza, Russia
By satellite microwave radiometers designed for precision radiobrightness polarization measurements, high demands are placed on a number of radio parameters: a high beam antenna efficiency, small side lobe level, crosspolarization, “transfusion”. For the absolute calibration of the radiometer, using the temperature space (2,7 K) and “hot” standard (350 K) is required to minimize the background radiation of the Earth and the platform in the first case and space platforms and in the second case. It also requires high stability low-noise input devices of the gain and noise. Finally, the stability of the parameters of the conical drive – the period and the angular velocity of rotation. This paper deals with the implementation of the ultimate accuracy of absolute measurements of the brightness temperature of the atmosphere-ocean microwave radiometer-spectrometer of the new generation (MRS) operating in the range of 6...220 GHz.
Keywords: радиометрия, микроволновый радиометр, яркостная температура, радиометр-спектрометр, radiometry, microwave radiometer, brightness temperature, radiometer-spectrometer
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References:

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