Title :
A broadband microwave correlation radiometer using a quadrature hybrid coupler
Author :
Kato, Y. ; Komiyama, K. ; Inoue, T.
Author_Institution :
Electrotech. Lab., Ibaraki, Japan
Abstract :
A broadband microwave radiometer of differential type has been developed adopting a correlation scheme with a quadrature hybrid coupler of low reflection coefficient. The system can be composed of three sets of the microwave frontends in the frequency range of 1 to 12 GHz.
Keywords :
correlation methods; electric noise measurement; microwave measurement; radiometers; radiometry; strip line couplers; 1 to 12 GHz; broadband microwave correlation radiometer; coaxial noise source measurement; correlation scheme; differential type; low reflection coefficient; microwave frontends; quadrature hybrid coupler; Acoustic reflection; Bandwidth; Circuits; Frequency; Hybrid junctions; Microwave amplifiers; Microwave radiometry; Noise measurement; Switches; Temperature;
Conference_Titel :
Precision Electromagnetic Measurements Digest, 1996 Conference on
Conference_Location :
Braunschweig, Germany
Print_ISBN :
0-7803-3376-4
DOI :
10.1109/CPEM.1996.547121
