Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Alberto Barcia Cancio"'
Autor:
Belen Galocha Iraguen, Alberto Barcia Cancio, Felix Tercero Martinez, Pablo de Vicente Abad, J. A. López-Fernández, J. A. López-Pérez
Publikováno v:
IEEE Transactions on Antennas and Propagation. 62:2624-2633
The surface improvement of the Centro Astronomico de Yebes (CAY) 40 m radiotelescope with the use of coherent (with-phase) microwave holography is shown. For this purpose, a dual channel Ku-band receiver in prime focus has been developed. It allows h
Publikováno v:
IEEE Microwave and Guided Wave Letters. 9:413-415
The performance of a cryogenically cooled X-band amplifier for the geodetic VLBI X-band (8.1-9.0 GHz) is presented. The amplifier incorporates hydrogen passivated InP devices with 0.2/spl times/200 /spl mu/m gate. A comparison of the noise performanc
Publikováno v:
2006 IEEE MTT-S International Microwave Symposium Digest.
We describe the design and results of a wide band C-X cryogenic IF amplifier developed for band 9 (602-720 GHz) of ALMA radio telescopes. A cryogenic 4-12 GHz isolator is used at the input to improve matching. Several units have been fabricated and i
Conference
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