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Iterative method for near field to far field transformation over arbitrary measurement surfaces

Autor: Rodríguez Varela, Fernando, Sierra Castañer, Manuel, Galocha Iragüen, Belén

Publikováno v: Actas del XXXIII Simposium Nacional de la Unión Científica Internacional de Radio (URSI 2018) | XXXIII Simposium Nacional de la Unión Científica Internacional de Radio (URSI 2018) | 05/09/2018-07/09/2018 | Granada, España
Archivo Digital UPM
Universidad Politécnica de Madrid

Classical near field to far field transformation algorithms are unable to deal with irregularly distributed measurement samples. As frequency increases, this may be a serious limitation in certain scenarios. In this paper a near field to far field tr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::575c1e095920adaf4d6a767584669f00
https://oa.upm.es/55280/

On the fly multifrequency measurements in spherical near field systems

Autor: Galocha Iragüen, Belén, Caballero Almena, Pablo, Martínez Portas, Cristian Adrián, Rodríguez Varela, Fernando, Besada Sanmartín, José Luis, Sierra Castañer, Manuel

Publikováno v: Proceedings of 40th​ ​Annual​ ​Meeting​ ​and​ ​Symposium​ ​of​ ​the​ ​Antenna​ ​Measurement​ ​Techniques Association, AMTA 2018 | ​40th​ ​Annual​ ​Meeting​ ​and​ ​Symposium​ ​of​ ​the​ ​Antenna​ ​Measurement​ ​Techniques Association, AMTA 2018 | 04/11/2018-09/11/2018 | Williamsburg, VA, USA
Archivo Digital UPM
Universidad Politécnica de Madrid

This paper presents a technique for reduction the acquisition time in the measurement of antennas in spherical near field systems using multifrequency on-the-fly acquisitions. When these acquisitions are performed, a shift in the pattern is performed

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::0f63566b0081e662891d72c75b431cbd
https://oa.upm.es/55277/

Design and optimization of a C-Band lens horn for scatterometer calibration

Autor: Rodríguez Varela, Fernando, Besada San Martín, José Luis, Galocha Iragüen, Belén

Publikováno v: Actas del XXXII Simposium Nacional de la Unión Científica Internacional de Radio (URSI 2017) | XXXII Simposium Nacional de la Unión Científica Internacional de Radio (URSI 2017) | 06/09/2017-08/09/2017 | Cartagena, Murcia, Spain
Archivo Digital UPM
Universidad Politécnica de Madrid

In this paper the design and optimization process of a scatterometer calibration antenna is presented. The solution consists in a septum polarizer and a high gain Potter horn with exceptionally low axial ratio (0.2 dB) and low SLL at 5.3 GHz. To obta

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::8f878c7154c89f73e68bbf4a85bb29e9
https://oa.upm.es/51019/