Brightness Temperature Computation of Microwave Calibration Targets

Schroder, Arne; Murk, Axel; Wylde, Richard; Schobert, Dennis; Winser, Mike (2017). Brightness Temperature Computation of Microwave Calibration Targets. IEEE transactions on geoscience and remote sensing, 55(12), pp. 7104-7112. Institute of Electrical and Electronics Engineers IEEE 10.1109/TGRS.2017.2740559

[img] Text
08026033.pdf - Published Version
Restricted to registered users only
Available under License Publisher holds Copyright.

Download (4MB) | Request a copy

A rigorous numerical technique to compute the brightness temperature of arbitrarily shaped microwave calibration targets is presented. The proposed method allows the brightness temperature of calibration targets to be investigated depending on frequency, absorber material, geometry, antenna pattern, field incidence, and temperature environment. We have validated the accuracy and studied the numerical complexity of the approach by means of analytical reference solutions. Fundamental brightness temperature investigations of pyramid absorbers are shown for various thermal environments in different frequency bands between 20 and 450 GHz. Based on these analyses, a novel pyramid geometry was designed, which features a superior electromagnetic and thermal performance compared with conventional pyramid designs. Using the theoretical findings, we have developed reduced-order models of pyramid targets for rapid brightness temperature studies.

Item Type:

Journal Article (Original Article)

Division/Institute:

08 Faculty of Science > Institute of Applied Physics
08 Faculty of Science > Institute of Applied Physics > Microwaves

UniBE Contributor:

Murk, Axel

Subjects:

600 Technology > 620 Engineering
500 Science > 530 Physics

ISSN:

0196-2892

Publisher:

Institute of Electrical and Electronics Engineers IEEE

Language:

English

Submitter:

Franziska Stämpfli

Date Deposited:

15 Jun 2018 09:18

Last Modified:

15 Jun 2018 09:18

Publisher DOI:

10.1109/TGRS.2017.2740559

BORIS DOI:

10.7892/boris.114725

URI:

https://boris.unibe.ch/id/eprint/114725

Actions (login required)

Edit item Edit item
Provide Feedback