Details
| Original language | English |
|---|---|
| Pages | 99-105 |
| Number of pages | 7 |
| Publication status | Published - 1988 |
| Externally published | Yes |
Abstract
The attenuation and radiation characteristics of a pyramidal absorber are studied, both analytically and experimentally, including bulk-parameter data for commercially available, measured samples. Absorber attenuation is modeled as a plane wave incident on a layered medium with a varying complex permittivity. Attenuation experiments performed in a TEM cell confirm the validity of this approach. The antenna behavior of the pyramidal absorber is also considered, treating it as a monopole antenna. The input impedance and radiation are both modeled and measured. It is shown that the absorber can radiate significantly, which can affect its usefulness, depending on the intended application. Special consideration has been given to the low-frequency performance (<100 MHz) of absorbers.
ASJC Scopus subject areas
- Engineering(all)
- General Engineering
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1988. 99-105.
Research output: Contribution to conference › Paper › Research › peer review
}
TY - CONF
T1 - Investigation into the scattering and radiation characteristic of rf-absorbers.
AU - Hansen, D.
AU - Ari, N.
AU - Garbe, H.
PY - 1988
Y1 - 1988
N2 - The attenuation and radiation characteristics of a pyramidal absorber are studied, both analytically and experimentally, including bulk-parameter data for commercially available, measured samples. Absorber attenuation is modeled as a plane wave incident on a layered medium with a varying complex permittivity. Attenuation experiments performed in a TEM cell confirm the validity of this approach. The antenna behavior of the pyramidal absorber is also considered, treating it as a monopole antenna. The input impedance and radiation are both modeled and measured. It is shown that the absorber can radiate significantly, which can affect its usefulness, depending on the intended application. Special consideration has been given to the low-frequency performance (<100 MHz) of absorbers.
AB - The attenuation and radiation characteristics of a pyramidal absorber are studied, both analytically and experimentally, including bulk-parameter data for commercially available, measured samples. Absorber attenuation is modeled as a plane wave incident on a layered medium with a varying complex permittivity. Attenuation experiments performed in a TEM cell confirm the validity of this approach. The antenna behavior of the pyramidal absorber is also considered, treating it as a monopole antenna. The input impedance and radiation are both modeled and measured. It is shown that the absorber can radiate significantly, which can affect its usefulness, depending on the intended application. Special consideration has been given to the low-frequency performance (<100 MHz) of absorbers.
UR - http://www.scopus.com/inward/record.url?scp=0024142342&partnerID=8YFLogxK
M3 - Paper
AN - SCOPUS:0024142342
SP - 99
EP - 105
ER -