Electronic Navigation Research Institute
Japanese
Links
HOME > Researches > Facilities > Radio Anechoic Chamber
Researches Facilities

Researches

Facilities


Radio Anechoic Chamber

The radio anechoic chamber provides a free-space environment for radio wave propagation. It is used for testing radio navigation equipment before field experiments. It is also used for antenna pattern measurement.

The anechoic chamber is built in a shielded box. Its inside ceiling, walls and floor are covered by electromagnetic absorbers, because reducing interference improves measurement accuracy.
Dimensions
(outer size) : 32.0m × 6.2m × 4.2m
Frequency band : 1 - 110GHz
Non-Reflection Lange : 23m and over
Reflection attenuation
 (part of the center) : 50dB and over
Shield attenuation
 (part of the center) : 90dB and over
Copyright