June 2006
Intermediate to advanced
344 pages
15h 43m
English
Content preview from Ultra Wideband Systems
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22
Chapter 2
The term
fully anechoic
refers to the fact that all surfaces of the chamber are cov-
ered with anechoic material.
A flee-space test environment, qualified per IEEE Standard 149-1979 (IEEE
Standard Test Procedures for Antennas) [5], is suitable for most EMC-related free-
space radiated-emissions measurements. For example, a completely anechoic
chamber suitable for UWB antenna measurements would require only a foam-
based absorber solution since the measurements occur at frequencies higher than
960
MHz.
2.3.2 Alternative Measurement Environments
Alternative environments can be used to ...
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