A multi-channel test apparatus with a rotatable turntable and stationary probe antennas for measuring antenna radiation patterns via rotatable RF joints.

Patentradars sammanfattning

The invention relates to a test apparatus for measuring radiation patterns of antennas under test, comprising a multi-channel measurement device, a rotatable turntable with fixed and rotating portions, and at least one stationary probe antenna. The key innovation involves a rotatable RF joint that maintains an RF signal path between the stationary measurement device and the rotating turntable section, enabling the antenna under test to rotate while eliminating the need for rotating RF cables or slip rings. This configuration improves measurement stability and reduces mechanical complexity in antenna characterization systems.

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