Near field antenna measurement systems and methods

Details Near field antenna measurement systems and methods Near field antenna measurement systems and methods

H - Electricity

04

B

351/1

H04B 17/02 (2006.01) G01R 29/10 (2006.01) H04B 17/00 (2006.01)

Patent

CA 2033375

28286A-281/17125 ABSTRACT OF THE DISCLOSURE A field monitor in the near field receives an antenna signal which approximates that which would be received by the monitor if located in the far field. In one aspect of the invention, the antenna signal is produced by an array of spaced apart receiving elements. In another aspect of the invention, the signal received from a near field sampling antenna is passed through a signal processor having the necessary characteristics to construct from the sample a signal corresponding to that which would have been received in the far field. Antenna element arrays are also used as plane wave sources permitting antenna testing with a radiating path length of one-eighth or one-quarter of the far field distance. Compact indoor antenna test ranges are also provided.

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