Dave Cuthbert ([email protected]) wrote:
>> If I understand the OATS cal procedure, the RX antenna height is moved >from 1 meter to 4 meters and readings are taken. Now this is the strange part: The readings are averaged. Is this right? Now think about it- when a DUT is tested, the RX antenna is moved until maximum signal is achieved- not the average signal as the RX antenna height is swept. This method makes a DUT look "hotter" than it really is and makes the site uncertainty appear larger. << My understanding is that one *doesn't* average readings taken while scanning heights, but that receive antenna height is varied at each frequency to obtain maximum signal strength over the heights scanned. That reading is used. Cortland This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ To cancel your subscription, send mail to: [email protected] with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Ron Pickard: [email protected] Dave Heald: [email protected] For policy questions, send mail to: Richard Nute: [email protected] Jim Bacher: [email protected] Archive is being moved, we will announce when it is back on-line. All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc
