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A DEVICE FOR IMPLANTING A PROSTHESIS IN A TISSUE
专利权人:
THD S.P.A.
发明人:
BASTIA, FILIPPO
申请号:
IL218152
公开号:
IL218152A
申请日:
2012.02.16
申请国别(地区):
IL
年份:
2012
代理人:
摘要:
A method for estimating the distance (d) of a receiver (102) from a radio transmitter (101) includes the steps of: receiving (602) radio signals (103, 701) irradiated by the transmitter (101), which include components from which at least three tones (1,2,3,4) are extracted, each having a different frequency measuring (606) a first phase difference (Deltaphi21) between first two tones (1, 2) of the at least three tones, whose frequencies (f1, f2) have a first spacing, and measuring a second phase difference (Deltaphi43) between second two tones (3, 4) of the at least three tones, whose frequencies (f3, f4) have a second spacing, wherein one of the first spacing or second spacing is greater than the other estimating (607, 611, 613) the distance (d) on the basis of the first phase difference (Deltaphi21) and the second phase difference (Deltaphi43).
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