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Distance-based ultrasonic positioning systems (UPSs) using trilateration have been adopted in various types of applications across a wide variety of fields. Recently, the use of a chirp signal in conjunction with cross correlation has drawn a considerable amount of attention for UPSs. However, when a chirp signal is used for positioning, these algorithms suffer from problems due to signal interference...
Aiming to the phenomenon of counter intuition when dealing with some highly conflictive evidences by using the D-S combination rule, the reason for the occurrence of conflict is deeply analyzed. That is to say, it is caused by the outer conflicts among evidences and inner conflicts within the evidence itself. And then, the similarity measure is improved by considering inner and outer conflicts. The...
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