P1.8 - Comparison of Two Methods for Determining the Position of Reflection Points Using Ultrasound Echolocation in a Specular Environment

Georg Kaniak & Herbert Schweinzer
With the final goal of three dimensional scene analysis by ultrasound echolocation, two approaches are discussed for determining the position of reflection points on specular objects. The first approach uses time-of-flight information at four receivers for the estimation of distance and direction. The second one is based on determining the angle of transmission by evaluating the directional characteristic of the signal pattern. Finally both methods are compared.
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