Abstract
We study on characteristics of the SOKUIKI sensor capable of detecting multi-echo. This sensor can measure two or more distances for the single direction, and can acquire much information compared with the conventional sensor. We investigated what kind of measurement result is actually obtained under the following experiment's environment. 1. Measurement of the environment where it is raining. 2. Measurement of the object through a shutter. 3. Measurement inside a room where the smoke is filled.