The current document is a part of an effort of the Active Safety Systems Committee@ Active Safety Systems Sensors Task Force whose objectives are to: a. Identify the functionality and performance you could expect from active safety sensors b. Establish a basic understanding of how sensors work c. Establish a basic understanding of how sensors can be tested d. Describe an exemplar set of acceptable requirements and tests associated with each technology e. Describe the key requirements/functionality for the test targets f. Describe the unique characteristics of the targets or tests This document will cover items (a) and (b).