关键词：传感器；刑事司法；便携式设备；雷达跟踪
摘 要：This report discusses the test and evaluation (T&E) efforts that the SSBT Center of Excellence (CoE) performed on commercially available TTWS, and evaluates the performance of an NIJ sponsored prototype TTWS. A description of each device that underwent T&E as well as a description of operational factors that may affect the usability of each device is provided. The results of the T&E activities as well as descriptions of the T&E activities are also provided so interested parties can take into consideration the relevancy of any particular test or set of tests in comparison to their organizations specific needs and intended end use.