| Summary: | 博士 === 元智大學 === 通訊工程學系 === 104 === Pulse Doppler radar, which has a history of several decades, is most widely used in military applications, such as fire control radar, search radar, and tracking radar. These radars aim at detecting, searching, and tracking minatory target vehicle of enemies. According to the requirements of military combat, military radars must possess sufficient radiation power to detect targets from a far distance, such as fly bomb, flying vehicle, and naval vessels. The contemporary radar technology has evolved from simple radio frequency radar to phase-coded and infrared radars with an extended application in non-military monitoring, detection and security control, and regulation. In small areas, there is no need to use a large radiation power, resulting in dramatically reduced volume, which could play an important role in indoor security care and countering terrorism by detection and control. The objective of this study is to design a Self-spin RF Metal Detect System for regional use based on radar working principles for large-scale indoor security care and antiterrorism monitoring. Therefore, it monitors minatory metal objects (angles and distances) in large-scale indoor public areas, like public transportation places such as airports, subways, bus stations, and thus protects people’s life through rapid detection for potential risks.
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