| 摘要 |
DETECTION METHOD AND SYSTEM The invention provides a method and a system for the detection of an object moving relative to another object. The object possibly being a person, an element, an installation, a tool, a surface etc. According to the invention, a UHF wave is generated in a slotted antenna and the rays exiting from the slots are directed onto the area to be monitored. The reflected waves are detected and this frequency is compared with the frequency of the transmitted waves. |
