An Overview of Microwave Sensor Technology

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  • Author: Jiri Polivka
This article persents the technical back-ground and func-tion descriptions for many kinds of sensors that utilize microwave technology. Applications of microwave sensors cover industry, medicine, environment and other fields, and a good knowledge of their function, principles and limitations is essen-tial before selection and deployment. There are many types of microwave sen-sors that have been developed, and more are being developed. Many of their principles are generally known while some are new and sur-prising. Microwave sensors utilize electromagnetic fields and devices internally operating at fre-quencies starting from ~300 MHz up to the terahertz range.