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3. Microwave sensors
3.1 Measurement principles
According to a Watson-Watt invention, this measurement method is also known as radar. A short electromagnetic wave is generated by a microwave transmitter (figure 9 ). It is reflected by the surface of the part to be measured. A receiver detects the returned echo.
In air, microwaves are reflected by conductive surfaces or those with...
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Microwave sensors
Sensors using ionizing radiation
