Basic Working Principles of Electronic Distance Meters
EDM instruments are classified according to the type of carrier wave employed. Instruments using light or IR waves are classified as electro-optical instruments. Instruments based on radio waves are generally called microwave instruments. Because of the different structure of these two types of instruments, they will be discussed separately.
KeywordsPhase Measurement Carrier Wave Remote Station Master Station Microwave Instrument
Unable to display preview. Download preview PDF.