Optical frequency modulated continuous wave (FMCW) range and velocity measurements

Detta är en avhandling från Luleå : Luleå tekniska universitet

Författare: Daniel Nordin; Luleå Tekniska Universitet.; Luleå University Of Technology.; [2001]

Nyckelord: ;

Sammanfattning: By using a tunable laser diode and fiber components small compact ranging and radial velocity measuring systems can be realized utilizing a frequency modulating continuous wave (FMCW) technique. The thesis start with an introduction that explains some basic theory behind laser diodes, photodiodes and different optical measuring techniques. Three papers titled "Dividing Optical Power for Maximum Signal-to-Noise Ratio in a Self Mixing FMCW System", "Advantages of a new modulation scheme in an optical self-mixing FMCW system" and "Single stage photodiode OP-amp solution suited for a self mixing FMCW system", are included.

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