Higher frequency Phase difference still says something about distance but how to know number of cycles? 0.50 0.50 Outgoing Incoming 1.00 0.0 0.4 0.8 1.6 2.0 2.8 DIstance 02/25/02 12.540Lec0602/25/02 12.540 Lec 06 11 Higher frequency. Phase difference still says something about distance but how to know number of cycles? -1.00 -0.50 0.00 0.50 1.00 0.0 0.4 0.8 1.2 1.6 2.0 2.4 2.8 Outgoing Incoming Signal voltage Distance Reflection