Data Sheet

K-MC4 MONOPULSE RADAR TRANSCEIVER Datasheet
Object Angle Phase Conditions
A moving object generates Doppler Signals on both I and Q outputs.
Phase relations between Ix an Qx indicate forward or backwards movements.
Objects approaching the sensor generate 90° shift between Ix and Qx outputs.
Objects moving away from the sensor generate -90° shift between Ix and Qx outputs.
Phase relations between I1 an I2 or Q1 and Q2 indicate the object's deviation α
from the 90° axis . Please note the position of the antennas Rx1 and Rx2 in Fig. 3.
Fig. 3: IF Signal phase shift vs object angle
© RFbeam Microwave GmbH, Schuppisstrasse 7, CH-9016 St. Gallen Page 4/14
-120 -90 -60 -30 0 30 60 90 120
-20
-10
0
10
20
Phase Shift [°]
Object Deviation ]
α
α