Fig. 1. The basic item structure model

Fig. 2. Equivalent circuit of the basic model

Fig. 3. Overall equivalent circuit of the basic model

Fig. 4. The 3-D view of CTS array antenna

Fig. 5. The front view of parallel plate waveguide CTS array

Fig. 6. The feed structure of a power divider

Fig. 7. The S11 of CTS array antenna

Fig. 8. Far-field gain pattern of CTS array antenna at 78.8 GHz

Fig. 9. Far-field gain pattern of CTS array antenna at 87.5 GHz