Fig. 1. Dual polarization millimeter-wave detector: (a) Structure diagram and size; (b) Picture

Fig. 2. Dual polarization millimeter-wave detector’s: (a) Schematic diagram; (b) Sectional drawing

Fig. 3. Horn antenna: (a) Size; (b) Schematic diagram of electromagnetic simulation

Fig. 4. (a) Structure diagram of OMT; (b) Size of BФifot junction

Fig. 5. (a) Pictures of OMT module and waveguide converter; (b) Measurement picture of waveguide converter; (c) Measurement picture of horizontal polarization; (d) Measurement picture of vertical polarization

Fig. 6. OMT structure: (a) Insertion loss of horizontal polarization; (b) Insertion loss of vertical polarization

Fig. 7. Test and simulation results of OMT structure’s return loss

Fig. 8. Schematic diagram of NETD measurement system

Fig. 9. (a) Detector response voltage to the hot water at different temperatures; (b) RMS noise of measured response voltage to the hot water at different temperatures

Fig. 10. (a) Schematic diagram of multi-polarization passive millimeter-wave remote radar; (b) Visible image of imaging scenes

Fig. 11. Dual-polarization millimeter-wave remote sensing imaging