Dual architecture radar

A radar sub-system comprising:

• a first signal generator communicatively couplable to a first antenna via a switch and configured to generate a carrier signal for a pulsed radar signal, wherein the pulsed radar signal is transmitted via the first antenna;
• an image reject mixer configured to receive a reflected signal from a second antenna;
• a second signal generator capable of synthesizing a single fixed frequency or frequency modulated continuous wave signals, the second signal generator communicatively couplable to the first antenna via the switch and coupled to the image reject mixer, the second signal generator configured to:
• generate, when the first signal generator is communicatively coupled to the first antenna, a local oscillator continuous wave signal to the image reject mixer, wherein the local oscillator continuous wave signal is mixed with a reflection of the pulsed radar signal;
• and
• generate, when the second signal generator is communicatively coupled to the first antenna 1) a first frequency modulated continuous wave signal via the first antenna, and 2) a second frequency modulated continuous wave signal to the image reject mixer, wherein the second frequency modulated continuous wave signal is mixed with a reflection of the first frequency modulated continuous wave signal received by the second antenna;
• and
• the switch configured to connect the first antenna to either the first signal generator or the second signal generator.