Large resistive vee dipole antenna combined with vee dipole array

1. A radar array comprising:

a panel, the panel comprising a top side and a bottom side;

a plurality of high-frequency antennas coupled into a high-frequency array coupled to the panel;

at least one low-frequency resistive vee dipole transmitting antenna; and

at least one low-frequency resistive vee dipole receiving antenna;

wherein the at least one low-frequency resistive vee dipole transmitting antenna and the at least one low-frequency resistive vee dipole receiving antenna are coupled into a low-frequency array, the low-frequency array being disposed on the panel;

wherein at least one of the plurality of high-frequency antennas is a high-frequency transmitting antenna operable to transmit a first signal having a first center frequency;

wherein the at least one low-frequency resistive vee dipole transmitting antenna is operable to transmit a second signal having a lower center frequency than the first center frequency;

wherein the first center frequency has a value exceeding approximately 500 MHz;

wherein the lower center frequency has a value between approximately 50 MHz and approximately 500 MHz; and

wherein the at least one low-frequency resistive vee dipole transmitting antenna is configured to transmit electromagnetic waves in a direction orthogonal to the electromagnetic waves transmitted by each high-frequency antenna.

2. The radar array of claim 1 ,

wherein the at least one low-frequency resistive vee dipole transmitting antenna is disposed on the top side; and

wherein the at least one low-frequency resistive vee dipole receiving antenna is disposed on the bottom side.

3. The radar array of claim 1 ,

wherein the at least one low-frequency resistive vee dipole receiving antenna is disposed on the top side; and

wherein the at least one low-frequency resistive vee dipole transmitting antenna is disposed on the bottom side.

4. The radar array of claim 1 ,

wherein the at least one low-frequency resistive vee dipole receiving antenna is disposed on the top side; and

wherein the at least one low-frequency resistive vee dipole transmitting antenna is disposed on the top side.

5. The radar array of claim 1 ,

wherein the at least one low-frequency resistive vee dipole receiving antenna is disposed on the bottom side; and

wherein the at least one low-frequency resistive vee dipole transmitting antenna is disposed on the bottom side.

6. The radar array of claim 1 , wherein the plurality of high-frequency antennas are high-frequency resistive vee dipole antennas.

7. The radar array of claim 1 , wherein the panel is mounted to a vehicle.

8. The radar array of claim 7 , wherein the panel has an adjustable orientation.

9. The radar array of claim 1 , wherein the at least one low-frequency resistive vee dipole transmitting antenna and the at least one low-frequency resistive vee dipole receiving antenna are formed on at least one substrate.

10. The radar array of claim 1 ,

wherein the at least one low-frequency resistive vee dipole transmitting antenna comprises at least one pair of transmitting antenna poles; and

wherein the at least one low-frequency resistive vee dipole receiving antenna comprises at least one pair of receiving antenna poles.

11. The radar array of claim 10 , wherein each of the transmitting antenna poles and receiving antenna poles is tapered.

12. The radar array of claim 10 ,

wherein an at least one first angle between each pair of transmitting antenna poles is adjustable; and

wherein an at least one second angle between each pair of receiving antenna poles is adjustable.

13. A radar array comprising:

a panel, the panel comprising a top side and a bottom side;

a plurality of high-frequency antennas coupled into a high-frequency array coupled to the panel;

at least one low-frequency resistive vee dipole transmitting antenna;

at least one low-frequency resistive vee dipole receiving antenna; and

a secondary panel extending downward from the bottom side;

wherein the at least one low-frequency resistive vee dipole transmitting antenna and the at least one low-frequency resistive vee dipole receiving antenna are coupled into a low-frequency array, the low-frequency array being connected to the secondary panel;

wherein at least one of the plurality of high-frequency antennas is a high-frequency transmitting antenna operable to transmit a first signal having a first center frequency;

wherein the at least one low-frequency resistive vee dipole transmitting antenna is operable to transmit a second signal having a lower center frequency than the first center frequency;

wherein the first center frequency has a value exceeding approximately 500 MHz;

wherein the lower center frequency has a value between approximately 50 MHz and approximately 500 MHz; and

wherein the at least one low-frequency resistive vee dipole transmitting antenna is configured to transmit electromagnetic waves in a direction orthogonal to the electromagnetic waves transmitted by each high-frequency antenna.

14. The radar array of claim 13 ,

wherein the secondary panel comprises at least one flat side;

wherein the at least one low-frequency resistive vee dipole transmitting antenna is disposed on the at least one flat side; and

wherein the at least one low-frequency resistive vee dipole receiving antenna is disposed on the at least one flat side.

15. The radar array of claim 13 ,

wherein the at least one low-frequency resistive vee dipole transmitting antenna is disposed inside the secondary panel; and

wherein the at least one low-frequency resistive vee dipole receiving antenna is disposed inside the secondary panel.

16. The radar array of claim 13 ,

wherein the secondary panel comprises a front side and a rear side.

17. The radar array of claim 16 ,

wherein the at least one low-frequency resistive vee dipole transmitting antenna is disposed on the front side; and

wherein the at least one low-frequency resistive vee dipole receiving antenna is disposed on the rear side.

18. The radar array of claim 16 ,

wherein the at least one low-frequency resistive vee dipole receiving antenna is disposed on the front side; and

wherein the at least one low-frequency resistive vee dipole transmitting antenna is disposed on the rear side.

19. The radar array of claim 16 ,

wherein the at least one low-frequency resistive vee dipole receiving antenna is disposed on the front side; and

wherein the at least one low-frequency resistive vee dipole transmitting antenna is disposed on the front side.

20. The radar array of claim 16 ,

wherein the at least one low-frequency resistive vee dipole receiving antenna is disposed on the rear side; and

wherein the at least one low-frequency resistive vee dipole transmitting antenna is disposed on the rear side.

21. The radar array of claim 13 , wherein the plurality of high-frequency antennas are high-frequency resistive vee dipole antennas.

22. The radar array of claim 13 , wherein the panel is mounted to a vehicle.

23. The radar array of claim 22 , wherein the panel has an adjustable orientation.

24. The radar array of claim 13 , wherein the at least one low-frequency resistive vee dipole transmitting antenna and the at least one low-frequency resistive vee dipole receiving antenna are formed on at least one substrate.

25. The radar array of claim 13 ,

wherein the at least one low-frequency resistive vee dipole transmitting antenna comprises at least one pair of transmitting antenna poles; and

wherein the at least one low-frequency resistive vee dipole receiving antenna comprises at least one pair of receiving antenna poles.

26. The radar array of claim 25 , wherein each of the transmitting antenna poles and receiving antenna poles is tapered.

27. The radar array of claim 25 ,

wherein an at least one first angle between each pair of transmitting antenna poles is adjustable; and

wherein an at least one second angle between each pair of receiving antenna poles is adjustable.