Super resolution radar device and methods

Patent metadata

Field	Value
Publication number	US-11435472-B1
Application number	US-201916511241-A
Country	US
Kind code	B1
Filing date	Jul 15, 2019
Priority date	Jul 16, 2018
Publication date	Sep 6, 2022
Grant date	Sep 6, 2022

Abstract

A super resolution radar system, the radar system including: at least one antenna; transmission electronics; receiving electronics; and receiving computing electronics, where the transmission electronics is structured to transmit a first electromagnetic wave having an Orbital Angular Momentum wave-front using the antenna, where the transmission electronics is structured to transmit a second electromagnetic wave having a no Orbital Angular Momentum wave-front using a first portion of the antenna, where the receiving electronics is structured to form a first signal from a first return wave of the first electromagnetic wave, where the receiving electronics is structured to form a second signal from a second return wave of the second electromagnetic wave, and where the receiving computing electronics is structured to subtract the first signal from the second signal.

First claim

We claim:

1. A super resolution radar system, the radar system comprising:
at least one antenna;
transmission electronics;
receiving electronics; and
receiving computing electronics,
wherein said transmission electronics is structured to transmit a first electromagnetic wave having an Orbital Angular Momentum wave-front using said antenna,
wherein said transmission electronics is structured to transmit a second electromagnetic wave having a no Orbital Angular Momentum wave-front using a first portion of said antenna,
wherein said receiving electronics is structured to form a first signal from a first return wave of said first electromagnetic wave,
wherein said receiving electronics is structured to form a second signal from a second return wave of said second electromagnetic wave, and
wherein said receiving computing electronics is structured to subtract said first signal from said second signal.

2. The radar system according to claim 1 ,
wherein said antenna is a circular array type comprising at least four leaves.

3. The radar system according to claim 1 ,
wherein said first electromagnetic wave has a first oscillating frequency and said second electromagnetic wave has a second oscillating frequency, and
wherein said receiving electronics is structured to form said first signal from said first return wave and to form said second signal from said second return wave.

4. The radar system according to claim 1 ,
wherein said first electromagnetic wave is transmitted at a first time interval, and said second electromagnetic wave is transmitted at a second time interval.

5. The radar system according to claim 1 ,
wherein said transmission electronics is structured to transmit a third electromagnetic wave using a second portion of said antenna.

6. The radar system according to claim 1 , further comprising:
scanning electronics to support performing space scanning.

7. The radar system according to claim 1 ,
wherein said receiving electronics is configured to receive return signals for radar target distances less than 20 meters.

8. A method for operating a super resolution radar, the method comprising:
providing a supper resolution radar system comprising at least one antenna, transmission electronics, receiving electronics and receiving computing electronics;
forming a first electromagnetic wave comprising an Orbital Angular Momentum wave-front,
wherein said transmission electronics is used to form said first electromagnetic wave;

transmitting said first electromagnetic wave using said antenna;
forming a second electromagnetic wave comprising a no Orbital Angular Momentum wave-front,
wherein said transmission electronics is used to form said second electromagnetic wave;

transmitting said second electromagnetic wave using a first portion of said antenna,
receiving a first return wave of said first electromagnetic wave;
processing said first return wave to form a first signal;
receiving a second return wave of said second electromagnetic wave;
processing said second return wave to form a second signal,
wherein said processing is performed by said receiving electronics; and

subtracting said first signal from said second signal,
wherein said subtracting is performed by said receiving computing electronics.

9. The method according to claim 8 ,
wherein said antenna is a circular array type comprising at least four leaves.

10. The method according to claim 8 ,
wherein said first electromagnetic wave comprises a first oscillating frequency and said second electromagnetic wave comprises a second oscillating frequency.

11. The method according to claim 8 ,
wherein said first electromagnetic wave is transmitted at a first time interval and said second electromagnetic wave is transmitted at a second time interval.

12. The method according to claim 8 ,
wherein said transmission electronics is structured to transmit a third electromagnetic wave using a second portion of said antenna.

13. The method according to claim 8 , further comprising:
performing a scan comprising space scanning electronics.

14. The method according to claim 8 ,
wherein said receiving electronics is configured to receive return signals for radar target distances of less than 20 meters.

15. A super resolution radar system, the radar system comprising:
at least one antenna;
transmission electronics;
receiving electronics; and
receiving computing electronics,
wherein said antenna is a circular array type comprising at least four leaves,
wherein said transmission electronics is structured to transmit a first electromagnetic wave at a first time using all leaves of said antenna forming an Orbital Angular Momentum wave-front,
wherein said transmission electronics is structured to transmit a second electromagnetic wave at a second time,
wherein said transmit a second electromagnetic wave comprises at least one leaf of said antenna switched off,
wherein said receiving electronics is structured to form a first signal from a first return wave of said first electromagnetic wave,
wherein said receiving electronics is structured to form a second signal from a second return wave of said second electromagnetic wave, and
wherein said receiving computing electronics is structured to subtract said first signal from said second signal.

16. The radar system according to claim 15 ,
wherein said first electromagnetic wave comprises a first oscillating frequency and said second electromagnetic wave comprises a second oscillating frequency.

17. The radar system according to claim 15 ,
wherein said first electromagnetic wave is transmitted at a first time interval and said second electromagnetic wave is transmitted at a second time interval.

18. The radar system according to claim 15 ,
wherein said transmission electronics is structured to transmit a third electromagnetic wave using said at least at least one leaf of said antenna.

19. The radar system according to claim 15 , further comprising:
scanning electronics to support performing space scanning.

20. The radar system according to claim 15 ,
wherein said receiving electronics is structured to receive return signals for radar target distances less than 20 meters.

Assignees

• Or Ment Llc
• Monolithic 3D Inc

Inventors

• Or-Bach Zvi

Classifications

• G01S13/89 Primary

  for mapping or imaging · CPC title

• G01S7/026 Primary

  involving the transmission of elliptically or circularly polarised waves · CPC title

• G01S7/03

  Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver · CPC title

• G01S13/931

  of land vehicles · CPC title

• G01S7/024

  using polarisation effects (in waveguides H01P1/165; for aerials H01Q, e.g. H01Q15/22, H01Q15/24, H01Q19/195) · CPC title