Tag that enhances vehicle radar visibility of objects
Patent
·
OSTI ID:1925125
A tag enhances vehicle radar visibility of objects by increasing the effective radar cross-section of the object, allowing detection at longer ranges and providing the vehicle/driver with more time to avoid a collision. The tag may include a receive antenna and a bandpass filter configured to receive a signal from the receive antenna and to allow a portion of the frequency range of the signal from the receive antenna through. The tag may also include an amplifier configured to receive and amplify the signal with the portion of the frequency range from the bandpass filter. The tag may further include a transmit antenna configured to transmit the amplified signal. The receive antenna, the transmit antenna, and the amplifier may be configured such that antenna-to-antenna isolation between the receive antenna and the transmit antenna is greater than a gain of the amplifier.
- Research Organization:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC52-06NA25396
- Assignee:
- Triad National Security, LLC (Los Alamos, NM)
- Patent Number(s):
- 11,448,749
- Application Number:
- 16/128,123
- OSTI ID:
- 1925125
- Country of Publication:
- United States
- Language:
- English
An 8- to 12-GHz wideband negative resistance reflection amplifier
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