Abstract: Anti-jamming arrays, systems, and methods are disclosed by forming cancellation nulls having an adjustable cancellation bandwidth and/or null depth to assure reception of position, navigation and timing, command and control, or other signals of interest. Signals are matched with respect to time difference of arrival (TDOA) and phase at a combiner to provide enhanced cancellation depth and bandwidth.

Abstract: Anti-jamming arrays, systems, and methods are disclosed by forming cancellation nulls having an adjustable cancellation bandwidth and/or null depth to assure reception of position, navigation and timing, command and control, or other signals of interest. Signals are matched with respect to time difference of arrival (TDOA) and phase at a combiner to provide enhanced cancellation depth and bandwidth.

Abstract: A LIDAR system includes a detector array comprising a first detector region and a second detector region, wherein the first detector region comprises a first detector and the second detector region comprises a second detector, at least one optical element configured to separate light received at the at least one optical element into a first portion and a second portion, incident on the first detector and the second detector, respectively, wherein the at least one optical element is configured to alter a characteristic of the light, and a circuit configured to receive a first detection signal from the first detector responsive to the first portion of the light that is incident thereon and a second detection signal from the second detector responsive to the second portion of the light that is incident thereon, and to generate an improved signal based on the first and second detection signals.

Abstract: A LIDAR system includes a detector array comprising a first detector region and a second detector region, wherein the first detector region comprises a first detector and the second detector region comprises a second detector, at least one optical element configured to separate light received at the at least one optical element into a first portion and a second portion, incident on the first detector and the second detector, respectively, wherein the at least one optical element is configured to alter a characteristic of the light, and a circuit configured to receive a first detection signal from the first detector responsive to the first portion of the light that is incident thereon and a second detection signal from the second detector responsive to the second portion of the light that is incident thereon, and to generate an improved signal based on the first and second detection signals.

Abstract: A radio frequency identification (RFID) tag can include a die attached to an inductive-capacitive (LC) circuit including a capacitive element coupled to an inductive element. The LC circuit can have a resonant frequency that varies according to properties of fluid proximate the RFID tag. The RFID tag can further include a coating material disposed around the die to form an outer surface of the RFID tag. The coating material may have a thickness over a portion of the LC circuit, to permit a conductivity property of a fluid proximate the outer surface to affect the resonant frequency of the LC circuit such that the resonant frequency shifts to a second resonant frequency. Additional apparatus, systems, and methods are disclosed.

Abstract: A radio frequency identification (RFID) tag can include a die attached to an inductive-capacitive (LC) circuit including a capacitive element coupled to an inductive element. The LC circuit can have a resonant frequency that varies according to properties of fluid proximate the RFID tag. The RFID tag can further include a coating material disposed around the die to form an outer surface of the RFID tag. The coating material may have a thickness over a portion of the LC circuit, to permit a conductivity property of a fluid proximate the outer surface to affect the resonant frequency of the LC circuit such that the resonant frequency shifts to a second resonant frequency. Additional apparatus, systems, and methods are disclosed.