公开(公告)号：WO2022225598A1

公开(公告)日：2022-10-27

申请号：PCT/US2022/016647

申请日：2022-02-16

Applicant: RAYTHEON COMPANY

Inventor： BRAUNREITER, Dennis ,  FREEMAN, Matthew ,  DOUGLAS, Dave S. ,  BONTRAGER, Paul ,  MORALES, Anibal

IPC: G01S3/786 ,  F41G3/16 ,  F41G7/22 ,  F41H13/00 ,  G06T7/246 ,  H04N5/232 ,  F41G5/08

Abstract: A system and method for tracking a target. An acquisition and track sensor (ATS) includes a wide field of view (FOV) camera system continuously capturing an image of the target. The ATS can be a mid-wave infrared tracker. The ATS identifies the target for tracking and cues the target for tracking. A fine track sensor (FTS) includes a narrow FOV camera system. The FTS can be a short-wave infrared tracker. The FTS continuously re-centers the narrow FOV around the target after the target is cued by the ATS. The ATS and FTS include independent steering mechanisms for respective camera systems.

公开(公告)号：WO2021045805A1

公开(公告)日：2021-03-11

申请号：PCT/US2020/029619

申请日：2020-04-23

Applicant: RAYTHEON COMPANY

Inventor： BRAUNREITER, Dennis ,  STONELY, Aaron ,  YOUNG, Daniel

IPC: G02B26/06 ,  F41H13/00 ,  G01S17/66

Abstract: A system includes a high energy laser (HEL) (205) configured to transmit a HEL beam (322) aimed at a first location on an airborne target (240). The system also includes a beacon illuminator laser (BIL) (215) configured to transmit a BEL beam (320) aimed at a second location on the target, wherein the second location is offset from the first location. The system also includes at least one fast steering mirror (FSM) (302, 304) configured to steer the BIL beam to be spatially and angularly offset from the HEL beam. The system also includes at least one Coudé path FSM (312, 314) configured to simultaneously receive both the HEL beam and the BIL beam and steer the HEL beam and the BIL beam to correct for atmospheric jitter of the HEL beam and the BIL beam while maintaining the offset of the BIL beam from the HEL beam.

公开(公告)号：WO2022225601A1

公开(公告)日：2022-10-27

申请号：PCT/US2022/017021

申请日：2022-02-18

Applicant: RAYTHEON COMPANY

Inventor： BRAUNREITER, Dennis ,  DOUGLAS, Dave, S. ,  MORALES, Anibal ,  LO, Thomas

IPC: F41G3/16 ,  F41G7/22 ,  F41H13/00 ,  G01S3/786 ,  G06T7/246 ,  H04N5/232 ,  F41G5/08

Abstract: A system and method for tracking a target. An imaging system continuously captures a plurality of images of the target. A centroid tracker filters clutter and noise from the images, determines a centroid of the target, and generate a plurality of recursive reference images of the target based on the images. A correlator tracker determines a shift between successive images, or recursive references images, of the target, and generates an offset for pointing the target tracking system at the target. The system runs the centroid tracker and correlator tracker simultaneously, monitoring each tracker for failure and regressing to only one tracker when a failure is detector.

公开(公告)号：WO2022225819A1

公开(公告)日：2022-10-27

申请号：PCT/US2022/025052

申请日：2022-04-15

Applicant: RAYTHEON COMPANY

Inventor： BRAUNREITER, Dennis ,  DOUGLAS, Dave ,  MORALES, Anibal

IPC: G06T7/262

Abstract: A method and system for carrying out a method to process a signal includes determining a coverage range for a Fast Fourier Transform (FFT). A number of FFT dimensions are defined for the FFT. Each FFT dimension is swept for searching prime power factors (PPF) and powers of two (PO2) mathematically to yield optimal sized FFTs for all sizes within the coverage range and creating a FFT plan optimizing execution instructions and memory for each combination of PPF and PO2. An index is created having a look-up table mapping each combination of PPF and PO2 to data structures for optimal FFTs, wherein the index includes memory locations for data structures for each optimal FFT. An optimal FFT is selected from the look-up table for the incoming signal.

公开(公告)号：WO2021071556A1

公开(公告)日：2021-04-15

申请号：PCT/US2020/033176

申请日：2020-05-15

Applicant: RAYTHEON COMPANY

Inventor： BRAUNREITER, Dennis ,  YOUNG, Daniel

IPC: F41G3/14 ,  F41H13/00 ,  G01S17/66

Abstract: A system includes a target illumination laser (TIL) (210) configured to illuminate an airborne target (120, 240) with a TIL beam (235). The system also includes a beacon illuminator (BIL) (215) configured to transmit a spot of illumination (245) to an expected location on the target, where the spot of illumination is more focused than the TIL beam. The system further includes a camera (220) configured to receive an image of the spot reflected off the target. In addition, the system includes a controller (230) configured to determine an actual location of the spot on the target based on the received image. The controller is also configured to estimate a spot motion by correlating the actual location of the spot on the target with the expected location on the target. The controller is further configured to predict uplink jitter (316) of a high energy laser (HEL) beam generated by a HEL (205) based on the BIL spot motion, where the uplink jitter is caused by atmospheric optical turbulence (238).