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1. WO2020072041 - SYSTEMS AND METHODS FOR STEREO RADAR TRACKING

Publication Number WO/2020/072041
Publication Date 09.04.2020
International Application No. PCT/US2018/053885
International Filing Date 02.10.2018
IPC
G01S 13/87 2006.01
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
13Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
87Combinations of radar systems, e.g. primary radar and secondary radar
G01S 3/48 2006.01
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
3Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
02using radio waves
14Systems for determining direction or deviation from predetermined direction
46using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
48the waves arriving at the antennas being continuous or intermittent and the phase difference of signals derived therefrom being measured
G01S 13/42 2006.01
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
13Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
06Systems determining position data of a target
42Simultaneous measurement of distance and other coordinates
G01S 13/44 2006.01
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
13Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
06Systems determining position data of a target
42Simultaneous measurement of distance and other coordinates
44Monopulse radar, i.e. simultaneous lobing
CPC
G01S 13/42
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
13Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
06Systems determining position data of a target
42Simultaneous measurement of distance and other co-ordinates
G01S 13/4454
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
13Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
06Systems determining position data of a target
42Simultaneous measurement of distance and other co-ordinates
44Monopulse radar, i.e. simultaneous lobing
4454phase comparisons monopulse, i.e. comparing the echo signals received by an interferometric antenna arrangement
G01S 13/4463
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
13Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
06Systems determining position data of a target
42Simultaneous measurement of distance and other co-ordinates
44Monopulse radar, i.e. simultaneous lobing
4463using phased arrays
G01S 13/46
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
13Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
06Systems determining position data of a target
46Indirect determination of position data
G01S 13/52
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
13Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
50Systems of measurement based on relative movement of target
52Discriminating between fixed and moving objects or between objects moving at different speeds
G01S 13/584
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
13Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
50Systems of measurement based on relative movement of target
58Velocity or trajectory determination systems; Sense-of-movement determination systems
583using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves and based upon the Doppler effect resulting from movement of targets
584adapted for simultaneous range and velocity measurements
Applicants
  • OCULII CORP. [US]/[US]
Inventors
  • HONG, Lang
  • HONG, Steven
Agents
  • SCHOX, Jeffrey
Priority Data
16/149,36902.10.2018US
16/149,38502.10.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SYSTEMS AND METHODS FOR STEREO RADAR TRACKING
(FR) SYSTÈMES ET PROCÉDÉS DE POURSUITE PAR RADAR STÉRÉO
Abstract
(EN)
A method for non-coherent stereo radar tracking includes, at a stereo radar system, transmitting a probe signal, receiving a reflected probe signal in response to reflection of the probe signal by a tracking target, calculating first and second target ranges from the reflected probe signal data, transforming the reflected probe signal data based on the first and second target ranges, and calculating a first target angle from the transformed reflected probe signal data.
(FR)
La présente invention concerne un procédé de poursuite par radar stéréo non cohérent qui comprend, au niveau d’un système radar stéréo, l’émission d’un signal de sonde, la réception d’un signal de sonde réfléchi en réponse à la réflexion du signal de sonde par une cible de poursuite, le calcul de première et deuxième distances cibles à partir des données de signal de sonde réfléchi, la transformation des données de signal de sonde réfléchi sur la base des première et deuxième distances cibles, et le calcul d’un premier angle cible à partir des données de signal de sonde réfléchi transformées.
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