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1. (WO2019000047) A SYSTEM AND METHOD OF DETECTING OBJECTS
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Pub. No.: WO/2019/000047 International Application No.: PCT/AU2018/050669
Publication Date: 03.01.2019 International Filing Date: 29.06.2018
IPC:
G01S 13/04 (2006.01) ,G01S 13/38 (2006.01) ,G01S 13/48 (2006.01) ,G01S 13/82 (2006.01)
G PHYSICS
01
MEASURING; TESTING
S
RADIO 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
13
Systems 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
02
Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
04
Systems determining presence of a target
G PHYSICS
01
MEASURING; TESTING
S
RADIO 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
13
Systems 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
02
Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
06
Systems determining position data of a target
08
Systems for measuring distance only
32
using transmission of continuous unmodulated waves, amplitude-, frequency- or phase-modulated waves
36
with phase comparison between the received signal and the contemporaneously transmitted signal
38
wherein more than one modulation frequency is used
G PHYSICS
01
MEASURING; TESTING
S
RADIO 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
13
Systems 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
02
Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
06
Systems determining position data of a target
46
Indirect determination of position data
48
using multiple beams at emission or reception
G PHYSICS
01
MEASURING; TESTING
S
RADIO 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
13
Systems 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
74
Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
82
wherein continuous-type signals are transmitted
Applicants:
SENSING MANAGEMENT PTY LIMITED [AU/AU]; Level 3, 73 Walker Street North Sydney, New South Wales 2060, AU
Inventors:
BROOKER, Graham; AU
JOHNSON, David; AU
MARTINEZ, Javier; AU
Agent:
FB RICE PTY LTD; Level 23, 44 Market St Sydney, New South Wales 2000, AU
Priority Data:
201790251429.06.2017AU
Title (EN) A SYSTEM AND METHOD OF DETECTING OBJECTS
(FR) SYSTÈME ET PROCÉDÉ DE DÉTECTION D’OBJETS
Abstract:
(EN) Object detection systems and methods are provided. An object detection system comprises a plurality of nodes, each node having a transmitter configured to transmit a radar signal as a beam, and one or more receivers configured to receive a reflected radar signal. The nodes and transmitters are arranged such that the radar beam of one transmitter at least partly overlaps with the radar beam from the transmitter at an adjacent one of the nodes. The object detection system comprises a processor configured to receive a digitised signal from each node, process the digitised signal to detect characteristics of any Doppler effects created by the movement of an object through one or more of the radar beams, compare the Doppler characteristics with Doppler signatures associated with known objects, and thereby classify the object.
(FR) La présente invention concerne des systèmes et des procédés de détection d’objets. Un système de détection d’objets comprend une pluralité de nœuds, chaque nœud comportant un émetteur configuré pour émettre un signal radar sous la forme d’un faisceau, et un ou plusieurs récepteurs configurés pour recevoir un signal radar réfléchi. Les nœuds et les émetteurs sont agencés de sorte que le faisceau radar d’un émetteur chevauche au moins partiellement le faisceau radar provenant de l’émetteur au niveau d’un nœud adjacent parmi les nœuds. Le système de détection d’objet comprend un processeur configuré pour recevoir un signal numérisé depuis chaque nœud, traiter le signal numérisé pour détecter des caractéristiques d’éventuels effets Doppler créés par le mouvement d’un objet par l’intermédiaire d’un ou plusieurs des faisceaux radar, comparer les caractéristiques Doppler à des signatures Doppler associées à des objets connus, et classifier ainsi l’objet.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)