GB9311520D0 - Method of recognition of helicopters through wavelet analysis of the radar signal backscattered by the blades of the main rotor - Google Patents

Method of recognition of helicopters through wavelet analysis of the radar signal backscattered by the blades of the main rotor

Info

Publication number
GB9311520D0
GB9311520D0 GBGB9311520.2A GB9311520A GB9311520D0 GB 9311520 D0 GB9311520 D0 GB 9311520D0 GB 9311520 A GB9311520 A GB 9311520A GB 9311520 D0 GB9311520 D0 GB 9311520D0
Authority
GB
United Kingdom
Prior art keywords
helicopters
blades
recognition
radar signal
main rotor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
GBGB9311520.2A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales SA
Original Assignee
Thomson CSF SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomson CSF SA filed Critical Thomson CSF SA
Publication of GB9311520D0 publication Critical patent/GB9311520D0/en
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/41—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
    • G01S7/415—Identification of targets based on measurements of movement associated with the target

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Radar Systems Or Details Thereof (AREA)
GBGB9311520.2A 1992-06-05 1993-06-04 Method of recognition of helicopters through wavelet analysis of the radar signal backscattered by the blades of the main rotor Ceased GB9311520D0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9206837A FR2849928A1 (en) 1992-06-05 1992-06-05 Helicopter recognizing process, involves effecting time-frequency analysis by transformation of back scattered radar signal to wavelet to detect reflection of main rotor blades in time-frequency space

Publications (1)

Publication Number Publication Date
GB9311520D0 true GB9311520D0 (en) 2004-05-05

Family

ID=32242063

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB9311520.2A Ceased GB9311520D0 (en) 1992-06-05 1993-06-04 Method of recognition of helicopters through wavelet analysis of the radar signal backscattered by the blades of the main rotor

Country Status (3)

Country Link
FR (1) FR2849928A1 (ko)
GB (1) GB9311520D0 (ko)
IT (1) ITTO930399A1 (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102540163A (zh) * 2011-12-12 2012-07-04 中国船舶重工集团公司第七二四研究所 一种基于常规相参雷达的直升机分类识别方法
CN110133600B (zh) * 2019-06-17 2022-11-04 电子科技大学 一种直升机旋翼物理参数提取方法

Also Published As

Publication number Publication date
FR2849928A1 (en) 2004-07-16
ITTO930399A1 (it) 1994-12-04
ITTO930399A0 (ko) 1993-06-04

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)