FR2849928A1 - 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 - Google Patents

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 Download PDF

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Publication number
FR2849928A1
FR2849928A1 FR9206837A FR9206837A FR2849928A1 FR 2849928 A1 FR2849928 A1 FR 2849928A1 FR 9206837 A FR9206837 A FR 9206837A FR 9206837 A FR9206837 A FR 9206837A FR 2849928 A1 FR2849928 A1 FR 2849928A1
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FR
France
Prior art keywords
frequency
time
signal
flash
analysis
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.)
Withdrawn
Application number
FR9206837A
Other languages
English (en)
French (fr)
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 filed Critical
Priority to FR9206837A priority Critical patent/FR2849928A1/fr
Priority to GBGB9311520.2A priority patent/GB9311520D0/en
Priority to IT000399A priority patent/ITTO930399A1/it
Publication of FR2849928A1 publication Critical patent/FR2849928A1/fr
Withdrawn legal-status Critical Current

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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)
FR9206837A 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 Withdrawn FR2849928A1 (en)

Priority Applications (3)

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
GBGB9311520.2A 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
IT000399A ITTO930399A1 (it) 1992-06-05 1993-06-04 Procedimento per il riconoscimento di un elicottero mediante analisi ad ondine del segnale radar retrodiffuso dalle pale del rotore principale.

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
FR2849928A1 true FR2849928A1 (en) 2004-07-16

Family

ID=32242063

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9206837A Withdrawn 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

Country Status (3)

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

Cited By (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
CN110133600A (zh) * 2019-06-17 2019-08-16 电子科技大学 一种直升机旋翼物理参数提取方法

Cited By (3)

* 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
CN110133600A (zh) * 2019-06-17 2019-08-16 电子科技大学 一种直升机旋翼物理参数提取方法
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
ITTO930399A0 (ko) 1993-06-04
GB9311520D0 (en) 2004-05-05
ITTO930399A1 (it) 1994-12-04

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Effective date: 20110531