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FR2935077B1 - Procede pour compresser des donnees issues de signaux a forte dynamique et variance faible - Google Patents

Procede pour compresser des donnees issues de signaux a forte dynamique et variance faible

Info

Publication number
FR2935077B1
FR2935077B1 FR0804603A FR0804603A FR2935077B1 FR 2935077 B1 FR2935077 B1 FR 2935077B1 FR 0804603 A FR0804603 A FR 0804603A FR 0804603 A FR0804603 A FR 0804603A FR 2935077 B1 FR2935077 B1 FR 2935077B1
Authority
FR
France
Prior art keywords
compressing data
low variance
dynamic signals
dynamic
signals
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.)
Active
Application number
FR0804603A
Other languages
English (en)
Other versions
FR2935077A1 (fr
Inventor
Cyril Bergeron
Bars Cedric Le
Laurent Chety
Didier Nicholson
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
Thales 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 Thales SA filed Critical Thales SA
Priority to FR0804603A priority Critical patent/FR2935077B1/fr
Publication of FR2935077A1 publication Critical patent/FR2935077A1/fr
Application granted granted Critical
Publication of FR2935077B1 publication Critical patent/FR2935077B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/50—Conversion to or from non-linear codes, e.g. companding
    • 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
    • G01S13/00—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
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/89—Radar or analogous systems specially adapted for specific applications for mapping or imaging
    • G01S13/90—Radar or analogous systems specially adapted for specific applications for mapping or imaging using synthetic aperture techniques, e.g. synthetic aperture radar [SAR] techniques
    • G01S13/9021—SAR image post-processing techniques
    • G01S13/9027—Pattern recognition for feature extraction
    • 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
    • G01S7/003—Transmission of data between radar, sonar or lidar systems and remote stations

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Electromagnetism (AREA)
  • Nonlinear Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
FR0804603A 2008-08-14 2008-08-14 Procede pour compresser des donnees issues de signaux a forte dynamique et variance faible Active FR2935077B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0804603A FR2935077B1 (fr) 2008-08-14 2008-08-14 Procede pour compresser des donnees issues de signaux a forte dynamique et variance faible

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0804603A FR2935077B1 (fr) 2008-08-14 2008-08-14 Procede pour compresser des donnees issues de signaux a forte dynamique et variance faible

Publications (2)

Publication Number Publication Date
FR2935077A1 FR2935077A1 (fr) 2010-02-19
FR2935077B1 true FR2935077B1 (fr) 2013-08-16

Family

ID=40377120

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0804603A Active FR2935077B1 (fr) 2008-08-14 2008-08-14 Procede pour compresser des donnees issues de signaux a forte dynamique et variance faible

Country Status (1)

Country Link
FR (1) FR2935077B1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1394733B1 (it) * 2009-07-08 2012-07-13 Milano Politecnico Procedimento per il filtraggio di interferogrammi generati da immagini sar acquisite sulla stessa area.
RU2474840C2 (ru) * 2011-01-31 2013-02-10 Федеральное государственное образовательное учреждение высшего профессионального образования "Калининградский пограничный институт Федеральной службы безопасности Российской Федерации" Нелинейный радиолокатор с целеуказателем
RU2450287C1 (ru) * 2011-02-15 2012-05-10 Андрей Владимирович Симонов Способ нелинейной радиолокации
RU2474839C1 (ru) * 2011-07-07 2013-02-10 Открытое акционерное общество "Федеральный научно-производственный центр "Нижегородский научно-исследовательский институт радиотехники" Способ и устройство нелинейной радиолокации
RU2499277C1 (ru) * 2012-07-30 2013-11-20 Федеральное государственное казенное образовательное учреждение высшего профессионального образования "Калининградский пограничный институт Федеральной службы безопасности Российской Федерации" Импульсный нелинейный радиолокатор
RU2505838C1 (ru) * 2012-07-31 2014-01-27 Виктор Михайлович Петров Способ радиолокации объектов с радиопоглощающим покрытием
US10230394B2 (en) 2014-09-19 2019-03-12 Telefonaktiebolaget Lm Ericsson (Publ) Methods for compressing and decompressing IQ data, and associated devices
US11949763B2 (en) * 2020-11-19 2024-04-02 Steradian Semiconductors Private Limited System, device and method for data compression in a radar system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5930077A (ja) * 1982-08-13 1984-02-17 Nec Corp 合成開口レ−ダ装置
US6411740B1 (en) * 1998-11-04 2002-06-25 Sharp Laboratories Of America, Incorporated Method for non-uniform quantization in a resolution hierarchy by use of a nonlinearity
WO2001095496A1 (fr) * 2000-06-06 2001-12-13 Sakai, Yasue Procede et appareil de compression, procede et appareil d'expansion, systeme de compression expansion

Also Published As

Publication number Publication date
FR2935077A1 (fr) 2010-02-19

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