JPH0450544B2 - - Google Patents

Info

Publication number
JPH0450544B2
JPH0450544B2 JP57069195A JP6919582A JPH0450544B2 JP H0450544 B2 JPH0450544 B2 JP H0450544B2 JP 57069195 A JP57069195 A JP 57069195A JP 6919582 A JP6919582 A JP 6919582A JP H0450544 B2 JPH0450544 B2 JP H0450544B2
Authority
JP
Japan
Prior art keywords
image
data
images
change rate
look
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.)
Expired - Lifetime
Application number
JP57069195A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58186068A (ja
Inventor
Koichi Honma
Takanari Hayashi
Fuminobu Furumura
Nobutake Yamagata
Koichi Ihara
Yutaka Kubo
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP57069195A priority Critical patent/JPS58186068A/ja
Publication of JPS58186068A publication Critical patent/JPS58186068A/ja
Publication of JPH0450544B2 publication Critical patent/JPH0450544B2/ja
Granted 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
    • 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
    • G01S13/9004—SAR image acquisition techniques
    • G01S13/9011—SAR image acquisition techniques with frequency domain processing of the SAR signals in azimuth
    • 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
    • G01S13/9004—SAR image acquisition techniques
    • G01S13/9019—Auto-focussing of the SAR signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)
  • Radar Systems Or Details Thereof (AREA)
JP57069195A 1982-04-24 1982-04-24 合成開口レ−ダ画像の焦点化方式 Granted JPS58186068A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57069195A JPS58186068A (ja) 1982-04-24 1982-04-24 合成開口レ−ダ画像の焦点化方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57069195A JPS58186068A (ja) 1982-04-24 1982-04-24 合成開口レ−ダ画像の焦点化方式

Publications (2)

Publication Number Publication Date
JPS58186068A JPS58186068A (ja) 1983-10-29
JPH0450544B2 true JPH0450544B2 (enrdf_load_stackoverflow) 1992-08-14

Family

ID=13395699

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57069195A Granted JPS58186068A (ja) 1982-04-24 1982-04-24 合成開口レ−ダ画像の焦点化方式

Country Status (1)

Country Link
JP (1) JPS58186068A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3332124B2 (ja) * 1994-11-29 2002-10-07 株式会社東芝 レーダ装置

Also Published As

Publication number Publication date
JPS58186068A (ja) 1983-10-29

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