JPS58113876A - 合成開口レ−ダオ−トフオ−カス画像処理装置 - Google Patents
合成開口レ−ダオ−トフオ−カス画像処理装置Info
- Publication number
- JPS58113876A JPS58113876A JP56210343A JP21034381A JPS58113876A JP S58113876 A JPS58113876 A JP S58113876A JP 56210343 A JP56210343 A JP 56210343A JP 21034381 A JP21034381 A JP 21034381A JP S58113876 A JPS58113876 A JP S58113876A
- Authority
- JP
- Japan
- Prior art keywords
- azimuth
- image
- circuit
- doppler frequency
- 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.)
- Granted
Links
- 238000012545 processing Methods 0.000 title claims abstract description 51
- 238000007906 compression Methods 0.000 claims description 55
- 230000006835 compression Effects 0.000 claims description 52
- 230000008859 change Effects 0.000 claims description 42
- 238000004364 calculation method Methods 0.000 claims description 18
- 230000002123 temporal effect Effects 0.000 claims description 15
- 238000001228 spectrum Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 abstract description 8
- 239000002131 composite material Substances 0.000 abstract 1
- 230000002596 correlated effect Effects 0.000 abstract 1
- 230000000875 corresponding effect Effects 0.000 abstract 1
- 230000006870 function Effects 0.000 description 63
- 238000012937 correction Methods 0.000 description 19
- 230000005540 biological transmission Effects 0.000 description 14
- 238000000034 method Methods 0.000 description 9
- 230000004044 response Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000001427 coherent effect Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000005314 correlation function Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 241001455214 Acinonyx jubatus Species 0.000 description 1
- 241001057181 Orcus Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012887 quadratic function Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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
- G01S13/9019—Auto-focussing of the SAR signals
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
- G09B9/54—Simulation of radar
Landscapes
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Radar Systems Or Details Thereof (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56210343A JPS58113876A (ja) | 1981-12-28 | 1981-12-28 | 合成開口レ−ダオ−トフオ−カス画像処理装置 |
EP82112066A EP0083107B1 (en) | 1981-12-28 | 1982-12-28 | Synthetic aperture radar image processing system |
US06/454,139 US4594593A (en) | 1981-12-28 | 1982-12-28 | Synthetic aperture radar image processing system |
DE8282112066T DE3279581D1 (en) | 1981-12-28 | 1982-12-28 | Synthetic aperture radar image processing system |
CA000418702A CA1203871A (en) | 1981-12-28 | 1982-12-29 | Synthetic aperture radar image processing system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56210343A JPS58113876A (ja) | 1981-12-28 | 1981-12-28 | 合成開口レ−ダオ−トフオ−カス画像処理装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58113876A true JPS58113876A (ja) | 1983-07-06 |
JPH0138273B2 JPH0138273B2 (enrdf_load_stackoverflow) | 1989-08-11 |
Family
ID=16587828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56210343A Granted JPS58113876A (ja) | 1981-12-28 | 1981-12-28 | 合成開口レ−ダオ−トフオ−カス画像処理装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58113876A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6375686A (ja) * | 1986-09-19 | 1988-04-06 | Tech Res & Dev Inst Of Japan Def Agency | スポツトライトマツピングレ−ダ装置 |
-
1981
- 1981-12-28 JP JP56210343A patent/JPS58113876A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6375686A (ja) * | 1986-09-19 | 1988-04-06 | Tech Res & Dev Inst Of Japan Def Agency | スポツトライトマツピングレ−ダ装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH0138273B2 (enrdf_load_stackoverflow) | 1989-08-11 |
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