JPH0138273B2 - - Google Patents
Info
- Publication number
- JPH0138273B2 JPH0138273B2 JP56210343A JP21034381A JPH0138273B2 JP H0138273 B2 JPH0138273 B2 JP H0138273B2 JP 56210343 A JP56210343 A JP 56210343A JP 21034381 A JP21034381 A JP 21034381A JP H0138273 B2 JPH0138273 B2 JP H0138273B2
- Authority
- JP
- Japan
- Prior art keywords
- azimuth
- range
- doppler frequency
- circuit
- image
- 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
Links
- 238000007906 compression Methods 0.000 claims description 56
- 230000006835 compression Effects 0.000 claims description 53
- 238000012545 processing Methods 0.000 claims description 43
- 230000008859 change Effects 0.000 claims description 41
- 238000004364 calculation method Methods 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000002123 temporal effect Effects 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 7
- 238000001228 spectrum Methods 0.000 claims description 6
- 230000006870 function Effects 0.000 description 68
- 238000012937 correction Methods 0.000 description 20
- 238000000034 method Methods 0.000 description 13
- 238000001914 filtration Methods 0.000 description 8
- 230000004044 response Effects 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000001427 coherent effect Effects 0.000 description 2
- 238000005314 correlation function Methods 0.000 description 2
- 239000013598 vector Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
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- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
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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
- 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 JPS58113876A (ja) | 1983-07-06 |
| JPH0138273B2 true 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) |
Families Citing this family (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
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58113876A (ja) | 1983-07-06 |
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