CA1125419A - Method of correcting doppler navigator - Google Patents
Method of correcting doppler navigatorInfo
- Publication number
- CA1125419A CA1125419A CA281,777A CA281777A CA1125419A CA 1125419 A CA1125419 A CA 1125419A CA 281777 A CA281777 A CA 281777A CA 1125419 A CA1125419 A CA 1125419A
- Authority
- CA
- Canada
- Prior art keywords
- velocity
- beams
- radar
- data
- antenna
- 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
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000012545 processing Methods 0.000 claims abstract description 14
- 239000013598 vector Substances 0.000 claims description 28
- 238000005259 measurement Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010606 normalization Methods 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 2
- 239000000306 component Substances 0.000 description 13
- 230000008569 process Effects 0.000 description 12
- 239000011159 matrix material Substances 0.000 description 10
- 230000009466 transformation Effects 0.000 description 9
- 238000001228 spectrum Methods 0.000 description 8
- 230000000875 corresponding effect Effects 0.000 description 7
- 230000035945 sensitivity Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000014509 gene expression Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- UAGDSHSRQZJWSQ-HYJBFAGTSA-N Radiatin Chemical compound O[C@@H]1[C@@H](C)[C@@H]2C=CC(=O)[C@@]2(C)[C@@H](OC(=O)C(C)=C)[C@@H]2[C@H](C)C(=O)O[C@@H]21 UAGDSHSRQZJWSQ-HYJBFAGTSA-N 0.000 description 1
- UAGDSHSRQZJWSQ-UHFFFAOYSA-N Radiatin Natural products OC1C(C)C2C=CC(=O)C2(C)C(OC(=O)C(C)=C)C2C(C)C(=O)OC21 UAGDSHSRQZJWSQ-UHFFFAOYSA-N 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- JUFPAXGQNKVGNT-UHFFFAOYSA-N dihydrocliviasine Natural products CN1CCC2CC(O)C3OC(O)c4cc5OCOc5cc4C3C12 JUFPAXGQNKVGNT-UHFFFAOYSA-N 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001131 transforming 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
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
- G01S13/60—Velocity or trajectory determination systems; Sense-of-movement determination systems wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track
-
- 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
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/42—Simultaneous measurement of distance and other co-ordinates
- G01S13/44—Monopulse radar, i.e. simultaneous lobing
- G01S13/4472—Monopulse radar, i.e. simultaneous lobing with means specially adapted to airborne monopulse systems
-
- 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
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/42—Simultaneous measurement of distance and other co-ordinates
- G01S13/44—Monopulse radar, i.e. simultaneous lobing
- G01S13/4481—Monopulse hybrid systems, e.g. conopulse
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US71050776A | 1976-08-02 | 1976-08-02 | |
| US710,507 | 1976-08-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1125419A true CA1125419A (en) | 1982-06-08 |
Family
ID=24854328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA281,777A Expired CA1125419A (en) | 1976-08-02 | 1977-06-30 | Method of correcting doppler navigator |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5318396A (enExample) |
| CA (1) | CA1125419A (enExample) |
| DE (1) | DE2734635A1 (enExample) |
| FR (1) | FR2360890A1 (enExample) |
| GB (1) | GB1583406A (enExample) |
| IT (1) | IT1079980B (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2244405A (en) * | 1990-05-22 | 1991-11-27 | Plessey Co Ltd | Airborne radar for speed measurement |
| US7248208B2 (en) * | 2004-06-10 | 2007-07-24 | Honeywell International Inc. | Methods and systems for maintaining a position during hovering operations |
| CN115407285B (zh) * | 2021-05-26 | 2025-08-22 | 北京华航无线电测量研究所 | 一种多普勒雷达测速精度标定方法及装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL231019A (enExample) * | 1957-09-03 | |||
| US3414899A (en) * | 1967-07-18 | 1968-12-03 | Gen Precision Systems Inc | Apparatus for calibrating doppler-inertial navigation systems |
| US3996589A (en) * | 1972-12-22 | 1976-12-07 | Rca Corporation | Monopulse radar system |
| FR2241792B1 (enExample) * | 1973-08-24 | 1976-05-07 | Thomson Csf |
-
1977
- 1977-06-30 CA CA281,777A patent/CA1125419A/en not_active Expired
- 1977-07-19 IT IT5034477A patent/IT1079980B/it active
- 1977-07-22 GB GB3094577A patent/GB1583406A/en not_active Expired
- 1977-07-28 FR FR7723277A patent/FR2360890A1/fr active Granted
- 1977-08-01 DE DE19772734635 patent/DE2734635A1/de not_active Withdrawn
- 1977-08-02 JP JP9291177A patent/JPS5318396A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2360890A1 (fr) | 1978-03-03 |
| FR2360890B1 (enExample) | 1984-04-13 |
| IT1079980B (it) | 1985-05-16 |
| JPS5318396A (en) | 1978-02-20 |
| DE2734635A1 (de) | 1978-03-23 |
| GB1583406A (en) | 1981-01-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |