JPS6346384B2 - - Google Patents
Info
- Publication number
- JPS6346384B2 JPS6346384B2 JP53055419A JP5541978A JPS6346384B2 JP S6346384 B2 JPS6346384 B2 JP S6346384B2 JP 53055419 A JP53055419 A JP 53055419A JP 5541978 A JP5541978 A JP 5541978A JP S6346384 B2 JPS6346384 B2 JP S6346384B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- antenna
- pair
- transmitting
- aircraft
- 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
- 238000001228 spectrum Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000005070 sampling Methods 0.000 claims 2
- 230000003213 activating effect Effects 0.000 claims 1
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 238000004364 calculation method Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000005311 autocorrelation function Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- G01S13/605—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 using a pattern, backscattered from the ground, to determine speed or drift by measuring the time required to cover a fixed distance
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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/811,109 US4121210A (en) | 1977-06-29 | 1977-06-29 | Two dimensional MIPS |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5412289A JPS5412289A (en) | 1979-01-29 |
| JPS6346384B2 true JPS6346384B2 (enExample) | 1988-09-14 |
Family
ID=25205587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5541978A Granted JPS5412289A (en) | 1977-06-29 | 1978-05-10 | Speed sensor |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4121210A (enExample) |
| JP (1) | JPS5412289A (enExample) |
| CA (1) | CA1099003A (enExample) |
| DE (1) | DE2828648C2 (enExample) |
| FR (1) | FR2396314A1 (enExample) |
| GB (1) | GB1557023A (enExample) |
| IL (1) | IL53928A (enExample) |
| NO (1) | NO145965C (enExample) |
| SE (1) | SE439551B (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4216473A (en) * | 1978-11-16 | 1980-08-05 | The Singer Company | MIPS Hover attachment |
| JPH0246444U (enExample) * | 1988-09-24 | 1990-03-29 | ||
| RU2149461C1 (ru) * | 1999-05-05 | 2000-05-20 | Военный инженерно-космический университет им. А.Ф. Можайского | Устройство для контроля безопасной дистанции между транспортными средствами |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1067246B (enExample) * | 1957-12-26 | |||
| US3095563A (en) * | 1960-04-28 | 1963-06-25 | Gen Precision Inc | Mixer circuit for radar systems |
| US3247511A (en) * | 1963-11-05 | 1966-04-19 | Lab For Electronics Inc | Doppler radar system |
| US3423752A (en) * | 1966-12-08 | 1969-01-21 | Gen Precision Systems Inc | Triangular linear array configuration |
| JPS4859791A (enExample) * | 1971-11-24 | 1973-08-22 | ||
| US3833906A (en) * | 1972-02-14 | 1974-09-03 | Midwest Microwave Inc | Doppler radar for land vehicles |
| US3838424A (en) * | 1973-02-20 | 1974-09-24 | Singer Co | Microwave interference pattern sensor |
| SE371020B (enExample) * | 1973-06-01 | 1974-11-04 | Jungner Instrument Ab | |
| SE388057B (sv) * | 1974-09-25 | 1976-09-20 | Jungner Instrument Ab | Forfarande och anordning for uppmetning av ett objekts hastighet relativt en referens |
| US3974500A (en) * | 1975-01-13 | 1976-08-10 | The Singer Company | Velocity sensing apparatus |
| US4023171A (en) * | 1975-11-12 | 1977-05-10 | The Singer Company | Microwave velocity sensor using altimeter echo |
-
1977
- 1977-06-29 US US05/811,109 patent/US4121210A/en not_active Expired - Lifetime
-
1978
- 1978-01-25 GB GB3019/78A patent/GB1557023A/en not_active Expired
- 1978-01-30 IL IL53928A patent/IL53928A/xx unknown
- 1978-02-01 CA CA296,007A patent/CA1099003A/en not_active Expired
- 1978-02-24 NO NO780643A patent/NO145965C/no unknown
- 1978-04-03 SE SE7803727A patent/SE439551B/sv not_active IP Right Cessation
- 1978-04-13 FR FR7810972A patent/FR2396314A1/fr active Granted
- 1978-05-10 JP JP5541978A patent/JPS5412289A/ja active Granted
- 1978-06-29 DE DE2828648A patent/DE2828648C2/de not_active Expired
Non-Patent Citations (1)
| Title |
|---|
| IRE TRANSACTIONS ON AERONAUTICAL AND NAVIGATIONAL ELECTRONICS=1957 * |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2396314B1 (enExample) | 1984-02-24 |
| GB1557023A (en) | 1979-12-05 |
| CA1099003A (en) | 1981-04-07 |
| NO145965C (no) | 1982-06-30 |
| DE2828648A1 (de) | 1979-01-11 |
| NO780643L (no) | 1979-01-02 |
| DE2828648C2 (de) | 1986-01-16 |
| JPS5412289A (en) | 1979-01-29 |
| SE439551B (sv) | 1985-06-17 |
| NO145965B (no) | 1982-03-22 |
| IL53928A (en) | 1980-12-31 |
| SE7803727L (sv) | 1978-12-30 |
| US4121210A (en) | 1978-10-17 |
| FR2396314A1 (fr) | 1979-01-26 |
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