DE2538382A1 - Verfahren zum selektiven abfragen von transpondern und anordnung zur durchfuehrung des verfahrens - Google Patents
Verfahren zum selektiven abfragen von transpondern und anordnung zur durchfuehrung des verfahrensInfo
- Publication number
- DE2538382A1 DE2538382A1 DE19752538382 DE2538382A DE2538382A1 DE 2538382 A1 DE2538382 A1 DE 2538382A1 DE 19752538382 DE19752538382 DE 19752538382 DE 2538382 A DE2538382 A DE 2538382A DE 2538382 A1 DE2538382 A1 DE 2538382A1
- Authority
- DE
- Germany
- Prior art keywords
- pulses
- antennas
- transponder
- predetermined area
- area
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims description 33
- 230000001629 suppression Effects 0.000 claims description 29
- 230000004044 response Effects 0.000 claims description 27
- 230000002123 temporal effect Effects 0.000 claims description 11
- 230000002441 reversible effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 241001120615 Anteon Species 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000002592 echocardiography Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 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
- 230000006870 function Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000000415 inactivating effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000001360 synchronised 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
- G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
- G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
- G01S13/762—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted with special measures concerning the radiation pattern, e.g. S.L.S.
-
- 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
- G01S13/46—Indirect determination of position data
-
- 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
- G01S13/46—Indirect determination of position data
- G01S2013/466—Indirect determination of position data by Trilateration, i.e. two antennas or two sensors determine separately the distance to a target, whereby with the knowledge of the baseline length, i.e. the distance between the antennas or sensors, the position data of the target is determined
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 |
|---|---|---|---|
| GB3750474A GB1523113A (en) | 1974-08-28 | 1974-08-28 | Radar systems |
| GB2548475 | 1975-06-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2538382A1 true DE2538382A1 (de) | 1976-03-11 |
Family
ID=26257705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752538382 Withdrawn DE2538382A1 (de) | 1974-08-28 | 1975-08-28 | Verfahren zum selektiven abfragen von transpondern und anordnung zur durchfuehrung des verfahrens |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4109248A (enExample) |
| DE (1) | DE2538382A1 (enExample) |
| FR (1) | FR2283447A1 (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4804778A (en) * | 1986-10-27 | 1989-02-14 | Mitsubishi Rayon Company, Ltd. | Process for producing methacrylic acid |
| DE102008010882A1 (de) | 2008-02-25 | 2009-09-03 | IAD Gesellschaft für Informatik, Automatisierung und Datenverarbeitung mbH | Vorrichtung und Verfahren zur Richtungsschätzung und/oder Decodierung von Sekundärradarsignalen |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2911313C3 (de) * | 1979-03-22 | 1981-11-05 | Siemens AG, 1000 Berlin und 8000 München | Flughafen-Überwachungssystem |
| FR3075398B1 (fr) * | 2017-12-19 | 2020-01-10 | Thales | Procede de mesure de diagrammes d antenne d un radar secondaire et radar secondaire mettant en oeuvre un tel procede |
| US12276721B2 (en) | 2018-02-14 | 2025-04-15 | Seamatica Aerospace Ltd. | Method and apparatus for determining a position of an airborne vehicle using secondary surveillance radars as beacons |
| US11333750B2 (en) | 2018-02-14 | 2022-05-17 | Seamatica Aerospace Ltd. | Method and system for tracking non-cooperative objects using secondary surveillance radar |
| US12181565B2 (en) | 2018-02-14 | 2024-12-31 | Seamatica Aerospace Ltd. | Aviation detect and avoid method and system |
| US10839179B2 (en) | 2018-10-17 | 2020-11-17 | Vubiq Networks, Inc. | Multimode millimeter wave RFID devices and methods of use thereof |
| CA3060761A1 (en) * | 2018-10-30 | 2020-04-30 | Seamatica Aerospace Ltd. | Improved mode a/c/s transponder positioning system and method for using the same |
| CA3097292A1 (en) | 2019-10-25 | 2021-04-25 | Seamatica Aerospace Ltd. | Method and apparatus for ensuring aviation safety in the presence of ownship aircrafts |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1401273A (en) * | 1971-06-30 | 1975-07-16 | Cossor Ltd A C | Secondary radar receiver system |
| FR2152419B1 (enExample) * | 1971-09-14 | 1974-05-31 | Materiel Telephonique | |
| US3754251A (en) * | 1972-01-17 | 1973-08-21 | Ltv Electrosystems Inc | Anti-synchronous reply circuit |
-
1975
- 1975-08-26 FR FR7526240A patent/FR2283447A1/fr active Granted
- 1975-08-27 US US05/608,214 patent/US4109248A/en not_active Expired - Lifetime
- 1975-08-28 DE DE19752538382 patent/DE2538382A1/de not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4804778A (en) * | 1986-10-27 | 1989-02-14 | Mitsubishi Rayon Company, Ltd. | Process for producing methacrylic acid |
| DE102008010882A1 (de) | 2008-02-25 | 2009-09-03 | IAD Gesellschaft für Informatik, Automatisierung und Datenverarbeitung mbH | Vorrichtung und Verfahren zur Richtungsschätzung und/oder Decodierung von Sekundärradarsignalen |
| US8253622B2 (en) | 2008-02-25 | 2012-08-28 | IAD Gesellschaft für Informatik, Automatisierung und Datenverarbeitung mbH | Device and method for the improved directional estimation and decoding by means of secondary radar signals |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2283447A1 (fr) | 1976-03-26 |
| FR2283447B1 (enExample) | 1980-10-24 |
| US4109248A (en) | 1978-08-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| 8127 | New person/name/address of the applicant |
Owner name: PLESSEY OVERSEAS LTD., ILFORD, ESSEX, GB |
|
| 8128 | New person/name/address of the agent |
Representative=s name: PRINZ, E., DIPL.-ING. HAUSER, G., DIPL.-CHEM. DR.R |
|
| 8139 | Disposal/non-payment of the annual fee |