GB1459266A - Radar systems - Google Patents
Radar systemsInfo
- Publication number
- GB1459266A GB1459266A GB1130974A GB1130974A GB1459266A GB 1459266 A GB1459266 A GB 1459266A GB 1130974 A GB1130974 A GB 1130974A GB 1130974 A GB1130974 A GB 1130974A GB 1459266 A GB1459266 A GB 1459266A
- Authority
- GB
- United Kingdom
- Prior art keywords
- circuit
- interrogation
- radar
- divider
- signals
- 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
- 108010076504 Protein Sorting Signals Proteins 0.000 abstract 2
- RQTDRJMAUKHGHV-UHFFFAOYSA-N P.P.I Chemical compound P.P.I RQTDRJMAUKHGHV-UHFFFAOYSA-N 0.000 abstract 1
- 230000001629 suppression Effects 0.000 abstract 1
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 230000036962 time dependent Effects 0.000 abstract 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
- G01S13/78—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted discriminating between different kinds of targets, e.g. IFF-radar, i.e. identification of friend or foe
- G01S13/781—Secondary Surveillance Radar [SSR] in general
- G01S13/784—Coders or decoders therefor; Degarbling systems; Defruiting 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
- G01S13/08—Systems for measuring distance only
- G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
- G01S13/22—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using irregular pulse repetition frequency
-
- 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
- G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar
- G01S13/872—Combinations of primary radar and secondary radar
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 |
---|---|---|---|
DE19732325617 DE2325617C3 (de) | 1973-05-21 | Verfahren und Anordnung zur Unterscheidung synchroner und nichtsynchroner Sekundärradar-Antwortsignale auf durch Primärradar-Pulsfrequenz-Teilung abgeleitete Abfragesignale |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1459266A true GB1459266A (en) | 1976-12-22 |
Family
ID=5881566
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1130974A Expired GB1459266A (en) | 1973-05-21 | 1974-03-14 | Radar systems |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR2231014B1 (enrdf_load_html_response) |
GB (1) | GB1459266A (enrdf_load_html_response) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3267464A (en) * | 1963-10-30 | 1966-08-16 | Itt | Rapid synchronous time interval detector |
GB1132104A (en) * | 1965-02-18 | 1968-10-30 | Marconi Co Ltd | Improvements in or relating to pulse circuit arrangements |
-
1974
- 1974-03-14 GB GB1130974A patent/GB1459266A/en not_active Expired
- 1974-05-20 FR FR7417475A patent/FR2231014B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2325617A1 (de) | 1974-12-12 |
DE2325617B2 (de) | 1976-12-16 |
FR2231014B1 (enrdf_load_html_response) | 1978-07-07 |
FR2231014A1 (enrdf_load_html_response) | 1974-12-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |