FR2397642B1 - - Google Patents
Info
- Publication number
- FR2397642B1 FR2397642B1 FR7715148A FR7715148A FR2397642B1 FR 2397642 B1 FR2397642 B1 FR 2397642B1 FR 7715148 A FR7715148 A FR 7715148A FR 7715148 A FR7715148 A FR 7715148A FR 2397642 B1 FR2397642 B1 FR 2397642B1
- Authority
- FR
- France
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/80—Jamming or countermeasure characterized by its function
- H04K3/82—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection
- H04K3/825—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection by jamming
-
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/28—Details of pulse systems
- G01S7/285—Receivers
- G01S7/292—Extracting wanted echo-signals
-
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/36—Means for anti-jamming, e.g. ECCM, i.e. electronic counter-counter measures
-
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/42—Diversity systems specially adapted for radar
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/20—Countermeasures against jamming
- H04K3/28—Countermeasures against jamming with jamming and anti-jamming mechanisms both included in a same device or system, e.g. wherein anti-jamming includes prevention of undesired self-jamming resulting from jamming
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/40—Jamming having variable characteristics
- H04K3/42—Jamming having variable characteristics characterized by the control of the jamming frequency or wavelength
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/60—Jamming involving special techniques
- H04K3/65—Jamming involving special techniques using deceptive jamming or spoofing, e.g. transmission of false signals for premature triggering of RCIED, for forced connection or disconnection to/from a network or for generation of dummy target signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/60—Jamming involving special techniques
- H04K3/68—Jamming involving special techniques using passive jamming, e.g. by shielding or reflection
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2622419A DE2622419C3 (de) | 1976-05-20 | 1976-05-20 | Einrichtung zur Verhinderung absichtlicher Störungen von drahtlosen Ortungsund Kommandoübertragungssystemen durch Aussendung systemunabhängiger Signale |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2397642A1 FR2397642A1 (fr) | 1979-02-09 |
FR2397642B1 true FR2397642B1 (fr) | 1982-04-16 |
Family
ID=5978456
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7715148A Granted FR2397642A1 (fr) | 1976-05-20 | 1977-05-17 | Procede et dispositif destines a empecher le brouillage intentionnel des systemes de reperage et de transmission |
Country Status (3)
Country | Link |
---|---|
US (1) | US4143375A (fr) |
DE (1) | DE2622419C3 (fr) |
FR (1) | FR2397642A1 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4397034A (en) * | 1981-03-26 | 1983-08-02 | Sperry Corporation | Low probability of intercept transmitting apparatus |
FR2511771A1 (fr) * | 1981-08-21 | 1983-02-25 | Lmt Radio Professionelle | Procede de protection d'un radar contre les brouillages, et radar pour mettre en oeuvre ce procede |
US4642643A (en) * | 1984-06-07 | 1987-02-10 | The United States Of America As Represented By The Secretary Of The Air Force | Noise jammer discrimination by noise spectral bandwidth |
KR101779694B1 (ko) * | 2016-01-25 | 2017-09-19 | 재단법인대구경북과학기술원 | 유도신호를 통한 항재밍 장치 및 항재밍 방법 |
SE2000153A1 (en) * | 2020-09-08 | 2022-03-09 | Anders Widman | Radar electronic protection method against DRFM false target jamming |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3858219A (en) * | 1955-10-10 | 1974-12-31 | Us Army | Frequency diversity radar |
US3163862A (en) * | 1955-11-09 | 1964-12-29 | Rca Corp | Radar system and component apparatus |
US3866224A (en) * | 1958-10-13 | 1975-02-11 | Us Air Force | Frequency diversity radar system |
US3947848A (en) * | 1962-08-07 | 1976-03-30 | The United States Of America As Represented By The Secretary Of The Navy | Anti-jam dual channel video cancellation circuit for first target tracking system |
US3878525A (en) * | 1965-08-03 | 1975-04-15 | Us Navy | Frequency jumping CW radar |
US3981013A (en) * | 1966-08-31 | 1976-09-14 | The United States Of America As Represented By The Secretary Of The Navy | Non-jammable plural frequency radar system |
US4038659A (en) * | 1966-09-09 | 1977-07-26 | The United States Of America As Represented By The Secretary Of The Air Force | Frequency agility radar |
US3476880A (en) * | 1966-09-30 | 1969-11-04 | Bell Telephone Labor Inc | Transmitting system |
FR2159375B1 (fr) * | 1971-11-09 | 1976-06-04 | Elliott Bros |
-
1976
- 1976-05-20 DE DE2622419A patent/DE2622419C3/de not_active Expired
-
1977
- 1977-05-09 US US05/795,071 patent/US4143375A/en not_active Expired - Lifetime
- 1977-05-17 FR FR7715148A patent/FR2397642A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2622419C3 (de) | 1980-09-11 |
FR2397642A1 (fr) | 1979-02-09 |
US4143375A (en) | 1979-03-06 |
DE2622419A1 (de) | 1977-12-01 |
DE2622419B2 (de) | 1980-01-17 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |