NO137979C - Anordning for selvtilpassende utsletting av mottatte stoeysignaler - Google Patents
Anordning for selvtilpassende utsletting av mottatte stoeysignalerInfo
- Publication number
- NO137979C NO137979C NO740176A NO740176A NO137979C NO 137979 C NO137979 C NO 137979C NO 740176 A NO740176 A NO 740176A NO 740176 A NO740176 A NO 740176A NO 137979 C NO137979 C NO 137979C
- Authority
- NO
- Norway
- Prior art keywords
- self
- noise signals
- received noise
- deletion
- adaptive
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0891—Space-time diversity
- H04B7/0894—Space-time diversity using different delays between antennas
-
- 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
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/495—Counter-measures or counter-counter-measures using electronic or electro-optical means
-
- 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
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/537—Counter-measures or counter-counter-measures, e.g. jamming, anti-jamming
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
- H01Q3/2611—Means for null steering; Adaptive interference nulling
- H01Q3/2617—Array of identical elements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/084—Equal gain combining, only phase adjustments
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Signal Processing (AREA)
- Noise Elimination (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7302273A FR2215005B1 (xx) | 1973-01-23 | 1973-01-23 |
Publications (3)
Publication Number | Publication Date |
---|---|
NO740176L NO740176L (no) | 1974-07-24 |
NO137979B NO137979B (no) | 1978-02-20 |
NO137979C true NO137979C (no) | 1978-05-31 |
Family
ID=9113697
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO740176A NO137979C (no) | 1973-01-23 | 1974-01-21 | Anordning for selvtilpassende utsletting av mottatte stoeysignaler |
Country Status (10)
Country | Link |
---|---|
US (1) | US3876947A (xx) |
BE (1) | BE809968A (xx) |
CA (1) | CA1007753A (xx) |
DE (1) | DE2402050C3 (xx) |
FR (1) | FR2215005B1 (xx) |
GB (1) | GB1439302A (xx) |
IT (1) | IT1006143B (xx) |
NL (1) | NL7400881A (xx) |
NO (1) | NO137979C (xx) |
SE (1) | SE389433B (xx) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4134071A (en) * | 1971-07-19 | 1979-01-09 | Licentia Patent-Verwaltungs-G.M.B.H. | SSMA Data transmission system |
US4234883A (en) * | 1974-09-26 | 1980-11-18 | Gte Sylvania Incorporated | Noise adaptive correlator |
US4257048A (en) * | 1974-09-28 | 1981-03-17 | Kokusai Denshin Denwa Kabushiki Kaisha | Antenna system to reduce fading caused by multipath transmission |
US4464768A (en) * | 1975-05-28 | 1984-08-07 | The United States Of America As Represented By The Secretary Of The Navy | Adaptive preprocessing system |
US4459700A (en) * | 1975-05-28 | 1984-07-10 | The United States Of America As Represented By The Secretary Of The Navy | Adaptive MTI system |
US4005426A (en) * | 1975-09-10 | 1977-01-25 | Cutler-Hammer, Inc. | Signal processing method and apparatus |
US4178100A (en) * | 1978-03-29 | 1979-12-11 | Nasa | Distributed-switch Dicke radiometers |
US4334740A (en) * | 1978-09-12 | 1982-06-15 | Polaroid Corporation | Receiving system having pre-selected directional response |
GB2072451B (en) * | 1980-03-24 | 1984-02-29 | Marconi Co Ltd | Signal rank detectors |
US4516126A (en) * | 1982-09-30 | 1985-05-07 | Hazeltine Corporation | Adaptive array having an auxiliary channel notched pattern in the steered beam direction |
GB2141588B (en) * | 1983-06-18 | 1986-08-13 | Standard Telephones Cables Ltd | Adaptive antenna array |
DE3482532D1 (de) * | 1983-07-06 | 1990-07-19 | Secr Defence Brit | Prozessor mit zwangseinstellung. |
IT1170587B (it) * | 1983-12-13 | 1987-06-03 | Selenia Ind Elettroniche | Elaboratore adattivo di segnali radar per la rivelazione dell'eco e la cancellazione del clutter |
JPS60132430A (ja) * | 1983-12-21 | 1985-07-15 | Toshiba Corp | 妨害波除去装置 |
DE3406343A1 (de) * | 1984-02-22 | 1985-08-29 | Messerschmitt-Bölkow-Blohm GmbH, 2800 Bremen | Verfahren zur ortung von signalquellen mit stoersignalunterdrueckung |
WO1986001057A1 (en) * | 1984-07-23 | 1986-02-13 | The Commonwealth Of Australia Care Of The Secretar | Adaptive antenna array |
US4525716A (en) * | 1984-09-10 | 1985-06-25 | At&T Bell Laboratories | Technique for cancelling antenna sidelobes |
GB2169452B (en) * | 1985-01-04 | 1988-06-29 | Stc Plc | Optimization of convergence of sequential decorrelator |
US4697188A (en) * | 1985-02-13 | 1987-09-29 | American Telephone And Telegraph Company, At&T Bell Laboratories | Interference canceler with difference beam |
US4717919A (en) * | 1985-05-28 | 1988-01-05 | Hughes Aircraft Company | Feedback limited adaptive antenna with signal environment power level compensation |
GB2178903B (en) * | 1985-08-07 | 1989-09-20 | Stc Plc | Adaptive antenna |
DE3538649A1 (de) * | 1985-10-31 | 1987-05-07 | Krupp Gmbh | Peilempfaenger |
GB2198914B (en) * | 1986-12-09 | 1990-08-15 | Stc Plc | Signal processing |
GB8817500D0 (en) * | 1988-07-22 | 1988-08-24 | B Kent Plc Ab | Cross-correlation apparatus & methods |
US5343211A (en) * | 1991-01-22 | 1994-08-30 | General Electric Co. | Phased array antenna with wide null |
DE69225510T2 (de) * | 1991-02-28 | 1998-09-10 | Hewlett Packard Co | Modulbauförmiges Antennensystem mit verteilten Elementen |
FR2674346A1 (fr) * | 1991-03-19 | 1992-09-25 | Thomson Csf | Procede de soustraction de bruit pour vehicule sous-marin. |
US5608409A (en) * | 1995-03-28 | 1997-03-04 | Rilling; Kenneth F. | Adaptive array with automatic loop gain control |
US7076228B1 (en) * | 1999-11-10 | 2006-07-11 | Rilling Kenneth F | Interference reduction for multiple signals |
US7103537B2 (en) * | 2000-10-13 | 2006-09-05 | Science Applications International Corporation | System and method for linear prediction |
US6904444B2 (en) | 2001-04-12 | 2005-06-07 | The United States Of America As Represented By The Secretary Of The Navy | Pseudo-median cascaded canceller |
US7167884B2 (en) * | 2002-04-22 | 2007-01-23 | The United States Of America As Represented By The Secretary Of The Navy | Multistage median cascaded canceller |
US8082286B1 (en) | 2002-04-22 | 2011-12-20 | Science Applications International Corporation | Method and system for soft-weighting a reiterative adaptive signal processor |
WO2004040779A2 (en) | 2002-10-25 | 2004-05-13 | Science Applications International Corporation | Adaptive filtering in the presence of multipath |
JP4361093B2 (ja) * | 2004-09-30 | 2009-11-11 | 富士通株式会社 | マルチアンテナ無線システムの増幅器利得制御方法および装置 |
IT1395141B1 (it) * | 2009-08-06 | 2012-09-05 | Siae Microelettronica Spa | Metodo e apparecchiatura per la ricostruzione di segnali multipli ad alta frequenza trasmessi su un unico canale di ponti radio. |
RU2649096C1 (ru) * | 2017-02-27 | 2018-03-29 | Акционерное общество научно-внедренческое предприятие "ПРОТЕК" | Многолучевая антенная система с одним выходом |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1604584A (xx) * | 1968-11-07 | 1971-12-06 | ||
US3598972A (en) * | 1968-12-23 | 1971-08-10 | Texas Instruments Inc | Adaptive weighting in training feedback minimized optimum filters and predictors |
FR2087370A5 (xx) * | 1970-05-15 | 1971-12-31 | Cit Alcatel | |
FR2094293A5 (xx) * | 1970-06-16 | 1972-02-04 | Cit Alcatel | |
FR2105559A5 (xx) * | 1970-09-11 | 1972-04-28 | Thomson Csf |
-
1973
- 1973-01-23 FR FR7302273A patent/FR2215005B1/fr not_active Expired
-
1974
- 1974-01-17 DE DE2402050A patent/DE2402050C3/de not_active Expired
- 1974-01-21 BE BE1005658A patent/BE809968A/xx not_active IP Right Cessation
- 1974-01-21 NO NO740176A patent/NO137979C/no unknown
- 1974-01-22 NL NL7400881A patent/NL7400881A/ not_active Application Discontinuation
- 1974-01-22 SE SE7400800A patent/SE389433B/xx not_active IP Right Cessation
- 1974-01-23 GB GB318574A patent/GB1439302A/en not_active Expired
- 1974-01-23 CA CA190,913A patent/CA1007753A/fr not_active Expired
- 1974-01-23 US US435859A patent/US3876947A/en not_active Expired - Lifetime
- 1974-01-23 IT IT19730/74A patent/IT1006143B/it active
Also Published As
Publication number | Publication date |
---|---|
DE2402050B2 (de) | 1978-06-15 |
IT1006143B (it) | 1976-09-30 |
BE809968A (fr) | 1974-07-22 |
SE389433B (sv) | 1976-11-01 |
DE2402050C3 (de) | 1979-02-08 |
US3876947A (en) | 1975-04-08 |
FR2215005B1 (xx) | 1976-05-14 |
FR2215005A1 (xx) | 1974-08-19 |
NO137979B (no) | 1978-02-20 |
DE2402050A1 (de) | 1974-08-08 |
NL7400881A (xx) | 1974-07-25 |
CA1007753A (fr) | 1977-03-29 |
GB1439302A (en) | 1976-06-16 |
NO740176L (no) | 1974-07-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NO137979C (no) | Anordning for selvtilpassende utsletting av mottatte stoeysignaler | |
SE388693B (sv) | Testrmesor for pavisande av peroxidasaktivitet | |
BR7205789D0 (pt) | Conjunto de aparelhos transmissores de dados | |
SE380418B (sv) | Ljudatergivningsanleggning | |
NO139878C (no) | Fremgangsmaate for overfoering av bredbaandede lydsignaler | |
SE385645B (sv) | Anordning for behandling av videosignaler | |
SE402349B (sv) | Metdon for metning av borrhal | |
SE7513044L (sv) | Anordning for paleggning av tillsatser. | |
SE396028B (sv) | Anordning for tversnittsminskning av strenggods | |
SE390464B (sv) | Videoskivavspelningsanordning | |
BE792364A (fr) | Derives de substitution du sulfonylglycolanilide | |
CS186215B2 (en) | Device for the trensmission of signals | |
BE782296A (fr) | Derives de benzofurane | |
DOP1972001956A (es) | Derivados de acilo. | |
IT1014375B (it) | Dispositivo multiplessatore di segnali numerici | |
IT1011198B (it) | Dispositivo per la trasmissione mascherata di segnali vocali | |
SE399797B (sv) | Anordning for behandling av amplitudmodulerade signaler | |
SE398042B (sv) | Anordning for bearbetning av ekg-signaler | |
BE814136A (fr) | Suppression de signaux sismiques | |
SE402396B (sv) | Anordning for atergivning av videosignaler | |
AR209889A1 (es) | Semi-synthetic penicillins | |
FI55752C (fi) | Foerfarande foer kontrollerande av icke oenskade vaextarter | |
CA927164A (en) | Device for washing of cellulose | |
SE7508246L (sv) | Anordning for kodad overforing av talsignaler. | |
BR7204923D0 (pt) | Instalacao de ciclones hidraulicos |