NL6812918A - - Google Patents
Info
- Publication number
- NL6812918A NL6812918A NL6812918A NL6812918A NL6812918A NL 6812918 A NL6812918 A NL 6812918A NL 6812918 A NL6812918 A NL 6812918A NL 6812918 A NL6812918 A NL 6812918A NL 6812918 A NL6812918 A NL 6812918A
- Authority
- NL
- Netherlands
Links
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
- G01S13/06—Systems determining position data of a target
- G01S13/42—Simultaneous measurement of distance and other co-ordinates
- G01S13/44—Monopulse radar, i.e. simultaneous lobing
- G01S13/4454—Monopulse radar, i.e. simultaneous lobing phase comparisons monopulse, i.e. comparing the echo signals received by an interferometric antenna arrangement
-
- 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
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
-
- 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
- G01S13/42—Simultaneous measurement of distance and other co-ordinates
- G01S13/44—Monopulse radar, i.e. simultaneous lobing
- G01S13/4409—HF sub-systems particularly adapted therefor, e.g. circuits for signal combination
-
- 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
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/04—Details
- G01S3/06—Means for increasing effective directivity, e.g. by combining signals having differently oriented directivity characteristics or by sharpening the envelope waveform of the signal derived from a rotating or oscillating beam antenna
-
- 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
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/14—Systems for determining direction or deviation from predetermined direction
- G01S3/46—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radar Systems Or Details Thereof (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL6812918A NL6812918A (fr) | 1968-09-10 | 1968-09-10 | |
GB44397/69A GB1278665A (en) | 1968-09-10 | 1969-09-09 | Improvements in or relating to direction finding devices |
DE19691945497 DE1945497C (de) | 1968-09-10 | 1969-09-09 | Peilvomchtung |
FR6931273A FR2017750A1 (fr) | 1968-09-10 | 1969-09-10 | |
US856859A US3670332A (en) | 1968-09-10 | 1969-09-10 | Direction finding device |
BE738659D BE738659A (fr) | 1968-09-10 | 1969-09-10 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL6812918A NL6812918A (fr) | 1968-09-10 | 1968-09-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL6812918A true NL6812918A (fr) | 1970-03-12 |
Family
ID=19804608
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6812918A NL6812918A (fr) | 1968-09-10 | 1968-09-10 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3670332A (fr) |
BE (1) | BE738659A (fr) |
FR (1) | FR2017750A1 (fr) |
GB (1) | GB1278665A (fr) |
NL (1) | NL6812918A (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3824596A (en) * | 1972-09-27 | 1974-07-16 | Southwest Res Inst | Automatic sector indicating direction finder system |
US4277788A (en) * | 1978-10-24 | 1981-07-07 | Saab-Scania Ab | Direction determining apparatus responsive to electromagnetic radiation |
US4870420A (en) * | 1985-06-24 | 1989-09-26 | Sanders Associates, Inc. | Signal acquisition apparatus and method |
FR2601460B1 (fr) * | 1986-07-10 | 1988-12-02 | Onera (Off Nat Aerospatiale) | Installation pour la detection et la localisation spatiale par mesure interferometrique, en temps reel et a grande distance, des decharges de foudre |
US4996473A (en) * | 1986-08-18 | 1991-02-26 | Airborne Research Associates, Inc. | Microburst/windshear warning system |
US5237333A (en) * | 1992-07-06 | 1993-08-17 | Westinghouse Electric Corp. | Method and apparatus for ambiguity resolution in a rotating interferometer wheel |
US5754140A (en) * | 1996-07-05 | 1998-05-19 | Sperry Marine Inc. | Beam sharpened, low sidelobe antenna system |
CN109844557B (zh) * | 2016-09-02 | 2023-09-05 | 马维尔亚洲私人有限公司 | 用于确定无线信号的到达角的方法和装置 |
RU2750335C1 (ru) * | 2020-06-30 | 2021-06-28 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный университет телекоммуникаций им. проф. М.А. Бонч-Бруевича" | Способ амплитудно-фазовой пеленгации системой с вращающимися антаннами |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3406393A (en) * | 1967-04-25 | 1968-10-15 | Army Usa | Dual antenna |
-
1968
- 1968-09-10 NL NL6812918A patent/NL6812918A/xx unknown
-
1969
- 1969-09-09 GB GB44397/69A patent/GB1278665A/en not_active Expired
- 1969-09-10 BE BE738659D patent/BE738659A/xx not_active IP Right Cessation
- 1969-09-10 US US856859A patent/US3670332A/en not_active Expired - Lifetime
- 1969-09-10 FR FR6931273A patent/FR2017750A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE1945497B2 (de) | 1972-12-21 |
GB1278665A (en) | 1972-06-21 |
DE1945497A1 (de) | 1970-09-17 |
FR2017750A1 (fr) | 1970-05-22 |
BE738659A (fr) | 1970-02-16 |
US3670332A (en) | 1972-06-13 |