CA1053361A - Beam former utilizing geometric sampling - Google Patents
Beam former utilizing geometric samplingInfo
- Publication number
- CA1053361A CA1053361A CA250,468A CA250468A CA1053361A CA 1053361 A CA1053361 A CA 1053361A CA 250468 A CA250468 A CA 250468A CA 1053361 A CA1053361 A CA 1053361A
- Authority
- CA
- Canada
- Prior art keywords
- digital
- signal
- coupled
- decoder
- reference signal
- 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
- 238000005070 sampling Methods 0.000 title claims abstract description 18
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000003213 activating effect Effects 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims 1
- 230000005855 radiation Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 5
- 230000004044 response Effects 0.000 description 5
- 230000001934 delay Effects 0.000 description 2
- 230000002688 persistence Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000002592 echocardiography Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001960 triggered 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
- 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
- G01S3/80—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 ultrasonic, sonic or infrasonic waves
- G01S3/802—Systems for determining direction or deviation from predetermined direction
- G01S3/805—Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristics of a transducer or transducer system to give a desired condition of signal derived from that transducer or transducer system, e.g. to give a maximum or minimum signal
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S367/00—Communications, electrical: acoustic wave systems and devices
- Y10S367/905—Side lobe reduction or shading
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Analogue/Digital Conversion (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Radar Systems Or Details Thereof (AREA)
- Measurement Of Radiation (AREA)
- Nuclear Medicine (AREA)
- Radiation Pyrometers (AREA)
- Facsimile Scanning Arrangements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/577,366 US4014023A (en) | 1975-05-14 | 1975-05-14 | Beam former utilizing geometric sampling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1053361A true CA1053361A (en) | 1979-04-24 |
Family
ID=24308397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA250,468A Expired CA1053361A (en) | 1975-05-14 | 1976-04-20 | Beam former utilizing geometric sampling |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4014023A (en, 2012) |
| JP (1) | JPS51140498A (en, 2012) |
| CA (1) | CA1053361A (en, 2012) |
| DE (1) | DE2621580C2 (en, 2012) |
| ES (2) | ES447842A1 (en, 2012) |
| FR (1) | FR2311316A1 (en, 2012) |
| GB (1) | GB1538162A (en, 2012) |
| IT (1) | IT1073749B (en, 2012) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4247900A (en) * | 1976-12-01 | 1981-01-27 | Raytheon Company | Signal combiner with permuted addressing |
| US4198677A (en) * | 1978-01-30 | 1980-04-15 | Exxon Research & Engineering Co. | Method and apparatus for compensating a sensor |
| US4254417A (en) * | 1979-08-20 | 1981-03-03 | The United States Of America As Represented By The Secretary Of The Navy | Beamformer for arrays with rotational symmetry |
| US4420825A (en) * | 1981-05-15 | 1983-12-13 | Sanders Associates, Inc. | Element-sited beamformer |
| JPS5930324A (ja) * | 1982-08-13 | 1984-02-17 | Hitachi Ltd | 画像信号処理回路 |
| US4559605A (en) * | 1983-09-16 | 1985-12-17 | The Boeing Company | Method and apparatus for random array beamforming |
| JPS6250311U (en, 2012) * | 1985-09-18 | 1987-03-28 | ||
| US4857937A (en) * | 1987-12-14 | 1989-08-15 | U.S. Philips Corporation | Data element position indication |
| US5122800A (en) * | 1989-01-26 | 1992-06-16 | Harald Philipp | Variable successive approximation converter |
| JPH0396420A (ja) * | 1989-09-08 | 1991-04-22 | Matsushita Electric Ind Co Ltd | 車輌用空調装置のモータ支持構造 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US546373A (en) * | 1895-09-17 | Latch | ||
| US3255417A (en) * | 1962-07-09 | 1966-06-07 | North American Aviation Inc | Combining circuit |
| US3370267A (en) * | 1965-10-23 | 1968-02-20 | Hughes Aircraft Co | Beam forming system |
| US3686665A (en) * | 1969-12-31 | 1972-08-22 | Leeds & Northrup Co | Digital function generator |
| US3678505A (en) * | 1970-11-09 | 1972-07-18 | Musi Conics Intern Inc | Simultaneous logarithmic conversion and digital display apparatus |
| US3697994A (en) * | 1971-07-19 | 1972-10-10 | Us Navy | Automatic beam steering technique for cylindrical-array radar antennas |
| US3860928A (en) * | 1972-07-03 | 1975-01-14 | Raytheon Co | Super-directive system |
| JPS5051251A (en, 2012) * | 1973-09-05 | 1975-05-08 |
-
1975
- 1975-05-14 US US05/577,366 patent/US4014023A/en not_active Expired - Lifetime
-
1976
- 1976-04-20 CA CA250,468A patent/CA1053361A/en not_active Expired
- 1976-05-05 GB GB18431/76A patent/GB1538162A/en not_active Expired
- 1976-05-11 FR FR7614073A patent/FR2311316A1/fr active Granted
- 1976-05-12 ES ES447842A patent/ES447842A1/es not_active Expired
- 1976-05-12 IT IT49442/76A patent/IT1073749B/it active
- 1976-05-13 JP JP51054784A patent/JPS51140498A/ja active Granted
- 1976-05-14 DE DE2621580A patent/DE2621580C2/de not_active Expired
- 1976-11-05 ES ES453072A patent/ES453072A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES453072A1 (es) | 1977-11-01 |
| JPS6132635B2 (en, 2012) | 1986-07-28 |
| DE2621580C2 (de) | 1984-04-26 |
| FR2311316A1 (fr) | 1976-12-10 |
| US4014023A (en) | 1977-03-22 |
| ES447842A1 (es) | 1977-07-01 |
| IT1073749B (it) | 1985-04-17 |
| DE2621580A1 (de) | 1976-12-02 |
| GB1538162A (en) | 1979-01-10 |
| JPS51140498A (en) | 1976-12-03 |
| FR2311316B1 (en, 2012) | 1984-01-13 |
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