NO128791B - - Google Patents
Download PDFInfo
- Publication number
- NO128791B NO128791B NO04636/68A NO463668A NO128791B NO 128791 B NO128791 B NO 128791B NO 04636/68 A NO04636/68 A NO 04636/68A NO 463668 A NO463668 A NO 463668A NO 128791 B NO128791 B NO 128791B
- Authority
- NO
- Norway
- Prior art keywords
- frequency
- circuit
- signals
- gain control
- signal
- Prior art date
Links
- 238000013016 damping Methods 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 description 17
- 239000004020 conductor Substances 0.000 description 16
- 230000005540 biological transmission Effects 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000006978 adaptation Effects 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 6
- 230000003321 amplification Effects 0.000 description 5
- 238000003199 nucleic acid amplification method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 244000005700 microbiome Species 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 241000828585 Gari Species 0.000 description 1
- 230000018199 S phase Effects 0.000 description 1
- 102100029469 WD repeat and HMG-box DNA-binding protein 1 Human genes 0.000 description 1
- 101710097421 WD repeat and HMG-box DNA-binding protein 1 Proteins 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 1
- 229910002113 barium titanate Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000006880 cross-coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002592 echocardiography Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000000926 separation method Methods 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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/50—Systems of measurement, based on relative movement of the target
- G01S15/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
- G01S15/60—Velocity or trajectory determination systems; Sense-of-movement determination systems wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track
-
- 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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/50—Systems of measurement, based on relative movement of the target
- G01S15/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
- G01S15/582—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of interrupted pulse-modulated waves and based upon the Doppler effect resulting from movement of targets
-
- 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
- G01S7/523—Details of pulse systems
- G01S7/526—Receivers
- G01S7/529—Gain of receiver varied automatically during pulse-recurrence period
-
- 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
- Y10S367/90—Sonar time varied gain control systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US73712368A | 1968-06-14 | 1968-06-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO128791B true NO128791B (es) | 1974-01-07 |
Family
ID=24962674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO04636/68A NO128791B (es) | 1968-06-14 | 1968-11-21 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3491333A (es) |
| DE (1) | DE1904261C3 (es) |
| FR (1) | FR1594201A (es) |
| GB (1) | GB1239466A (es) |
| NO (1) | NO128791B (es) |
| SE (1) | SE352746B (es) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU422241B2 (en) * | 1968-12-23 | 1972-03-09 | The Commonwealth Of Australia | Method of and means for recording characteristics ofthe troposphere |
| US3719923A (en) * | 1969-04-24 | 1973-03-06 | Edo Western Corp | Pulse doppler and navigation system |
| US3648225A (en) * | 1969-12-04 | 1972-03-07 | Sperry Rand Corp | Digital sonar doppler navigator |
| US3754207A (en) * | 1970-06-22 | 1973-08-21 | Inst Francais Du Petrole | Method for directly measuring the distance travelled over by a vehicle moving in a water body, with respect to the submerged ground surface and device therefor |
| FR2096710B1 (es) * | 1970-06-24 | 1974-03-22 | Inst Francais Du Petrole | |
| US3721977A (en) * | 1971-08-26 | 1973-03-20 | Singer Co | Image beam lock-on detector |
| JP5850145B2 (ja) * | 2012-05-07 | 2016-02-03 | 株式会社村田製作所 | 超音波センサ駆動回路 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3028578A (en) * | 1956-05-25 | 1962-04-03 | Varo | Acoustic airspeed indicator |
| GB816716A (en) * | 1956-07-04 | 1959-07-15 | Secr Defence Brit | Doppler radar system |
| US3257638A (en) * | 1962-11-21 | 1966-06-21 | Janus Products Inc | Doppler navigation system |
| NL301217A (es) * | 1963-01-23 | |||
| US3234548A (en) * | 1963-05-16 | 1966-02-08 | Lab For Electronics Inc | Doppler radar system |
| US3217323A (en) * | 1963-08-27 | 1965-11-09 | Gen Precision Inc | Receiver gating circuit |
| US3295127A (en) * | 1965-04-12 | 1966-12-27 | Lab For Electronics Inc | Doppler frequency tracker |
-
1968
- 1968-06-14 US US737123A patent/US3491333A/en not_active Expired - Lifetime
- 1968-09-27 GB GB1239466D patent/GB1239466A/en not_active Expired
- 1968-11-21 NO NO04636/68A patent/NO128791B/no unknown
- 1968-12-06 FR FR1594201D patent/FR1594201A/fr not_active Expired
-
1969
- 1969-01-29 DE DE1904261A patent/DE1904261C3/de not_active Expired
- 1969-02-13 SE SE01966/69A patent/SE352746B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3491333A (en) | 1970-01-20 |
| DE1904261B2 (de) | 1977-08-04 |
| FR1594201A (es) | 1970-06-01 |
| SE352746B (es) | 1973-01-08 |
| DE1904261C3 (de) | 1978-03-30 |
| DE1904261A1 (de) | 1970-02-05 |
| GB1239466A (es) | 1971-07-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5047779A (en) | Aircraft radar altimeter with multiple target tracking capability | |
| CA2082174A1 (en) | High doppler rate high altitude capability coherent pulsed doppler radar altimeter | |
| GB590460A (en) | Improvements in or relating to radio navigational systems | |
| NO128791B (es) | ||
| US3766518A (en) | Apparatus for determining distance | |
| GB2054851A (en) | Echo sounding system with two transmission frequencies | |
| US3617995A (en) | Nonuniform pulse sonar navigation system | |
| US3943482A (en) | Marine mine detector | |
| AU693035B2 (en) | A target persistence and environment filter | |
| US3437987A (en) | Underwater navigation method and system | |
| US4980868A (en) | Sonar system | |
| US3976968A (en) | Underwater target detection apparatus | |
| US3803543A (en) | Remotely formed multibeam hydrophone system | |
| US4322730A (en) | Controlled delay gate stealer | |
| US2698932A (en) | Servomotor control system | |
| US3922630A (en) | Automatic vehicle positioning system | |
| WO1989004975A1 (en) | Transducer device for acoustic log | |
| GB1346106A (en) | Method of and apparatus for measuring distances in water in accordance with the reflected sound beam method | |
| US12007511B2 (en) | Method for using an active sonar with a wide spectral emission band and sonar system | |
| US4204280A (en) | Underwater signal discrimination system | |
| US2659078A (en) | Moving object pulse echo detection system | |
| GB696809A (en) | Improvements in object-locating systems | |
| US2912671A (en) | Velocity measuring method and apparatus | |
| US3337840A (en) | Doppler navigation system for nautical vessels | |
| US4939698A (en) | Sonar system |