GB0900273D0 - A Sonar System - Google Patents
A Sonar SystemInfo
- Publication number
- GB0900273D0 GB0900273D0 GBGB0900273.4A GB0900273A GB0900273D0 GB 0900273 D0 GB0900273 D0 GB 0900273D0 GB 0900273 A GB0900273 A GB 0900273A GB 0900273 D0 GB0900273 D0 GB 0900273D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- sonar system
- sonar
- 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.)
- Granted
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
- 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
- G01S15/52—Discriminating between fixed and moving objects or between objects moving at different speeds
- G01S15/523—Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
- G01S15/526—Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection by comparing echos in different sonar periods
-
- 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
- G01S15/06—Systems determining the position data of a target
- G01S15/08—Systems for measuring distance only
- G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
- G01S15/102—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves using transmission of pulses having some particular characteristics
- G01S15/104—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves using transmission of pulses having some particular characteristics wherein the transmitted pulses use a frequency- or phase-modulated carrier wave
-
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0900273.4A GB2466822B (en) | 2009-01-08 | 2009-01-08 | A Sonar System |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0900273.4A GB2466822B (en) | 2009-01-08 | 2009-01-08 | A Sonar System |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0900273D0 true GB0900273D0 (en) | 2010-03-31 |
GB2466822A GB2466822A (en) | 2010-07-14 |
GB2466822B GB2466822B (en) | 2013-05-29 |
Family
ID=42110399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0900273.4A Active GB2466822B (en) | 2009-01-08 | 2009-01-08 | A Sonar System |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2466822B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2567895B (en) * | 2017-10-31 | 2022-09-14 | Bae Systems Plc | Improvements in and relating to sonar |
CA3080522A1 (en) | 2017-10-31 | 2019-05-09 | Bae Systems Plc | Improvements in and relating to sonar |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3866223A (en) * | 1972-02-01 | 1975-02-11 | Sperry Rand Corp | Multiplicative signal processor for target detection systems with sequential doppler search |
US5212489A (en) * | 1991-03-18 | 1993-05-18 | Hydroacoustics Inc. | Echo ranging system for detecting velocity of targets using composite doppler invariant transmissions |
JP3142364B2 (en) * | 1992-03-31 | 2001-03-07 | 株式会社東芝 | Radar equipment |
JP2002136522A (en) * | 2000-11-02 | 2002-05-14 | Japan Science & Technology Corp | Ultrasonic measuring apparatus |
-
2009
- 2009-01-08 GB GB0900273.4A patent/GB2466822B/en active Active
Also Published As
Publication number | Publication date |
---|---|
GB2466822A (en) | 2010-07-14 |
GB2466822B (en) | 2013-05-29 |
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