EXTENDED RANGE TRACKING DOPPLER SONAR
An underwater active sonar system and method for measuring instrument velocity with respect to a boundary surface is disclosed. The system includes an acoustic transducer configured to transmit and receive a plurality of acoustic beams in different directions. The system also includes a processor co...
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| Main Author | |
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| Format | Patent |
| Language | English French |
| Published |
02.08.2019
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| Subjects | |
| Online Access | Get full text |
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| Abstract | An underwater active sonar system and method for measuring instrument velocity with respect to a boundary surface is disclosed. The system includes an acoustic transducer configured to transmit and receive a plurality of acoustic beams in different directions. The system also includes a processor configured to detect a boundary surface within each beam; iteratively filter received acoustic signals backscattered from the transmitted beams with an adaptive filter and associated bandwidth that is successively decreased for each iteration; and measure instrument velocity with respect to the boundary surface. |
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| AbstractList | An underwater active sonar system and method for measuring instrument velocity with respect to a boundary surface is disclosed. The system includes an acoustic transducer configured to transmit and receive a plurality of acoustic beams in different directions. The system also includes a processor configured to detect a boundary surface within each beam; iteratively filter received acoustic signals backscattered from the transmitted beams with an adaptive filter and associated bandwidth that is successively decreased for each iteration; and measure instrument velocity with respect to the boundary surface. |
| Author | TAUDIEN, JERKER |
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| Discipline | Medicine Chemistry Sciences Physics |
| DocumentTitleAlternate | SONAR DOPPLER A SUIVI DE PORTEE ETENDUE |
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| PublicationDate | 20190802 |
| PublicationDateYYYYMMDD | 2019-08-02 |
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| PublicationYear | 2019 |
| RelatedCompanies | TELEDYNE INSTRUMENTS, INC |
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| Snippet | An underwater active sonar system and method for measuring instrument velocity with respect to a boundary surface is disclosed. The system includes an acoustic... |
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| SubjectTerms | ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING |
| Title | EXTENDED RANGE TRACKING DOPPLER SONAR |
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