Clark et al., 1986 - Google Patents
Measurements of underwater acoustic intensity in the nearfield of a point excited periodically ribbed cylinderClark et al., 1986
- Document ID
- 3796160055089174383
- Author
- Clark A
- Watkinson P
- Publication year
- Publication venue
- Shipboard Acoustics: Proceedings of the 2nd International Symposium on Shipboard Acoustics ISSA’86, The Hague, The Netherlands, October 7–9, 1986
External Links
Snippet
Vibrational energy from a machine mounted onto a hull propagates along the structure and radiates into the fluid. The propagating wavefield is shared between the structure and the fluid, so in order to understand the mechanisms by which energy propagates along the hull …
- 238000005259 measurement 0 title abstract description 28
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/24—Probes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/10—Number of transducers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/04—Wave modes and trajectories
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/38—Seismology; Seismic or acoustic prospecting or detecting specially adapted for water-covered areas
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
- G01N29/46—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by spectral analysis, e.g. Fourier analysis or wavelet analysis
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
-
- 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
- G01S1/72—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 ultrasonic, sonic or infrasonic waves
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5047990A (en) | Underwater acoustic data acquisition system | |
| US4539847A (en) | Acoustic method and apparatus for measuring thickness of a coating layer on a substrate | |
| Williams et al. | Broadband nearfield acoustical holography for vibrating cylinders | |
| Oliveira et al. | Underwater sound propagation modeling in a complex shallow water environment | |
| RU2326408C1 (en) | Method of reconstruction of sea ground terrain at discrete depth measurements by means of hydroacoustics and device for its implementation | |
| Clark et al. | Measurements of underwater acoustic intensity in the nearfield of a point excited periodically ribbed cylinder | |
| Foote et al. | Calibration sphere for low-frequency parametric sonars | |
| Jansen et al. | On the conversion between sound pressure and particle motion | |
| Vyas et al. | Design considerations of parametric arrays | |
| Linné et al. | Development of calibration technique for underwater transducers in free field conditions below 1000 Hz with results on an acoustical recorder | |
| RU2279696C1 (en) | Naval polarization seismic prospecting method | |
| RU2063106C1 (en) | Method for measuring noise-emission pressure level of moving object under sonar testing ground conditions with time-varying transfer function | |
| RU2119728C1 (en) | Method for measuring hydrophone sensitivity in sea | |
| Woodward et al. | A phase steered parametric array for sub-bottom profiling | |
| Voloshchenko et al. | Seadrome: unmanned amphibious aerial vehicle sonar equipment for landing-takeoff and water area navigation | |
| RU2090984C1 (en) | Hydrophone sensitivity measurements on board sea-going ships by method of comparison in low-frequency range | |
| USH1330H (en) | Method of measuring structural intensities in vibrating plate radiators | |
| Trokhan | Forty years of underwater acoustical measurements at VNIIFTRI (all-Russian Institute of physicotechmcal and radio engineering measurements) | |
| Buszman | Examination of acoustic wave propagation in real conditions | |
| McCann | Measurement of the acoustic properties of marine sediments | |
| Jarvis et al. | Coupling and propagation of elastic waves in Artic pack ice | |
| De Billy et al. | On the dispersion of Scholte wave propagating on a layered medium | |
| Everitt et al. | Transducer transmitting sensitivity measurements in restricted environments | |
| Crawford | Submarine radiated noise far-field beam patterns for discrete frequencies from near-field measurements | |
| Holmes et al. | Results from the Nantucket Sound autonomous underwater vehicle towed hydrophone array experiment |