[go: up one dir, main page]

Kuc, 2009 - Google Patents

Model predicts bat pinna ridges focus high frequencies to form narrow sensitivity beams

Kuc, 2009

View HTML
Document ID
2758438554774726333
Author
Kuc R
Publication year
Publication venue
The Journal of the Acoustical Society of America

External Links

Snippet

The pinnae of bats contain ridges whose function was previously thought to be structural. This paper suggests that ridges form a reflecting Fresnel lens that focuses high-frequency acoustic signals into the ear canal to form a narrow elevation sensitivity beam. E. fuscus …
Continue reading at pubs.aip.org (HTML) (other versions)

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting, or directing sound
    • G10K11/20—Reflecting arrangements
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting, or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/28—Sound-focusing or directing, e.g. scanning using reflection, e.g. parabolic reflector
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting, or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/30—Sound-focusing or directing, e.g. scanning using refraction, e.g. acoustic lenses
    • 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

Similar Documents

Publication Publication Date Title
Bjelić et al. Microphone array geometry optimization for traffic noise analysis
Foote Discriminating between the nearfield and the farfield of acoustic transducers
Lu et al. Nondiffracting X waves-exact solutions to free-space scalar wave equation and their finite aperture realizations
Esfahlani et al. Exploiting the leaky-wave properties of transmission-line metamaterials for single-microphone direction finding
Yang et al. Acoustic beamforming of a parametric speaker comprising ultrasonic transducers
He et al. A sidelobe suppressing near-field beamforming approach for ultrasound array imaging
US10128576B2 (en) Randomized surface reflector
Byun et al. Array invariant-based calibration of array tilt using a source of opportunity
Zhao et al. Broadband acoustic collimation and focusing using reduced aberration acoustic Luneburg lens
Zhong et al. Quiet zone generation in an acoustic free field using multiple parametric array loudspeakers
Kuc Model predicts bat pinna ridges focus high frequencies to form narrow sensitivity beams
Cardone et al. Design of wide-band arrays for low side-lobe level beam patterns by simulated annealing
Ma et al. A dual-gradient underwater meta-auricle for broadband sound signal enhancement
Cho et al. Adaptive near-field beamforming techniques for sound source imaging
Kuc Bat noseleaf model: echolocation function, design considerations, and experimental verification
Zou et al. Piecewise assembled acoustic arrays based on reconfigurable tessellated structures
Pérez-López et al. On the focusing enhancement of Soret zone plates with ultrasound directional transducers
Jia et al. A method to address beam cross coupling errors in phased array Doppler sonar
CN115240628A (en) A dual-gradient acoustic focusing artificial auricle
Kuc Morphology suggests noseleaf and pinnae cooperate to enhance bat echolocation
Grythe et al. Acoustic camera and beampattern
Hazard et al. Annular array beamforming for 2D arrays with reduced system channels
Kaizuka Microphone array based on tangent line method
Ou et al. A porpoise-inspired receptor to enhance broadband sound reception
Jia et al. Enhanced underwater three-dimensional imaging using acoustic orbital angular momentum waves and mode matching beamforming