[go: up one dir, main page]

Roberts, 2020 - Google Patents

Feasibility of Underwater Mems DF Acoustic Sensor for Narrowband Detection

Roberts, 2020

View PDF
Document ID
17534322915953101247
Author
Roberts J
Publication year

External Links

Snippet

A microelectromechanical system (MEMS) based directional sound sensor has been developed to operate both in air and underwater. The sensor consists of two wings that are attached to a substrate using two torsional legs at the middle as detailed in several previous …
Continue reading at apps.dtic.mil (PDF) (other versions)

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS
    • G01V1/00Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/16Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
    • G01V1/20Arrangements of receiving elements, e.g. geophone pattern
    • G01V1/201Constructional details of seismic cables, e.g. streamers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS
    • G01V1/00Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/16Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
    • G01V1/18Receiving elements, e.g. seismometer, geophone or torque detectors, for localised single point measurements
    • G01V1/186Hydrophones
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS
    • G01V1/00Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/38Seismology; Seismic or acoustic prospecting or detecting specially adapted for water-covered areas
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01HMEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00Measuring characteristics of vibrations by using a detector in a fluid
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01HMEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods 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
    • G10K11/18Methods or devices for transmitting, conducting, or directing sound
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01HMEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H11/00Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties, e.g. capacitance or reluctance

Similar Documents

Publication Publication Date Title
Au et al. Principles of marine bioacoustics
Miles et al. A low-noise differential microphone inspired by the ears of the parasitoid fly Ormia ochracea
RU2546997C2 (en) Seismic recording system with rejection of ghost wave and movement
RU2678261C2 (en) Seismic sensor with motion sensors for noise reduction
US20230132220A1 (en) Dual acoustic pressure and hydrophone sensor array system
US20110305108A1 (en) Deghosting using measurement data from seismic sensors
US10310121B2 (en) Seismic sensor devices, systems, and methods including noise filtering
Madhusudhana et al. Choosing equipment for animal bioacoustic research
AU2014323745B2 (en) Acoustic converter, acoustic converter system, optical hydrophone, acoustic converter array and watercraft
Xiao et al. Design and analysis of a flexible hydrophone based on PVDF with aluminum film substrate and PDMS encapsulation
Roberts Feasibility of Underwater Mems DF Acoustic Sensor for Narrowband Detection
Rabelo et al. Electronic phase shift measurement for the determination of acoustic wave DOA using single MEMS biomimetic sensor
Lee et al. A micro-machined piezoelectric flexural-mode hydrophone with air backing: benefit of air backing for enhancing sensitivity
US20230176158A1 (en) Micro-electromechanical Systems (MEMS) Directional Acoustic Sensors for Underwater Operation
Ahmad et al. Design and characterization piezoelectric acoustic transducer for sonar application
Da Re MEMS underwater direction finding acoustic sensor
Celestine Characterization of Bio-Inspired Mems Underwater Acoustic Sensor Using a Standing Wave Tube
Butler et al. Transducers as hydrophones
Herzog Development of an Acoustic Standing Wave Vessel for Directionality Measurements
Swan Bio-inspired MEMS direction finding acoustic sensor for air and underwater applications
Au et al. Measurement and generation of underwater sounds
Sung et al. A micro-machined Tonpilz hydrophone for audible frequency sounds
Park Two Canted Mems Acoustic Sensors for Finding Direction in Underwater
Dong et al. A bio-inspired optical directional microphone with cavity-coupled diaphragms
Collins Bio-Inspired MEMS Direction Finding Underwater Acoustic Sensor