Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

The spectrogram correlation and transformation receiver, revisited

H Peremans1, J Hallam

  • 1Barco M. V., R & D Department, Kortrijk, Belgium. herbert.peremans@barco.com

The Journal of the Acoustical Society of America
|August 26, 1998
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

First experimental results and optimization study of the portable neutron-gamma imager GN-Vision.

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine·2025
Same author

An ideal-observer model of human sound localization.

Biological cybernetics·2014
Same author

Translational, rotational, and vibrational coupling into phase in diffractively coupled optical cavities.

Optics letters·2011
Same author

On population encoding and decoding of auditory information for bat echolocation.

Biological cybernetics·2010
Same author

Modelling simultaneous echo waveform reconstruction and localization in bats.

Bio Systems·2010
Same author

Simulated head related transfer function of the phyllostomid bat Phyllostomus discolor.

The Journal of the Acoustical Society of America·2008
Same journal

High-resolution depth estimation for multiple wideband sources in deep sea via sparse Bayesian learninga).

The Journal of the Acoustical Society of America·2026
Same journal

Depression markers in speech: An approach based on tract variables dynamics.

The Journal of the Acoustical Society of America·2026
Same journal

The oyster toadfish (Opsanus tau) alters active and diurnal calling amid vessel noise in New York City.

The Journal of the Acoustical Society of America·2026
Same journal

Experimental noise characterisation of phase-locked tandem-rotor in edgewise flight.

The Journal of the Acoustical Society of America·2026
Same journal

The tune-text-temporal synergy: Prosodic effects of final segmental weakening in Neapolitan.

The Journal of the Acoustical Society of America·2026
Same journal

Monitoring vessel movement above critical offshore infrastructure using distributed acoustic sensing.

The Journal of the Acoustical Society of America·2026
See all related articles

The spectrogram correlation and transformation (SCAT) receiver accurately estimates bat echo arrival times. However, its temporal block fails for short delays (<20µs) or high amplitude ratios (>6dB), and its spectral block falters with over two echoes.

Area of Science:

  • Bioacoustics
  • Animal Echolocation
  • Signal Processing

Background:

  • The spectrogram correlation and transformation (SCAT) receiver is a model for echolocation receivers in FM bats.
  • Understanding bat biosonar requires accurate models of their auditory processing.

Purpose of the Study:

  • To analyze the features of the SCAT receiver model responsible for accurate arrival time estimation of overlapping echoes.
  • To identify the limitations of the SCAT receiver model.

Main Methods:

  • Analysis of the SCAT receiver's temporal and spectral blocks.
  • Investigating performance under varying interecho delays and amplitude ratios.
  • Simulating scenarios with multiple overlapping echoes.

Main Results:

Related Experiment Videos

  • The SCAT receiver's temporal block produces errors for interecho delays below 20 microseconds and amplitude ratios above 6 dB.
  • The spectral block generates spurious arrival times when more than two echoes overlap.
  • Identified specific error characteristics of the SCAT model.

Conclusions:

  • The SCAT receiver model accurately estimates arrival times for certain echo conditions.
  • The identified limitations provide a basis for further research into bat auditory processing.
  • Characteristic measurement errors can refine the SCAT model's biological relevance.