Journal article
Advantages and Disadvantages of Techniques for Transforming and Analyzing Chiropteran Echolocation Calls
Journal of Mammalogy, Vol.81(4), pp.927-938
2000
Abstract
Bat researchers currently use a variety of techniques that transform echolocation calls into audible frequencies and allow the spectral content of a signal to be viewed and analyzed. All techniques have limitations and an understanding of how each works and the effect on the signal being analyzed are vital for correct interpretation. The 3 most commonly used techniques for transforming frequencies of a call are heterodyne, frequency division, and time expansion. Three techniques for viewing spectral content of a signal are zero-crossing, Fourier analysis, and instantaneous frequency analysis. It is important for bat researchers to be familiar with the advantages and disadvantages of each technique.
Details
- Title
- Advantages and Disadvantages of Techniques for Transforming and Analyzing Chiropteran Echolocation Calls
- Authors
- Stuart Parsons (Author) - University of BristolArjan M Boonman (Author) - University of BristolMartin K Obrist (Author) - Swiss Federal Institute for Forest, Snow and Landscape Research
- Publication details
- Journal of Mammalogy, Vol.81(4), pp.927-938
- Publisher
- Oxford University Press
- DOI
- 10.1644/1545-1542(2000)081<0927:AADOTF>2.0.CO;2
- ISSN
- 1545-1542
- Organisation Unit
- School of Science, Technology and Engineering; University of the Sunshine Coast, Queensland
- Language
- English
- Record Identifier
- 99576106602621
- Output Type
- Journal article
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