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How frequency hopping suppresses pulse-echo ambiguity in bat biosonar
Big brown bats transmit wideband FM biosonar sounds that sweep from 55 to 25 kHz (first harmonic, FM1) and from 110 to 50 kHz (second harmonic, FM2). FM1 is required to perceive echo delay for target ranging; FM2 contributes only if corresponding FM1 frequencies are present. We show that echoes need...
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| Publicat a: | Proc Natl Acad Sci U S A |
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| Autors principals: | , , |
| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
National Academy of Sciences
2020
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| Matèries: | |
| Accés en línia: | https://ncbi.nlm.nih.gov/pmc/articles/PMC7382275/ https://ncbi.nlm.nih.gov/pubmed/32632013 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1073/pnas.2001105117 |
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