peter lustig | Saint-Petersburg State University (original) (raw)
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State University of Medicine and Pharmacy Nicolae Testemitanu in Chisinau
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Since October 1985, the automatic indexing system AIR/PHYS has been used in the input production ... more Since October 1985, the automatic indexing system AIR/PHYS has been used in the input production of the physics data base of the Fachinformationszentrum Karlsruhe/West Germany. The texts to be indexed are abstracts written in English. The system of descriptors is prescribed. For the application of the AIR/PHYS system a large-scale dictionary containing more than 600000 word-descriptor relations resp. phrase-descriptor relations
Insectivorous bats are remarkable in that they navigate complex environments in the dark and choo... more Insectivorous bats are remarkable in that they navigate complex environments in the dark and choose the insects they consume while flying at high speeds. Studies have confirmed that various bat species have the ability to distinguish the size, texture and location of objects in complex environments and in total darkness. Theories of how bats locate, identify and capture insects using echolocation have been developed without having examined the actual echoes perceived by a behaving bat. This paper describes our progress toward developing instrumentation intended to provide the first binaural recordings of a bat's auditory experience while behaving in the wild. Our work demonstrates that ultrasonic transducers and associated electronics can be carried by a behaving bat and that the ultrasonic vocalizations can be wirelessly transmitted to a base station for digitization and subsequent analysis.
Since October 1985, the automatic indexing system AIR/PHYS has been used in the input production ... more Since October 1985, the automatic indexing system AIR/PHYS has been used in the input production of the physics data base of the Fachinformationszentrum Karlsruhe/West Germany. The texts to be indexed are abstracts written in English. The system of descriptors is prescribed. For the application of the AIR/PHYS system a large-scale dictionary containing more than 600000 word-descriptor relations resp. phrase-descriptor relations
Insectivorous bats are remarkable in that they navigate complex environments in the dark and choo... more Insectivorous bats are remarkable in that they navigate complex environments in the dark and choose the insects they consume while flying at high speeds. Studies have confirmed that various bat species have the ability to distinguish the size, texture and location of objects in complex environments and in total darkness. Theories of how bats locate, identify and capture insects using echolocation have been developed without having examined the actual echoes perceived by a behaving bat. This paper describes our progress toward developing instrumentation intended to provide the first binaural recordings of a bat's auditory experience while behaving in the wild. Our work demonstrates that ultrasonic transducers and associated electronics can be carried by a behaving bat and that the ultrasonic vocalizations can be wirelessly transmitted to a base station for digitization and subsequent analysis.