Zobrazeno 1 - 10
of 35
pro vyhledávání: '"N H, Fletcher"'
Publikováno v:
The Journal of the Acoustical Society of America. 111(3)
Free rotational aerophones such as the bullroarer, which consists of a wooden slat whirled around on the end of a string, and which emits a loud pulsating roar, have been used in many ancient and traditional societies for ceremonial purposes. This ar
Publikováno v:
The Journal of experimental biology. 204(Pt 16)
For most insects, size determines the call frequency. This paper describes the acoustics of a small brachypterous cricket (Rufocephalus sp.; body length 9.6 mm) producing a call with a carrier frequency of approximately 3.2 kHz from a subterranean bu
Autor:
N. H. Fletcher, K. G. Hill
Publikováno v:
Journal of Experimental Biology. 72:43-55
The male cicada of the species Cystosoma saundersii has a grossly enlarged, hollow abdomen and emits a loud calling song with a fundamental frequency of about 800 Hz. At the song frequency, its hearing is non-directional. The female of C. saundersii
Autor:
N. H. Fletcher
Publikováno v:
Journal of Applied Physics. 35:234-240