The parallelisms in of sound signal of domestic sheep and Northern fur seals

被引：0
|
作者：
Nikol'skii, A. A. [1 ]
Lisitsyna, T. Yu. [1 ]
机构：
[1] Russian Univ Peoples Friendship, Ecologycal Fac, Moscow 113093, Russia
来源：
ZHURNAL OBSHCHEI BIOLOGII | 2011年 / 72卷 / 01期
关键词：
RECOGNITION;
D O I：
暂无
中图分类号：
Q [生物科学];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The parallelisms in communicative behavior of domestic sheep and Northern fur seals within a herd are accompanied by parallelisms in parameters of sound signal, the calling scream. This signal ensures ties between babies and their mothers at a long distance. The basis of parallelisms is formed by amplitude modulation at two levels: the one being a direct amplitude modulation of the carrier frequency and the other - modulation of the carrier frequency oscillation. Parallelisms in the signal oscillatory process result in corresponding parallelisms in the structure of its frequency spectrum.
引用
收藏
页码：40 / 50
页数：11
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