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Issue:
Application of animal sonar signals in torpedoes
Author(s):
ZHU Ye
,
NI BolinReceived Mar. 6
,
1997Revised Dec. 1
,
1997
Pages:
29
-
44
Year:
1999
Issue:
1
Journal:
Acta Acustica
Keyword:
声呐信号
;
鱼雷
;
匹配滤波
;
多普勒频移
;
模糊度函数
;
宽带多普勒
;
目标回波
;
子波变换
;
高频调制
;
不变性
;
Abstract:
通过对动物声呐信号的信息特征分析,指出它是一种特殊包络的双曲调频信号,这种信号不但具有宽带多普勒不变性,而且具有距离延伸不变性,对于亮点检测和识别,还具有最小的时频耦合和模糊。结合近代鱼雷对高速目标的搜索、识别和制导等具体要求,选择适当的波形参数,仿真设计了相应的动物声呐信号,并用自行设计的软件分析和图示其波形的窄带和宽带模糊度、时频分布等特性.
Citations
Busnel B G. Animal sonar systems . . 1966
Busnel& J,Fish J Ed. Animal sonar systems . . 1980
Altes R A et al.J. Acoust . Society of America . 1970
Altes R A.J. Acoust . Society of America . 1975
Boashash B B. Time-frequency signal analysis . . 1992
Zakharia M E,Magend F. ICA . 1992
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