A method for synthesizing and modifying cetacean calls
A modification method and animal technology, applied in ultrasonic/sonic/infrasonic transmission systems, design optimization/simulation, electrical components, etc., can solve the problems of imitation, low degree of freedom of FM signal model, and inability to achieve high tonalsound similarity, etc. The effect of improving concealment, strong versatility, and improving underwater communication and underwater detection performance
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[0093] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0094] The invention provides a method for synthesizing and modifying cetacean calls, which can simultaneously meet the requirements of effectiveness and concealment of bionic camouflage concealed underwater acoustic detection and communication.
[0095] figure 1 Among them, the present invention provides the waveforms and time-frequency diagrams of six types of cetacean tonal sound. According to the time-frequency profile of tonalsound, tonal sound can be divided into constant frequency type 1, up-frequency type 2, down-frequency type 3, and concave type 4 , convex type 5 and sinusoidal type 6 these six categories. Among them, the frequency of constant frequency type 1 basically do...
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