Method and device of concealment speed measurement of underwater moving target based on ticking sounds emitted by sperm whale
A technology for underwater moving targets and underwater targets, applied in the field of concealed speed measurement of underwater moving targets, can solve the problems of threats to the viability of speed measuring devices, complex time-frequency characteristics, and no fixed rules, so as to improve the ability of camouflage and concealment, reduce The probability of being intercepted, the effect of improving the camouflage ability
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[0028] In order to overcome the deficiencies of the prior art, the present invention provides a method and device for concealed speed measurement of underwater moving targets based on the ticking sound of sperm whales. It can not only overcome the shortcomings of conventional speed measurement signals that are easy to be detected, identified and positioned, but also realize Covert measurement of the velocity of a moving object.
[0029] The present invention has following advantages: (1) utilize sperm whale tick pulse (as figure 1 As shown) to camouflage the underwater moving target speed measuring device to improve its concealment; (2) to combine the sperm whale tick pulse with the block Doppler speed measuring method ingeniously to realize the concealed and effective measurement of underwater moving targets; (3) Many different ticking pulses are used instead of one or several ticking pulses to realize the measurement of the speed of the underwater moving target, so as to fur...
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