Combined detection and communication device and method utilizing whale sound

A communication method and whale sound technology, which are applied to measurement devices, use re-radiation, and re-radiation of sound waves, etc., can solve the problem that sonar signals do not have communication, and achieve the effect of improving utilization.

Pending Publication Date: 2018-07-13
TIANJIN UNIV
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Problems solved by technology

[0002] The sonar signals emitted by traditional active sonar platforms can only be used to detect underwater targets, and these sonar signals do not have the function of communication

Method used

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  • Combined detection and communication device and method utilizing whale sound
  • Combined detection and communication device and method utilizing whale sound
  • Combined detection and communication device and method utilizing whale sound

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Embodiment Construction

[0044] The present invention proposes a method and processing technology for combined detection and communication signal utilizing whale sounds; The sound pulses are combined to construct a combined signal waveform; the combined signal waveform can not only be used as an active sonar signal to realize the detection of underwater targets, but also can be used as a communication signal to realize communication between underwater platforms; at the same time , the present invention provides a signal processing method matching the combined waveform described in the present invention.

[0045] The present invention is achieved like this:

[0046] Step 1: The combined detection and communication signal construction method using whale sound is as follows:

[0047] First, generate a duration of length T 1 , the starting frequency is f 1 , the termination frequency is f 2 The sonar signal s 1 (t), then, using this chirp signal s 1 (t) as a sonar signal to realize the active detect...

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Abstract

The invention belongs to the field of target detection and communication and provides a combined detection and communication signal construction method and processing technology utilizing whale sound.A transmitting end is composed of a call pulse library storer, a communication pulse string generator, a combined detection and communication signal generator, a disguising signal generator, a signaltransmitter and a sonar signal generator in sequential connection, and a receiving end is composed of a signal receiver, a low pass filter, a distance and speed estimator, a high pass filter and a communication decoder. The combined detection and communication signal construction method is mainly used for target detection and communication occasions.

Description

technical field [0001] The invention belongs to the field of target detection and communication, in particular to a combined detection and communication signal construction method and processing technology using whale sounds. Background technique [0002] The sonar signals emitted by traditional active sonar platforms can only be used to detect underwater targets, and these sonar signals do not have the function of communication. Therefore, it is necessary to develop a technology for communicating through sonar emission signals. Contents of the invention [0003] In order to overcome the deficiencies in the prior art, the present invention aims to propose a combined detection and communication signal construction method and processing technology utilizing whale sounds. For this reason, the technical scheme that the present invention adopts is, utilizes the combined detection and communication method of whale sound, and the steps are as follows: [0004] Step 1: The combi...

Claims

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Application Information

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IPC IPC(8): G01S15/42G01S15/58H04B11/00
CPCH04B11/00G01S15/42G01S15/58
Inventor 蒋佳佳段发阶王宪全马世雄李春月卜令冉孙中波傅骁黄婷婷
Owner TIANJIN UNIV
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