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Camouflage hidden underwater communication device for simulating dolphin whistle

An underwater communication and whistle technology, applied in ultrasonic/sonic/infrasonic transmission systems, electrical components, transmission systems, etc., to achieve the effect of improving communication speed and concealment, strong anti-multi-path performance, and reducing difficulty

Active Publication Date: 2017-06-27
HARBIN ENG UNIV
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AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a camouflaged and concealed underwater communication device that simulates the sound of a dolphin whistle, aiming to solve the disadvantage of the node's own position being exposed due to the location of the sound source being determined during the information transmission process of the underwater communication node. Underwater acoustic communication algorithm using hyperbolic FM signal to imitate dolphin whistle to realize camouflage and concealment of underwater communication device

Method used

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  • Camouflage hidden underwater communication device for simulating dolphin whistle
  • Camouflage hidden underwater communication device for simulating dolphin whistle
  • Camouflage hidden underwater communication device for simulating dolphin whistle

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Embodiment Construction

[0019] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0020] The present invention aims to solve the shortcoming that the position of the node itself is exposed due to the location of the sound source being determined during the information transmission process of the underwater communication node. Using the dolphin whistle, a dolphin whistle imitation signal using segmental hyperbolic frequency modulation is used. The camouflaged concealed underwater communication method uses frequency shifting to process the collected bionic signals in segments, and then demodulates the signals through the conventional spread spectrum communication signal demodulation method, thereby realizing underwater camouflaged and concealed communication.

[0021] Step 1: Determine the general model of the communication system.

[0022] The general model of the camouflaged concealed underwater communication metho...

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Abstract

The invention provides a camouflage hidden underwater communication device for simulating dolphin whistle. The camouflage hidden underwater communication device comprises at least two communication nodes; each communication node is composed of a signal sending module, a signal receiving module and a receiving and transmitting integrated transducer; and the signal sending module and the signal receiving module are composed of multiple modules, such as SD cards having a dolphin whistle database. The camouflage hidden underwater communication method for simulating dolphin whistle provided by the invention is simple and high in reliability; the camouflage and the security of communication information are ensured; furthermore, requirements of an underwater hidden communication system can be satisfies; simultaneously, the device in the technical scheme of the invention is convenient to realize; compared with the formed underwater communication device, the device provided by the invention has the characteristics of being small in volume and convenient to carry; and the camouflage hidden underwater communication device provided by the invention is mainly applied to underwater acoustic communication.

Description

technical field [0001] The invention relates to a camouflaged and concealed underwater communication device which simulates the sound of a dolphin whistle, and belongs to the technical field of underwater acoustic communication. Background technique [0002] After decades of development, the underwater communication network has a certain scale and has been widely used. The underwater acoustic communication network is composed of a large number of underwater Modem nodes. Generally, the underwater communication network has the following purposes: (1) information relay transmission (due to the complexity of the underwater communication channel, in order to ensure the quality of communication between the two terminals, two Underwater nodes between terminals carry out information relay transmission); (2) regional monitoring (sensors equipped with monitoring items inside or outside the node device, obtain data through sensors, and transmit the data to the main node, and the main n...

Claims

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Application Information

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IPC IPC(8): H04B13/02H04B11/00
CPCH04B11/00H04B13/02
Inventor 刘凇佐乔钢赵云江
Owner HARBIN ENG UNIV
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