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Identification method and system for underwater communication modulation mode based on deep neural network

A technology of deep neural network and modulation mode identification, which is applied in the direction of modulated carrier system, modulation type identification, neural learning method, etc.

Active Publication Date: 2021-08-03
TAISHAN UNIV
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Problems solved by technology

[0004] However, the traditional underwater communication modulation method identification method cannot quickly and accurately judge the current modulation method, so there is an urgent need for an underwater communication modulation method identification method

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  • Identification method and system for underwater communication modulation mode based on deep neural network
  • Identification method and system for underwater communication modulation mode based on deep neural network
  • Identification method and system for underwater communication modulation mode based on deep neural network

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[0029] In order to clearly illustrate the technical features of the solution, the solution will be described below in conjunction with the accompanying drawings and specific implementation methods.

[0030] figure 1 A deep neural network-based underwater communication modulation method identification method provided for the embodiment of the present application, see figure 1 The methods include:

[0031] S101, performing data preprocessing on multiple modulation modes transmitted by underwater communication.

[0032] In the embodiment of the present application, the data format conversion unit converts the data format of the complex number representation mode of various modulation modes into the data format of the corresponding real number form. Normalize the target underwater communication modulation data and the reference underwater communication modulation data. It should be pointed out that the multiple modulation modes transmitted by the underwater communication in the...

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Abstract

This application discloses a deep neural network-based identification method and system for underwater communication modulation modes, which perform data preprocessing on various modulation modes transmitted from underwater communication; each neural network layer in the deep neural network preprocesses data according to the A data feature set is obtained for the data corresponding to the multiple modulation modes, and a communication modulation mode is determined and output according to the third data feature set. The reference underwater communication modulation data and the target underwater communication modulation data are used independently as the input information of the deep neural network. Each neural network layer in the deep neural network acquires the data feature set of the preprocessed data of various modulation modes, and finally obtains the accurate communication modulation mode according to the final acquired data feature set, so as to improve the judgment of the underwater communication modulation mode Accuracy.

Description

technical field [0001] The present application relates to the technical field of underwater communication, in particular to a deep neural network-based identification method and system for underwater communication modulation modes. Background technique [0002] Compared with terrestrial communication, underwater communication has serious signal attenuation due to channel multipath effect, time-varying effect, narrow available bandwidth. Especially in long-distance transmission, high-frequency electromagnetic waves cannot be transmitted underwater for long distances, and only low-frequency sound waves can be used for long-distance underwater transmission. Therefore, how to achieve stable underwater communication has always been a difficult problem. [0003] With the development of communication technology, the efficiency of underwater communication has been improved through high-order modulation methods. With the introduction of high-order modulation, modulation identificat...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L27/00H04B13/02G06N3/08G06N3/04G06K9/62
CPCH04B13/02H04L27/0012G06N3/084G06N3/045G06F18/241
Inventor 王岩肖静孙梅张连杨红芳
Owner TAISHAN UNIV
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