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Calculation method and device for ocean internal wave generation frequency and electronic equipment

A calculation method and wave generation technology, applied in calculation, computer parts, electrical digital data processing, etc., can solve the problems of poor accuracy of the correction value of oceanic internal waves, cannot accurately reflect the frequency of occurrence of oceanic internal waves, etc., so as to improve the accuracy Effect

Active Publication Date: 2021-04-30
NAT SATELLITE OCEAN APPL SERVICE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, in practical applications, the accuracy of the correction value of the frequency of internal ocean waves obtained by the above-mentioned traditional technology is poor, and it cannot accurately reflect the frequency of internal waves in the ocean.

Method used

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  • Calculation method and device for ocean internal wave generation frequency and electronic equipment
  • Calculation method and device for ocean internal wave generation frequency and electronic equipment
  • Calculation method and device for ocean internal wave generation frequency and electronic equipment

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Embodiment 1

[0034] Such as figure 1 as shown, figure 1 A schematic flowchart of a method for calculating the frequency of occurrence of ocean internal waves provided by an embodiment of the present invention, the method includes the following steps:

[0035] Step S101: Obtain the satellite remote sensing data of the target sea area within the target time period and the sea surface roughness data of the target sea area, and the number of working days during which the remote sensing satellite corresponding to the satellite remote sensing data covers the target sea area within the target time period.

[0036] In this embodiment, the remote sensing satellite is equipped with an image acquisition device, and the satellite remote sensing data may include: trajectory data of the remote sensing satellite, on-off time of the image acquisition device, and satellite remote sensing image data. Further, the satellite remote sensing data can be existing historical satellite remote sensing data, used t...

Embodiment 2

[0049] exist figure 1 On the basis of the method shown, the present invention also provides another wave calculation method of the frequency of occurrence in the ocean.

[0050] Firstly, the satellite remote sensing data and sea surface roughness data of the target sea area within the target time period are obtained, and the number of working days during which the remote sensing satellite corresponding to the satellite remote sensing data covers the target sea area within the target time period.

[0051] In one of the possible implementation manners, the sea surface roughness data in the target sea area within the target time period is obtained through the following steps 11-13:

[0052] (11) Obtain sea surface wind speed data in the target sea area within the target time period.

[0053] Here, the sea surface roughness is a quantity describing the roughness of the sea surface, which mainly depends on the interaction between the sea and the air. The traditional sea surface ro...

Embodiment 3

[0078] The embodiment of the present invention also provides a calculation device for the frequency of internal waves in the ocean, such as Figure 5 As shown, it is a schematic diagram of a calculation device for the frequency of occurrence of ocean internal waves provided by an embodiment of the present invention, including:

[0079] The data acquisition module 51 is used to acquire the satellite remote sensing data and sea surface roughness data of the target sea area within the target time period, and the work of the remote sensing satellite corresponding to the satellite remote sensing data covering the target sea area within the target time period number of days.

[0080] The initial value calculation module 52 of the frequency of occurrence of internal ocean waves is used to determine the initial value of the frequency of occurrence of internal ocean waves in the target sea area within the target time period according to the satellite remote sensing data;

[0081] The ...

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Abstract

The invention provides an ocean internal wave generation frequency calculation method and device and electronic equipment, and the method comprises the steps: obtaining the satellite remote sensing data and sea surface roughness data of a target sea area in a target time period, and the number of working days that a remote sensing satellite corresponding to the satellite remote sensing data covers the target sea area in the target time period; determining an initial value of an ocean internal wave generation frequency according to the satellite remote sensing data; and correcting the initial value according to the sea surface roughness data and the working days to obtain a correction value of the occurrence frequency. According to the embodiment of the invention, the ocean internal wave generation frequency determined through satellite remote sensing data is corrected according to the number of working days of the remote sensing satellite and the sea surface roughness data, so that the situation that when the sea surface roughness is within a certain range, a part of strips except the ocean internal wave are formed on the remote sensing image, and the occurrence frequency of the ocean internal waves is not accurately counted can be prevented. Therefore, the accuracy of calculating the frequency of the ocean internal waves is improved.

Description

technical field [0001] The invention relates to the technical field of marine information, in particular to a calculation method, device and electronic equipment for the frequency of occurrence of internal waves in the ocean. Background technique [0002] Oceanic internal wave is an ocean phenomenon, which transmits the energy from the upper layer of the ocean to the deep layer, and brings the colder seawater and nutrients from the deep layer to the warmer shallow layer, which plays a role in the mass, momentum, and energy transport in the ocean. important role. The generation of internal waves in the ocean has a great impact on the development of the industrial and agricultural economy and the military. With the development of society and the improvement of science, more and more attention has been paid to the development, utilization and survey of the ocean. [0003] Satellite optical remote sensing technology has always been an important technical means to explore the l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06F16/587G06F16/58
CPCG06F16/587G06F16/58G06V20/13
Inventor 叶小敏路晓庆鲁云飞邹斌刘宇昕
Owner NAT SATELLITE OCEAN APPL SERVICE
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