Offshore wind power extraction method and system based on time series radar remote sensing

A technology for offshore wind power and extraction methods, applied in radio wave measurement systems, radio wave reflection/re-radiation, climate sustainability, etc., to achieve high efficiency, accurate and credible extraction results, and reduced extraction errors.

Active Publication Date: 2022-07-12
EAST CHINA NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, there is no research on the identification of global offshore wind power using time-series radar images.

Method used

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  • Offshore wind power extraction method and system based on time series radar remote sensing
  • Offshore wind power extraction method and system based on time series radar remote sensing
  • Offshore wind power extraction method and system based on time series radar remote sensing

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Embodiment 1

[0057] According to a method for extracting offshore wind power based on time series radar remote sensing provided by the present invention, the method includes:

[0058] Step M1: obtaining a synthetic aperture radar image, and preprocessing the synthetic aperture radar image to obtain a preprocessed time series radar image data set;

[0059] Step M2: Determine the study area and create the determined study area as a global coast vector grid;

[0060] Step M3: Based on the global coastal vector grid, the pixel-based dynamic threshold method is used to extract the offshore wind farm;

[0061] Step M4: Extract the construction time of a single wind turbine by using the time series image.

[0062] Specifically, the step M1 includes: updating the orbital state vector of the synthetic aperture radar image, updating the orbital state vector in the abstract metadata of the radar product with the orbital file containing accurate satellite position and velocity information, and removing...

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Abstract

The present invention provides an offshore wind power extraction method and system based on time-series radar remote sensing, including: step M1: acquiring a synthetic aperture radar image, and preprocessing the synthetic aperture radar image to obtain a pre-processed time-series radar image data set; step M2: Determine the study area and create the determined study area as a global coastal vector grid; Step M3: Extract offshore wind farms based on the global coastal vector grid and pixel-based dynamic threshold method; Step M4: Extract a single wind turbine using time series images construction time. The invention extracts offshore wind power based on the time-series synthetic aperture radar image, and effectively avoids the influence of sea surface water vapor and cloud fog on the extraction result.

Description

technical field [0001] The invention relates to the technical field of new energy, in particular, to a method and system for extracting offshore wind power based on time series radar remote sensing. Background technique [0002] Wind energy is an important clean energy, and the development of offshore wind energy resources has become an important engine for global green and sustainable development. A comprehensive and detailed grasp of the distribution and dynamics of offshore wind farms is crucial to ensuring the safety of offshore navigation, maintaining marine biodiversity, scientifically assessing and managing wind energy utilization, and promoting sustainable socio-economic development. [0003] Passive optical imagery, which is widely used today, is often affected by clouds and water vapor in coastal areas, making it difficult to map where wind turbines are installed. [0004] Synthetic aperture radar, on the other hand, has the ability to observe almost all-weather a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S13/90G01S7/292G01S7/35
CPCG01S13/9021G01S7/2923G01S7/354Y02A90/10
Inventor 田波张婷顾靖华睿杰袁庆范惠芳姜文浩张雷
Owner EAST CHINA NORMAL UNIV
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