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Floating plant radar detection system

A technology for radar detection and floating plants, which is applied in the field of radar detection systems for floating plants, and can solve the problems such as the shortage of fishing power.

Active Publication Date: 2018-08-24
CHENGDU JINJIANG ELECTRONICS SYST ENG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, affected by environmental factors such as hydrology, climate, and geography, the outbreak of water hyacinth is uncertain, resulting in a sudden outbreak of a large number of water hyacinths in certain areas and time periods, and the fishing operations are temporarily stretched.

Method used

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Embodiment Construction

[0103] The technical solution of the present invention is further described in detail below in conjunction with specific examples, but the protection scope of the present invention is not limited to the following description.

[0104] The aquatic plant detection radar adopts a narrow beam in azimuth to realize the minimum resolution unit of the measurement section; a wide beam is used in the elevation angle, and the energy covers the entire measurement section, and the echo intensity of each distance point in the section dimension is measured through a broadband signal. And the area of ​​aquatic plants is determined by the change of echo intensity with or without aquatic plants.

[0105] The radar generates point frequency continuous wave and linear frequency modulation continuous wave signals, of which the point frequency signal is only used for the speed measurement of floating objects on the water surface, and the linear frequency modulation continuous wave signal realizes t...

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Abstract

The invention relates to a floating plant radar detection system. According to the radar based floating growth plant monitoring system, difference in microwave echo intensity between a floater and thewater surface is used, the area of a floating plant flowing through a monitoring point is measured and calculated in real time via high resolution, a growth model of the plant is established according to the areas of the plant through different monitoring points, and prediction and whole basin monitoring are realized.

Description

technical field [0001] The invention relates to the field of aquatic plant regulation, in particular to a radar detection system for aquatic plants. Background technique [0002] Floating plants have always been the focus and difficulty of river regulation, especially the exotic water hyacinth in recent years, which has strong vitality and extremely fast growth. Large pieces of water hyacinth float on the water surface and flow down the river for tens of kilometers. A large part of some water surface is covered by water hyacinth, which not only pollutes the water environment, but also affects the navigation safety of ships, and even enters the landscape waters planned by the municipal government, causing widespread concern in the society. [0003] To this end, relevant departments have carried out relevant rectification work. Including early warning based on ship patrol, vehicle patrol, and video surveillance; clean-up work based on interception and centralized salvage and ...

Claims

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Application Information

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IPC IPC(8): G01S13/88G01S13/58G01S7/35G01S7/41G01S7/02G01S7/03
CPCG01S7/02G01S7/024G01S7/03G01S7/354G01S7/415G01S7/418G01S13/584G01S13/88G01S7/027Y02A40/22
Inventor 陈俊贺立新雷彬董万均董波凌小佳
Owner CHENGDU JINJIANG ELECTRONICS SYST ENG
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