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Wet land microwave remote sensing and monitoring method

A remote sensing monitoring and wetland technology, applied in radio wave measurement systems, measurement devices, and radio wave reflection/re-radiation, etc., can solve the problems of low resolution, high cost, poor mobility, etc. The effect of low power consumption

Active Publication Date: 2012-05-30
DALIAN MARITIME UNIVERSITY
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

At present, the use of microwave remote sensing for wetland monitoring in my country is seldom, and the existing microwave sensors have high cost, low resolution and poor mobility.

Method used

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  • Wet land microwave remote sensing and monitoring method
  • Wet land microwave remote sensing and monitoring method
  • Wet land microwave remote sensing and monitoring method

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Embodiment Construction

[0039] The present invention will be further described below in conjunction with the drawings. Such as Figure 1-2 As shown, a wetland microwave remote sensing monitoring method uses the L-band microwave signal provided by the GNSS signal source 1 to receive the direct signal S from the GNSS signal source 1 through the GNSS-R receiver 2 d And the forward scattered signal S containing the information of the ground object after being scattered by the surface of the ground object s , And then transmitted to the data processing analysis system 6 for processing and analysis; the wetland microwave remote sensing monitoring system based on GNSS-R technology, including GNSS signal source 1, GNSS-R receiver 2, mobile platform 3, platform control system 5 and data processing analysis System 6, the GNSS signal source 1 is connected to the GNSS-R receiver 2 through the L-band microwave signal, and the GNSS-R receiver 2 is installed on the mobile platform 3 through the inherent land surface ...

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Abstract

The invention discloses a wet land microwave remote sensing and monitoring method. In the method, based on the L-waveband microwave signal provided by a GNSS signal source, a GNSS-R receiver receivers a direct signal of the GNSS signal source and a forward scattered signal which is scattered by ground features and contains ground feature information and transmits the signals to a data processing and analyzing system for processing and analyzing. As the GNSS signal source of which the signal is received by the GNSS-R receiver is a collection of a plurality of navigation satellite groups and can provide long-term stable free L-waveband signals constantly. Therefore, in wet land monitoring, the GNSS signal source can operate normally for 24 hours in all kinds of weather without being influenced by rain, fog and light. The GNSS-R receiver of the invention is small volume, light in weight, low in power consumption and cheap, so the GNSS-R receiver has low operation cost compared with the conventional optical or microwave sensor.

Description

Technical field [0001] The invention relates to a wetland remote sensing monitoring method, in particular to a wetland microwave remote sensing monitoring method. Background technique [0002] Wetland is known as the "kidney of nature", "biological gene bank" and "cradle of mankind". Wetland is located at the intersection of the biosphere, hydrosphere, lithosphere and atmosphere. It is composed of aquatic life and an over-humid environment. The place where flow and logistics exchange and function. [0003] However, it is true that people pay attention to the latest resource. The United States and other western developed countries only began to pay attention to wetland research in the 1960s. In recent years, the particularity and importance of wetlands have attracted worldwide attention. , Wetland research has become a hot field of current research. [0004] The key to wetland research is to quantitatively obtain and analyze wetland information. Remote sensing technology is an effec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S13/89
Inventor 李颖吴学睿
Owner DALIAN MARITIME UNIVERSITY
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