A method for monitoring production intensity of heat-producing enterprises based on surface temperature data

A technology of surface temperature and production intensity, applied in the application field of spatial information technology, can solve problems such as poor reliability, inability to determine the production intensity of heat-producing enterprises, and discontinuous monitoring time of production status of heat-producing enterprises, so as to achieve the effect of ensuring accuracy

Active Publication Date: 2020-05-08
TWENTY FIRST CENTURY AEROSPACE TECH CO LTD
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Problems solved by technology

[0004] The technical problem to be solved by the present invention is that the production status monitoring time of heat-producing enterprises is discontinuous and the reliability is poor, and it is impossible to determine the production intensity of heat-producing enterprises

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  • A method for monitoring production intensity of heat-producing enterprises based on surface temperature data
  • A method for monitoring production intensity of heat-producing enterprises based on surface temperature data
  • A method for monitoring production intensity of heat-producing enterprises based on surface temperature data

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Embodiment Construction

[0032] Hereinafter, the present invention will be further described in detail with reference to the accompanying drawings by taking MODIS surface temperature data for remote sensing monitoring of the production intensity of some iron and steel plants in Hebei Province as an example.

[0033] Principle of the present invention: The present invention uses long-time series of surface temperature data and vector data to calculate the daytime temperature difference and nighttime temperature difference of heat-producing enterprises, perform linear fitting, and determine the production of heat-producing enterprises by the slope of the linear fitting of daytime temperature difference and nighttime temperature difference strength.

[0034] figure 1 This is a flow chart of the production intensity monitoring method of heat-producing enterprises based on surface temperature data, including the following steps:

[0035] Step 1: Acquire surface temperature data, high-resolution remote sen...

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Abstract

The invention belongs to the application field of spatial information technology, and discloses a method for monitoring the production intensity of a heat-producing enterprise based on surface temperature data. The method includes: 1: acquiring surface temperature data, high-resolution remote sensing images and vector data within the monitoring time period and within the monitoring area; 2: preprocessing the surface temperature data; Calculate the daytime relative temperature and nighttime relative temperature of the heat-producing enterprise based on the average ground temperature in the buffer zone; 4. Select the reference area of ​​the heat-producing enterprise and its buffer zone, and calculate the daytime relative temperature and nighttime relative temperature in the reference area; 5. Calculate the daytime temperature difference of the heat-producing enterprise Linear fitting is performed with the nighttime temperature difference, and the production intensity of heat-producing enterprises is determined by the fitting slope. The invention realizes synchronous monitoring of large areas and multiple targets in a long time range, directly reflects the production intensity of a heat-producing enterprise in a certain period, and ensures the accuracy, continuity and reliability of monitoring results.

Description

technical field [0001] The invention belongs to the application field of spatial information technology, and relates to a method for monitoring the production intensity of a heat-producing enterprise based on surface temperature data. Background technique [0002] Cement, foundry, iron and steel, thermal power, coking and other key heat-producing enterprises, commonly referred to as "elevated source" enterprises, generally emit pollutants through high chimneys, which are heavy polluting industries with relatively large emissions. In addition to emitting a large amount of visible smoke and exhaust gas during production, such enterprises will also generate high heat, which in turn makes the production intensity reflected in the fluctuation of surface temperature. [0003] For the monitoring of production intensity of heat-producing enterprises, conventional methods are mostly based on field survey statistics of enterprises or optical remote sensing methods. Remote sensing met...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01C11/00G01K3/10G06K9/00
CPCG01C11/00G01K3/10G06V20/13
Inventor 何建军文强刘烽陈婷乔月霞周慧勤武文斌
Owner TWENTY FIRST CENTURY AEROSPACE TECH CO LTD
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