A Spectrum Compensation Method for Infrared Spectrum Correlation Remote Sensing Equipment

Abstract

The invention discloses a spectrum measurement compensation method of infrared spectrum correlation remote sensing equipment. The spectrum measurement compensation method comprises: (1) obtaining theinternal working temperature data Ti of infrared spectrum correlation remote sensing equipment at a time of ti, and obtaining the working temperature change rule of the infrared spectrum correlation remote sensing equipment; (2) collecting the spectrum data obtained by superimposing the internal spectrum and the external spectrum of multiple groups of infrared spectrum correlation remote sensing equipment at a time of ti to obtain the average value of the spectrum data at the temperature; (3) establishing a model for obtaining the internal spectrum of the infrared spectrum correlation remote sensing equipment according to the working temperature change rule and the average value of the spectrum data actually measured at each temperature; (4) solving the model by using a constraint condition to obtain multiple internal spectrums changed along with the temperature Ti; and (5) obtaining the internal spectrum corresponding to the temperature according to the collected internal working temperature of the infrared spectrum correlation remote sensing equipment in the actual external field measurement and the multiple internal spectrums changed along with the temperature Ti, and obtainingthe compensated external spectrum according to the actually measured spectrum data and the internal spectrum corresponding to the temperature.

Description

technical field [0001] The invention belongs to the intersecting technical field of remote sensing equipment and spectrum analysis, and more specifically relates to a spectrum measurement compensation method for infrared spectrum-associated remote sensing equipment. Background technique [0002] Infrared remote sensing spectrum acquisition and analysis technology is one of the fastest-growing qualitative and quantitative analysis technologies, and has been widely used in various fields, especially playing an important role in component identification, fire early warning, and environmental monitoring. [0003] However, in the actual collection of spectra, due to the influence of external conditions such as ambient temperature changes and the heat generated by the power supply of the infrared spectrum-related remote sensing detection instrument itself, it will interfere with the acquisition of spectral information by the map-related remote sensing detection instrument, affectin...

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Problems solved by technology

[0003] However, in the actual collection of spectra, due to the influence of external conditions such as ambient temperature changes and the heat generated by the power supply of the infrared spectrum-related remote sensing detection instrument itself, it will interfere with the acquisition of spectral information by the map-related remote sensing detection instrument, affecting infrared spectrum measurement and targets. recognition accuracy

[0004] As a precise measurement device, the spectrum correlation remote sensing detection instrument is affected by the ambient temperature, which will interfere with the analysis of the spectral curve collected by the instrument.

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