Spectrum super-resolution method of handheld light source color illumination photometry meter

A hand-held technology for illuminance measurement, which is applied in the field of spectral super-resolution of hand-held light source color illuminance measuring instruments, and can solve problems such as measurement spectral line distortion, seriousness, and light source color parameter errors

Inactive Publication Date: 2014-12-24
HANGZHOU CHNSPEC TECH
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Problems solved by technology

However, when the spectral resolution of the instrument is low, when measuring a spectrum with a sharp shape change like LED, the measured

Method used

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  • Spectrum super-resolution method of handheld light source color illumination photometry meter
  • Spectrum super-resolution method of handheld light source color illumination photometry meter
  • Spectrum super-resolution method of handheld light source color illumination photometry meter

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Embodiment Construction

[0067] Control group:

[0068] The control group did not use the super-resolution method, and directly calibrated the relative radiation of the hand-held spectroscopic color illuminance measuring instrument. During the relative radiation calibration process, it is necessary to use the calibrated instrument and the standard instrument to measure the calibration light source 2 at the same time. The test result of the calibrated instrument is the sampling signal output by the AD converter in the circuit; the measurement result of the standard instrument is the real spectral radiation intensity. The purpose of calibration is to establish the corresponding relationship between the AD sampling signal of the calibrated instrument and the standard spectral radiation intensity.

[0069] The calibration process is generally as follows: use the calibrated instrument and the standard instrument to measure the calibration light source 2 at the same time, and obtain two sets of measurement...

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Abstract

The invention discloses a spectrum super-resolution method of a handheld light source color illumination photometry meter and relates to the technical field of color illumination photometry. The spectrum super-resolution method includes steps of 1) measuring and calculating spectral path point spread functions of the handheld light source color illumination photometry meter; 2) subjecting signals obtained by measuring of an optical spectrum instrument to super-resolution operation. The spectrum super-resolution method has the advantages that under a monochromater, linear relation between sampling results of the meter and measuring results of a standard instrument is improved; under the condition of different shapes of spectrums, influence on test results from response function of the meter is reduced; spectrum resolution of the meter is improved, and measuring error due to different spectral resolutions is effectively reduced.

Description

technical field [0001] The invention relates to the technical field of color illuminance measurement, in particular to a spectral super-resolution method for a hand-held light source color illuminance measuring instrument. Background technique [0002] Generally, there are two types of photoelectric integral and spectroscopic methods for measuring the radiation intensity and color properties of light sources. [0003] Photointegral measurements are methods that use filters to match the relative spectral response of the instrument. In the design of the color filter, the relative spectral transmittance of the color filter should meet the requirements of formula 1: [0004] [0005] Formula 1 [0006] [0007] In the formula, Observer response curve for CIE1931 standard chromaticity, such as figure 1 shown; , Respectively, the relative spectral transmittance of the color filter; is the spectral sensitivity of the detector; , is the corres...

Claims

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Application Information

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IPC IPC(8): G01J3/28
Inventor 袁琨吴逸萍
Owner HANGZHOU CHNSPEC TECH
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