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Method for removing abnormal spectrum of full-spectrum direct-reading spectrometer

A technology of direct-reading spectrometer and spectrometer, which is applied in the field of abnormal spectrum elimination of full-spectrum direct-reading spectrometer, which can solve the problems of storage and preprocessing, such as difficulty and inapplicability, to improve precision, improve use effect, and simple algorithm Effect

Active Publication Date: 2017-03-15
无锡创想分析仪器有限公司
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Problems solved by technology

However, it is not applicable to the full-spectrum direct-reading spectrometer. The spectral data analyzed by the full-spectrum direct-reading spectrometer in a single time, if the spectrum corresponding to each set of sparks must be saved, it usually reaches tens of megabytes. For FPGA or ordinary single-chip microcomputer In other words, both storage and preprocessing are difficult

Method used

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  • Method for removing abnormal spectrum of full-spectrum direct-reading spectrometer
  • Method for removing abnormal spectrum of full-spectrum direct-reading spectrometer

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Embodiment Construction

[0025] The embodiments listed in the present invention are only used to help understand the present invention, and should not be interpreted as limiting the protection scope of the present invention. For those of ordinary skill in the art, they can also Improvements and modifications are made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

[0026] The invention is suitable for full-spectrum direct-reading spectrometers, and is only used for the analysis of single-matrix materials.

[0027] Operation process such as figure 1 As shown, the detailed steps are as follows:

[0028] Step 1. Spectrometer calibration operation. During the calibration process of the spectrometer, when the sample is excited to collect the spectrum, the spectrum collected by each group of sparks is not abnormally eliminated, but all the spectra are collected and averaged as the current analysis spectrum for...

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Abstract

The invention relates to a method for removing an abnormal spectrum of a full-spectrum direct-reading spectrometer for analyzing a single-matrix material, comprising: performing spectrometer calibration operation; setting the monitoring pixels of respective detectors, forming a monitoring light intensity by using the light intensity values of respective monitoring pixels; setting a position correction reference spectrum; and removing the abnormal spectrum. The method can eliminate the data corresponding to the abnormal spectrum and improves the repeatability and accuracy of the analysis data.

Description

technical field [0001] The invention relates to the technical field of data acquisition of a full-spectrum direct-reading spectrometer, in particular to a method for eliminating abnormal spectra of a full-spectrum direct-reading spectrometer. Background technique [0002] The direct-reading spectrometer is a precision optical instrument, its optical structure is placed inside a sealed optical chamber, and the optical signal generated by exciting the sample enters the optical chamber during the use of the instrument, and is projected to the line array sensor through the optical structure and converted into an electrical signal. The signal is then converted into a digital signal through the electronic module and stored in the single-chip microcomputer. The analysis software running on the computer reads the digital signal from the single-chip microcomputer, analyzes and calculates, and obtains the content of each chemical element in the sample. [0003] Direct reading spectrom...

Claims

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Application Information

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IPC IPC(8): G01J3/28G01J3/02
CPCG01J3/027G01J3/2803G01J2003/2873
Inventor 袁海军马建州廖波顾德安
Owner 无锡创想分析仪器有限公司
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