Full digital spectrum analyzer data acquisition system
A technology of data acquisition system and spectrum analyzer, which is applied in the field of spectrum analysis, can solve the problems of inaccurate analysis results, large loss of tungsten electrodes, long pre-combustion time and integration time, etc., and achieves the advantages of convenient use, simplified operation and high precision Effect
Active Publication Date: 2019-05-03
无锡杰博仪器科技有限公司
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Problems solved by technology
[0004] Diffusion discharge has a large loss on tungsten electrodes. At the same time, the pre-combustion time and integration time are long, and the analysis results are not accurate. Therefore, it is necessary to exclude the data of diffusion discharge in the data collection stage, thereby improving the accuracy of the analysis results.
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[0041] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0042] see figure 1 As shown, the present embodiment provides an all-digital spectrum analyzer data acquisition system, including a spectrum acquisition module, a data analysis module, an excitation identification module, a storage module, a transmission module, and a cloud server;
[0043] The spectral acquisition module is used to collect spectral information and convert optical signals into digital signals;
[0044] The excitation identification module includes...
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The invention discloses a full digital spectrum analyzer data acquisition system. The system includes a spectrum acquisition module, a data analysis module, an excitation authentication module, a storage module, a transmission module and a cloud server. Data acquisition precision is improved through setting multiple CMOS detectors. The system is advantaged in that rapid machine setting can be performed, operation is simplified, and the system is convenient to use; each standard audio in a cloud server is compared with the discharging sound by the excitation authentication module, and whether the discharging sound is normal can be determined; the image recognition algorithm is compared to a standard speckle image, and non-concentrated discharging can be excluded; through collecting the color information in the speckle center and the area of the outer edge, whether the color of the speckle is correct can be determined; through a number of comprehensive determinations, data quality in theanalysis phase is improved, all the qualified data are uploaded to the server as standard data, and other users are convenient to query and use.
Description
technical field [0001] The invention relates to the technical field of spectrum analysis, in particular to an all-digital spectrum analyzer data acquisition system. Background technique [0002] Arc and spark discharge are carried out between the metal sample and the electrode, and the resulting spectrum is photoelectrically measured to quantify the contained elements. The analysis sample is excited by a light source, and the light generated at this time enters the entrance slit through the condenser lens, and is guided to the concave diffraction grating, and only the required spectral lines in the light split on the concave grating are read, using CCD / CMOS The detector + DSP (digital signal processing) is used as the collector of the echelle grating cross-dispersion optical system, and its sensitivity is lower than that of the photomultiplier tube, but it can be used for full-spectrum collection. [0003] The spark discharge in the argon atmosphere is divided into two extr...
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IPC IPC(8): G01R31/12
Inventor 沈云峰沈永水
Owner 无锡杰博仪器科技有限公司