Method for correcting low-layer tangent height of infrared obscuration sensor based on non-absorption spectrum
A star sensor and non-absorbing technology, which is applied in the field of low-level cutting height of infrared occultation sensors based on non-absorbing spectrum correction, can solve the problem of inaccurate first-level cutting height, and achieve the effect of saving CPU time and simple operation
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[0050] see Figure 1 to Figure 5 As shown, the technical solution provided by the present invention is a method for correcting the low-level cut height of an infrared occultation sensor based on a non-absorbing spectrum, comprising the following steps:
[0051] Step S101: By obtaining the initial primary data, the primary data includes multiple primary cut heights and spectral data on multiple cut heights, analyze the spectra on the two detection bands MCT and InSb respectively, and draw the From 15 observed cut heights (effectively observing the first cut height) to 25 cut heights, it can be obtained through analysis, at 830cm -1 to 850cm -1 In the range, there is no obvious absorption, but the observation spectrum at the 15th-18th cut height is obviously low;
[0052] Step S102: Select 830cm -1 -850cm -1 Range, perform high-pass filtering on the upper-level spectral data and solar spectrum from the 15th to the 18th observed cut-height to remove noise caused by instrument...
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