Relative radiation correction method for medium-wave infrared focal plane array detector
A technology of relative radiation correction and array detectors, which is applied in radiation pyrometry, optical radiation measurement, instruments, etc., can solve the problem of low relative radiation calibration accuracy of mid-wave infrared focal plane array detectors, and achieve strong engineering application significance Effect
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[0018] (1) The radiation response model of the detector is established: according to the imaging principle of the mid-wave infrared focal plane array detector, the noise of the imaging link is fully considered sound source , to establish the radiation response model of the mid-wave infrared focal plane array detector;
[0019] DN(m,n)=f[L(m,n)]+N f (m,n)+N w (m, n)①
[0020] =f[L(m,n)]+N(m,n)
[0021] Mode Middle: m, n is the probe position m∈[1, M] of the mid-wave infrared focal plane array detector,
[0022] n ∈ [1, N];
[0023] DN(m, n) is the original digital DN value of the probe (m, n);
[0024] f[L(m,n)] is the function of the radiance L(m,n) received by the probe (m,n);
[0025] N f (m, n) is the generalized 1 / f noise of the probe (m, n);
[0026] N w (m, n) is the white noise of the probe (m, n);
[0027] N(m,n)=N f (m,n)+N w (m, n) is the total noise of detector (m, n).
[0028] (2) On-board blackbody calibration and imaging: complete the imaging of t...
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