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Nf= 95

Assumes uncorrelated noise processes

Find slgnal-to-noise ratio of the image, SNR

SNR= NB/N,

SNR = 88

Assuming signal dominates background

Determine sensor dynamic range, DR

DRsNg/Nf

Dfl = 332.9

With respect to cold space

Step 7

Find the Nolse-Equlvalent Temperature Difference

Recompute ail the parameters in Step 6 for AT= 1 K

rn8W=r+1 K

Ng = 8.7x103

Assume scene temperature changes by 1 degK

Determine no. of charge carriers for 1 K temp, change

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