1 (110)

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Principles of Instrumental Analysis, 6th ed. Chapter 16
 
 5
11). Thus a 4-fold increase in S/N requires a 16-fold increase in the number of 
interferograms that must be collected and added or 16 × 16 = 256 interferograms. 
16-14. According to Equation 7-24. 
 M2 = f
c
ν ν 
(a) 
1 13 1
3 1
10 1
2 1.00 cm s 4.8 10 s = = 3.2 10 s = 3.20 kHz
3.00 10 cm s
f
− −
−
−
× × ×
×
×
 
(b) 3.27 kHz 
(c) 3.33 kHz