Campbell Scientific CR23X Micrologger - Manual (Page 126)

SECTION 8. PROCESSING AND PROGRAM CONTROL EXAMPLES
8-16
FIGURE 8.11-2. FFT Power Spectra Analysis of 0.25 and 1.25 Hz Signal
TABLE 8.11-1. FFT Real and Imaginary Results 0.25 and 1.25 Hz Signal
BIN # Hz FFT Ri FFT Ii
0 0 0.02303 0
1 0.009766 0.01036 0
2 0.019532 -0.00206 0
3 0.029298 0 0
22 0.214852 -0.00086 -0.00009
23 0.224618 0.01096 0.0036
24 0.234384 -0.19328 -0.06277
25 0.24415 0.59858 0.19439
26 0.253916 -0.65827* -0.21391*
27 0.263682 0.26778 0.08709
28 0.273448 -0.02466 -0.00796
29 0.283214 0.00086 0.00034
125 1.22075 0 0.00069
126 1.230516 0.00009 -0.04342
127 1.240282 0.00009 0.23044
128 1.250048 0* -0.37302*
129 1.259814 0 0.23053
130 1.26958 -0.00009 -0.0435
131 1.279346 0.00009 0.0006
511 4.990426 -0.00009 0
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