Svantek SVAN 958A - Page 210

210
SVAN 958A User Manual
Table C.3.3. FFT analysis for the 480 lines spectrum (no-logging)
FFT bandwith
[Hz}
Record length
(samples)
Frequency resolution
[Hz]
Overlapping factor
%
22 400
1024
46.875
6
11 200
1024
23.4375
53
5 600
1024
11.71875
76
2 800
1024
5.859375
88
1 400
1024
2.9296875
94
700
1024
1.46484375
97
350
1024
0.732421875
98
175
1024
0.366210938
99
87.5
1024
0.183105469
>99
Table C.3.4. FFT analysis Table for the 960 lines spectrum (no-logging)
FFT bandwith
[Hz}
Record length
(samples)
Frequency resolution
[Hz]
Overlapping factor
%
22 400
2048
23.4375
6
11 200
2048
11.71875
53
5 600
2048
5.859375
76
2 800
2048
2.9296875
88
1 400
2048
1.46484375
94
700
2048
0.732421875
97
350
2048
0.366210938
98
175
2048
0.183105469
99
87.5
2048
0.091552734
>99
Table C.3.5. FFT analysis for the 1920 lines spectrum (no-logging)
FFT bandwith
[Hz}
Record length
(samples)
Frequency resolution
[Hz]
Overlapping factor
%
22 400
4096
11.71875
6
11 200
4096
5.859375
53
5 600
4096
2.9296875
76
2 800
4096
1.46484375
88
1 400
4096
0.732421875
94
700
4096
0.366210938
97
350
4096
0.183105469
98
175
4096
0.091552734
99
87.5
4096
0.045776367
>99