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Creating and Using Math Waveforms
3- 222
CSA7000 Series, TDS7000 Series, & TDS6000 Series Instruments User Manual
H Hanning, Kaiser--Bessel, and Blackman--Harris Windows. These windows
have various resolution bandwidths and scallop losses (see figures 3--56,
3--57, and 3--58). Choose the one that best allows you to view the signal
characteristics that you are interested in. The Blackman--Harris has a low
amount of energy leakage compared to the other windows. The Hanning has
the narrowest resolution bandwidth, but higher s ide lobes.
1
0
Amplitude
Time
--32 dB side lobe
0
-- 8 0
dB
Frequency bins
-- 4 0
Figure 3- 56: Time and frequency graphs for the Hanning window