Tektronix MSO64 — понимание окон Ханнинга для анализа сигналов [559/628]

Tektronix MSO44 [559/628] Hanning window
Hanning FFT window
FFT windows have various resolution bandwidths and scallop losses (see the figure below). Choose the one that best allows you
to view the signal characteristics you are interested in.
The Hanning window has the narrowest resolution bandwidth, but higher side lobes. Hanning has slightly poorer frequency
resolution than Hamming. Hanning is best for measuring sine, periodic, and narrow-band random noise, and transients or bursts
where the signal levels before and after the event are significantly different.
Hanning window
Measurement concepts
4/5/6 Series MSO Help 529

Содержание

Окна Ханнинга обеспечивают узкую полосу разрешения для анализа сигналов. Узнайте, как выбрать подходящее окно для измерения периодических и шумовых сигналов.

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