2 Using Keysight SD1 SFP Software
Window is a mathematical function that is zero-valued outside of some chosen
interval and it is used in applications including spectral analysis.
2. 5 Window Types Used in FFT Functions
Programming Definitions
Option
Description
Name
Value
Rectangular Simplest B-spine window
WINDOW_
RECTANGULAR
0
(default)
Bartlett
Hybrid window
WINDOW_BARTLETT
1
Hanning
Side-lobes roll off about 18 dB per octave
WINDOW_HANNING
2
Hamming
Optimized to minimize the maximum nearest side lobe
WINDOW_HAMMING
3
Blackman
Higher-order generalized cosine windows for applic-
ations that require windowing by the convolution in the
frequency-domain
WINDOW_BLACKMAN
4
Kaiser
Adjustable window maximizing energy concentration in
the main lobe
WINDOW_KAISER
5
Gauss
Adjustable window (can be used for quadratic inter-
polation in frequency estimation)
WINDOW_GAUSS
6
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Keysight M3100A/M3102A PXIe Digitizer User's Guide
