Commands Listed in Alphabetical Order
Syntax
MATH[1]:SPECT
ral:NYQUISTFreq?
MATH[1]:SPECTral:WINdow
Sets or returns the window function for the spectral analyzer input data for the
specified math waveform. A spectral window determines what the filter shape
of the spectral analyzer will be in the frequency domain. It can be described by
a mathematical function that is multiplied point-by-point times the input data to
the spectral analyzer.
Group
Math
Syntax
MATH[1]:SPECTral:WINdow
{RECTangular|HAMming|HANni ng|BLAckmanharris}
MATH[1]:SPECTral:WINdow?
Arguments
RECTangular window function is equivalent to multiplying all gate data by one.
HAMming window function is based on a c osine series.
HANning window function is based on a c osine series.
BLAckmanharris window function is based on a cosine series.
Examples
MATH1:SPECTRAL:WINDOW HANNING applies a Hanning window to the spectral
analyzer input data.
MATH1:SPECTRAL:WINDOW? might return :MATH1:SPECTRAL :WINDOW
HAMMING
indicating that the window function used to m ultiply the spectral
analyzer input data is the Hamming window.
MATH[1]:TYPe
This command specifies the math waveform type - either dual or FFT. This
command is typically used along w ith MATH[1]:DEFine, which specifies the
current mathematical expression as a text string which defines the waveform.
Group
Math
Syntax
MATH[1]:TYPe {DUAL|FFT}
MATH[1]:TYPe?
MSO2000B, DPO2000B, MSO2000 and DPO2000 Series Oscilloscopes Programmer Manual 2-183
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