LeCroy 9410 - Page 79

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System Commands 5
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FUNCTION
DESCRIPTION
COMMAND SYNTAX (FFT)
:~ 4-channel oscilloscopes only
DEFINE, DEF
Command/Query
Oscilloscopes fitted with the WP02 Option
An oscilloscope fitted with the FFT option (WP02)accepts addi-
tional forms of the DEFINE command.
Notation
WINDOW
FFT
REAL
IMAG
MAG
PHASE
PS
PSD
AVGP
RECT
HANN
HAMM
FLTP
BLHA
DCSUP
FFT window function
Fast Fourier Transform (complex result)
Real part of complex result
Imaginary part of complex result
Magnitude of complex result
Phase angle (degrees) of complex result
Power Spectrum
Power Density
Power Average
Rectangular window
yon Hann window
Hamming window
Flat Top window
Blackman-Harris window
DC component suppression
< function > :DEFine EQN,’ < equation > ’,
MAXPTS, < max__points > ,WINDOW, < window_type >,
DCSUP, < off on >
<function> := {MC~, MD~:, FE, FF}
<equation> := FFT(<source_expr>)
<equation> := REAL(FFT(<source_expr>))
<equation> := IMAG(FFT(<source_expr>))
<equation> := MAG(FFT(<source_expr>))
<equation> := PHASE(FFT(<source_expr>))
<equation> := PS (FFT(<source_expr>))
<equation> := PSD(FFT(<source_expr>))
<source_expr> := <multiplier> * <source> {+, -} <addend>
<source_expr> := <multiplier> * <source>
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