Pacific UPC-32 Operation Manual page 52

SECTION 4 OPERATION
4.3.1.1 WAVEFORM ANALYSIS (cont'd)
(OPTION- Harmonic Analysis and Synthesis)
Pressing EDIT will allow the user to select the number of samples used during the analysis process.
Select number of samples to analyze...
The value of "nnn" may only be one of the numbers listed below.
If any other number is entered, the default value of 128 will be used.
128 (default)
Press ENTER after typing this number to store the value.
Press ENTER again to process new data
The default is 128. That allows a full display of 51 harmonics with minimum processing time. Values of
256 or 512 will increase accuracy of the displayed harmonics, at a cost of processing time. Lower
values (64, 32, 16) calculate faster but have decreased resolution.
The LCD will always display 51 harmonic positions. For calculations which generate fewer harmonics,
the upper harmonic data will be zeros (0).
The full harmonic data set, up to the 256
para. 5.5.2,
:MEASure:SPECTrum:PHASe.
----> <nnn>
number of
nnn harmonics
displayed
512 51
256 51
51
64 32
32 16
16 8
th
Metered Data Queries,
number of
harmonics calculation
calculated (approx.)
256
128
64
32
16
8
harmonic, is available through the communication port. See
:MEASure:SPECTrum:VOLT1[:MAGnitude]
40
Time of
38 sec.
17 sec.
8 sec.
4 sec.
2 sec.
1 sec.
and