Recorder Mode
3-41
Negative : Sets the area of a cursor-defined range of data as the total sum of
negative domains, centering on the baseline (0 V) of the measured
data.
0V
- domains
+ domains
Absolute : Sets the area of a cursor-defined range of data as the total sum of
both positive and negative domains, centering on the baseline (0 V)
of the measured data.
0V
- domains
+ domains
Execute .......................... Executes the details set for Statistical Calculation.
(2) Arithmetical Calculation
............................. This parameter can only be specified when the Capture Destination setting is
Memory. The Arithmetical Calculation function performs calculation on the captured
memory data and replay data specified by the cursors. The calculation results are
saved to the final memory block number. Please refer to the items below for details
on the settings.
Function : Selects the On/Off status of calculation functions for each channel.
On : Enables the calculation functions.
Off : Disables the calculation functions.
CHECKPOINT
When a channel's Function setting is On, the Lower-Span-Upper and Unit settings
specified at the AMP. Settings window for that channel become invalid. Therefore, set the
Span and Unit values using the Lower-Span-Upper and Unit parameters described in the
following.
Formula Settings:
This parameter can only be set for a channel for which the Function setting is
On. It specifies a numerical formula containing up to 32 terms.
• MEAN (Moving Mean)
Because the MEAN function permits averaging of data corresponding to a
specified number of points, noise can be eliminated from data containing
interference. The number of points to be averaged can be set from 1 to 128.
•DIF (Differentiation) and DDIF (Double Differentiation)
Differentiation and double differentiation operations use Lagrange's five-order
interpolation formula. With a five-order interpolation formula, the data of one
point is obtained from the values of five points before or after that point.
Calculation is performed, however, for the first point by using its five
subsequent points and for the final point by using its five preceding points.
Symbol Definition Symbol Definition
+ Addition INT Integration
– Subtraction DINT Double integration
* Multiplication SIN Sine
/Division COS Cosine
MEAN Moving mean TAN Tangent
LOG Logarithm ASIN Arc sine
EXP Exponential mean ACOS Arc cosine
ABS Absolute value ATAN Arc tangent
DIF Differentiation PI pi (π)
DDIF Double differentiation INTA Integration
SQRT Square root DINTA Double Integration
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