Crosstalktables – EXFO IQS-12004B DWDM Passive Component Test System for IQS-500 User Manual
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COM Objects Reference
DWDM Passive Component Test System
359
Analysis Interface—Properties
Analysis
CrossTalkTables
Description
This read-only property returns a one-dimensional array
containing several crosstalk tables (a crosstalk table for each
power level). Each crosstalk table corresponds to a
two-dimensional array containing crosstalk values (in dB)
between all channels under test.
Syntax
Each crosstalk table is accessible through the use of an index.
object.CrossTalkTables (Index)
Parameters
Index: Required. A Long value corresponding to the power level
for which a crosstalk table is requested.
Response
A Variant containing a two-dimensional array of Variant values.
The values can be either a string or a numeric value.
Note
The array forms a square matrix where:
³
Number of rows = number of channels that have been
scanned + 1 (for the title row).
³
Number of columns = number of channels that have been
scanned + 1 (for the title column).
The first row (after the title row) and the first column (after the
title column) represent the first channel scanned (i.e.
ChannelStart set through the DoAnalysis method). In the same
way, the last row and the last column represent the last channel
scanned (i.e. ChannelStop).
The value at the intersection of a column and a row is the
crosstalk calculated between the channels represented by the
column and by the row. This means that the values in the
diagonal of the matrix (i.e. where column = row) are all N/A.
Access
Get