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COMPRESS
Item
TRACE LABEL
The COMPRESS command
algorithm, and ratio of source and destination trace sizes.
The source trace must be longer than the destination trace. The ratio of source trace length to destination trace
length, in display units, equals K.
COMPRESS divides the source trace into intervals, and computes a compressed value for each interval. The
compressed values become the amplitude values for all of the points in the destination trace. For example, if the
source trace is 1000 points long, and the destination trace is 100 points long, K equals 10. COMPRESS divides
the source trace into 100 intervals of 10 points each, and computes a compressed value for each interval. The 10
points are operated on by the compression algorithm, and the compressed value for the first interval becomes the
amplitude of the first point in the destination trace. The 99 remaining compressed values determine the amplitude
of the last 99 points of the destination trace.
, - D E S T I N A T I O N 7
t r a c e
I abe I
Description/Default
Alpha character. User-defined label in
TRDEF statement.
compresses the source trace to fit the destination trace, according to the compression
source trace length / destination trace length = K
number of points in interval = K
COMPRESS
Compress
COMPRESSION
Range Restriction
P r o g r a m m i n g 5 5
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