Material Performance Characteristics Of Sliding Bearing Bearing Bush
Material Performance Characteristics Of Sliding Bearing Bearing Bush
PRODUCT
Needle roller bearing absolute value of collating sequence
by：Waxing
2020-06-17
Collating sequence acquisition of absolute value of needle roller bearing: the service period to measure the vibration of rolling bearing in the different time stages, different time phase of the rolling bearing vibration data, a m a time phase of the data sequence, in which the ith a time phase of the data sequence to X, = {
x(
n)
}
n, n = 1, 2,;
我= 1,2,。
,m (
7 -
1)
Type, x is the first;
A phase of time sequence of rolling bearing vibration data, the serial number for time period, I n the serial number for the data, x (
n)
For the case of a phase of time I n data, n number of data obtained for the ith a time period, m number for time period.
The rolling bearing vibration data in absolute value, according to the order since the childhood, get absolute value collating sequence Y: Y = {
y,(
n)
}
,我- - - - - -
= 1, 2,.
,m;
n = 1, 2, -
,N (
7 -
2)
Type, Y;
As the absolute value collating sequence, I as time phase sequence number, n for data serial number, n number of data obtained for the ith a time period, m number for time period, y (
n)
For the first n data in absolute value collating sequence.
At this point, to get the absolute value of rolling bearing vibration data sorting sequence, to seek local intrinsic interval laid a solid foundation.
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