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Results tagged with signal-analysis
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user 58718
The processing of signals for the purpose of extracting a parameter or property embedded in a signal. Signal goes in and far fewer numbers come out.
2
votes
3
answers
2k
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What is the relationship among digital filter cutoff frequency, signal frequency and filter ...
I have some general observations but I am asking if anyone can summarize more conclusively:
(1) Filter settles slower if the ratio between signal frequency and filter cutoff frequency is smaller;
(2) …
- 143
0
votes
1
answer
114
views
Does tsa function in matlab assume constant rpm in the same rotation?
I just ran the example code, stepped into the tsa function, and saw the line 139:
By looking at the code in the red box, it seems that MATLAB assumes constant rpm in the same rotation and evenly divi …
- 143
0
votes
Order analysis on sample vibration data to detect unbalance in python
I think you are doing basically right, you can selectively add two more steps:
(1) Check max order for a new sampling rate in order domain, make sure you avoid aliasing.
(2) Add some flexibility to up …
- 143
1
vote
1
answer
546
views
Are there any order analysis functions in Python?
I would like to perform the following order related tasks in Python:
Convert tachometer pulse signal to RPM signal (tachorpm)
Convert RPM signal to even-angle signal (orderwaveform)
Time synchronous …
- 143