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Data Analysis

Calculating modal compliance
There is no direct method to calculate compliance, but this can be done with some mathematics. The second test is with a double integration of acce...
Wed, 23 May, 2018 at 9:45 AM
FFT analyser - Overall RMS (block history and overall)
If the Block history is selected, the RMS value will be calculated for each block size separately. The block size is defined with the FFT resolution and th...
Wed, 23 May, 2018 at 11:02 AM
How to do the table scaling on any channel in Dewesoft
Dewesoft supports the table scaling of the analog channels in the Analog sensors editor. Unfortunately, this option is not available for the channels which ...
Wed, 18 May, 2022 at 1:08 PM
DS-CAM 600 field of view calculator
On the link below it is possible to download an excel file which allows you to calculate the field of view of DS CAM 600 depending on the used lens and obje...
Mon, 13 Jan, 2020 at 1:52 PM
Number of lines on 3D graph
Due to various factors and internal buffer structure, maximum history size in a 3D graph is usually smaller than defined history size in FFT. In the FFT...
Fri, 10 Aug, 2018 at 1:44 PM
MIF calculation
MIF is calculated using this formula: In this formula, TF is the transfer function of a response point. Usually, MIF is calculated without the "1 -&q...
Tue, 18 Dec, 2018 at 1:39 PM
Convert Excel time format to text or number of hours, minutes, seconds
Excel export provides an option that reduces export time by changing the format of absolute time. Usually the absolute time exports in the date, hours, m...
Fri, 3 Dec, 2021 at 9:20 AM
Transfer function averaging
This is an example of how to average two (or more) transfer function (or any other arrays).  Using a simple formula, sum the magnitude of transfer funct...
Tue, 28 Sep, 2021 at 2:24 PM
Order tracking without RPM sensor
Here is an example of order tracking just with the acceleration sensor.  When the machine is running, this is how the FFT looks like: To get the r...
Thu, 25 Apr, 2019 at 1:34 PM
Track first harmonic in exact frequency mathematics
To demonstrate the "Track first harmonic" option in Exact frequency mathematics we have made an example.  We have generated the signal with...
Mon, 29 Apr, 2019 at 5:28 PM