FFT and spectrum analyzer

Multi-channel analysis of uniformly sampled signals with segment selection, detrending, windows, a one-sided peak-amplitude spectrum and largest-bin ranking.

Project schema: fft_spectrum_analyzer v1

Project name

Description

Sampling frequency [Hz]

Time origin [s]

Window

Detrend

Largest-bin count

Segment start

Segment end (exclusive)

Active channel

Compare all enabled channels

Channels

Channel 1

Channel ID

Channel name

Amplitude unit

Enabled

Samples (one per line or comma-separated)

Channel 2

Channel ID

Channel name

Amplitude unit

Enabled

Samples (one per line or comma-separated)

0
0.7391036260090295
0.5656854249492381
-0.30614674589207175
-0.8
-0.30614674589207236
0.5656854249492379
0.7391036260090295
2.9391523179536476e-16
-0.7391036260090291
-0.5656854249492388
0.3061467458920718
0.8
0.3061467458920726
-0.5656854249492381
-0.7391036260090296
-5.878304635907295e-16
0.7391036260090291
0.565685424949239
-0.3061467458920702
-0.8
-0.3061467458920716
0.565685424949238
0.7391036260090296
8.817456953860943e-16
-0.739103626009029
-0.5656854249492392
0.3061467458920699
0.8
0.30614674589207447
-0.5656854249492377
-0.7391036260090309
-1.175660927181459e-15
0.73910362600903
0.5656854249492395
-0.3061467458920723
-0.8
-0.30614674589207214
0.5656854249492355
0.7391036260090299
4.311747102017225e-15
-0.7391036260090287
-0.5656854249492377
0.3061467458920694
0.8
0.306146745892075
-0.5656854249492373
-0.739103626009031
-1.7634913907721887e-15
0.7391036260090297
0.5656854249492399
-0.30614674589207175
-0.8
-0.30614674589207264
0.5656854249492351
0.7391036260090322
-7.847643204728474e-16
-0.7391036260090286
-0.5656854249492421
0.30614674589207413
0.8
0.3061467458920755
-0.5656854249492329
-0.7391036260090291

The project is stored only in this browser's local storage.

Data / project import

Import formatPaste data

#toolId,fft_spectrum_analyzer
#schemaVersion,1
#projectName,Rotor spectrum study
#description,
#samplingFrequencyHz,64
#timeUnit,s
#sampleStartTimeS,0
#window,hann
#detrend,mean
#maxPeaks,5
#segmentStartIndex,0
#segmentEndIndex,64
#activeChannelId,signal
#compareChannels,true
#channel,signal,Signal,V,true
#channel,reference,Reference,V,true
index,time,signal,reference
0,0,2,0
1,0.015625,4.121320343559642,0.7391036260090295
2,0.03125,5,0.5656854249492381
3,0.046875,4.121320343559643,-0.30614674589207175
4,0.0625,2.0000000000000004,-0.8
5,0.078125,-0.12132034355964239,-0.30614674589207236
6,0.09375,-1,0.5656854249492379
7,0.109375,-0.12132034355964283,0.7391036260090295
8,0.125,1.9999999999999993,2.9391523179536476e-16
9,0.140625,4.121320343559642,-0.7391036260090291
10,0.15625,5,-0.5656854249492388
11,0.171875,4.1213203435596455,0.3061467458920718
12,0.1875,2.000000000000001,0.8
13,0.203125,-0.12132034355964372,0.3061467458920726
14,0.21875,-1,-0.5656854249492381
15,0.234375,-0.1213203435596455,-0.7391036260090296
16,0.25,1.9999999999999984,-5.878304635907295e-16
17,0.265625,4.121320343559644,0.7391036260090291
18,0.28125,5,0.565685424949239
19,0.296875,4.1213203435596455,-0.3061467458920702
20,0.3125,2.0000000000000018,-0.8
21,0.328125,-0.12132034355964283,-0.3061467458920716
22,0.34375,-1,0.565685424949238
23,0.359375,-0.12132034355964594,0.7391036260090296
24,0.375,1.9999999999999978,8.817456953860943e-16
25,0.390625,4.121320343559643,-0.739103626009029
26,0.40625,5,-0.5656854249492392
27,0.421875,4.121320343559646,0.3061467458920699
28,0.4375,2.0000000000000027,0.8
29,0.453125,-0.12132034355964283,0.30614674589207447
30,0.46875,-1,-0.5656854249492377
31,0.484375,-0.12132034355964638,-0.7391036260090309
32,0.5,1.9999999999999971,-1.175660927181459e-15
33,0.515625,4.121320343559642,0.73910362600903
34,0.53125,5,0.5656854249492395
35,0.546875,4.121320343559647,-0.3061467458920723
36,0.5625,2.000000000000003,-0.8
37,0.578125,-0.12132034355964194,-0.30614674589207214
38,0.59375,-1,0.5656854249492355
39,0.609375,-0.12132034355964727,0.7391036260090299
40,0.625,1.9999999999999962,4.311747102017225e-15
41,0.640625,4.121320343559635,-0.7391036260090287
42,0.65625,5,-0.5656854249492377
43,0.671875,4.121320343559647,0.3061467458920694
44,0.6875,2.0000000000000147,0.8
45,0.703125,-0.1213203435596415,0.306146745892075
46,0.71875,-1,-0.5656854249492373
47,0.734375,-0.12132034355964016,-0.739103626009031
48,0.75,1.9999999999999956,-1.7634913907721887e-15
49,0.765625,4.121320343559634,0.7391036260090297
50,0.78125,5,0.5656854249492399
51,0.796875,4.121320343559647,-0.30614674589207175
52,0.8125,1.9999999999999942,-0.8
53,0.828125,-0.12132034355964105,-0.30614674589207264
54,0.84375,-1,0.5656854249492351
55,0.859375,-0.12132034355964016,0.7391036260090322
56,0.875,1.999999999999995,-7.847643204728474e-16
57,0.890625,4.121320343559633,-0.7391036260090286
58,0.90625,5,-0.5656854249492421
59,0.921875,4.121320343559648,0.30614674589207413
60,0.9375,2.000000000000016,0.8
61,0.953125,-0.12132034355964016,0.3061467458920755
62,0.96875,-1,-0.5656854249492329
63,0.984375,-0.12132034355964105,-0.7391036260090291

The data are ready. Run the analysis to calculate results.

FFT and spectrum analyzer