@ title "Noise filtering using FFT"
@ xaxis label "time"
@ yaxis label "signal"
@ s0 legend "original signal"
0.0 0.0
0.04908738521234052 0.049067674327418015
0.09817477042468103 0.0980171403295606
0.14726215563702155 0.14673047445536175
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0.2454369260617026 0.24298017990326387
0.2945243112740431 0.29028467725446233
0.3436116964863836 0.33688985339222005
0.39269908169872414 0.3826834323650898
0.44178646691106466 0.4275550934302821
0.4908738521234052 0.47139673682599764
0.5399612373357456 0.5141027441932217
0.5890486225480862 0.5555702330196022
0.6381360077604268 0.5956993044924334
0.6872233929727672 0.6343932841636455
0.7363107781851077 0.6715589548470183
0.7853981633974483 0.7071067811865475
0.8344855486097889 0.7409511253549591
0.8835729338221293 0.773010453362737
0.9326603190344698 0.8032075314806448
0.9817477042468103 0.8314696123025452
1.030835089459151 0.8577286100002721
1.0799224746714913 0.8819212643483549
1.1290098598838318 0.9039892931234433
1.1780972450961724 0.9238795325112867
1.227184630308513 0.9415440651830208
1.2762720155208536 0.9569403357322089
1.325359400733194 0.970031253194544
1.3744467859455345 0.9807852804032304
1.423534171157875 0.989176509964781
1.4726215563702154 0.9951847266721968
1.521708941582556 0.9987954562051724
1.5707963267948966 1.0
1.6198837120072371 0.9987954562051724
1.6689710972195777 0.9951847266721969
1.718058482431918 0.989176509964781
1.7671458676442586 0.9807852804032304
1.8162332528565992 0.970031253194544
1.8653206380689396 0.9569403357322089
1.9144080232812801 0.9415440651830208
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2.012582793705961 0.9039892931234434
2.061670178918302 0.881921264348355
2.110757564130642 0.8577286100002721
2.1598449493429825 0.8314696123025455
2.2089323345553233 0.8032075314806449
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2.7979809571034093 0.33688985339222033
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2.8961557275280905 0.24298017990326407
2.945243112740431 0.1950903220161286
2.9943304979527716 0.1467304744553618
3.043417883165112 0.09801714032956083
3.0925052683774528 0.049067674327417966
3.141592653589793 1.2246467991473532e-16
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3.730641276137879 -0.555570233019602
3.77972866135022 -0.5956993044924332
3.8288160465625602 -0.6343932841636453
3.877903431774901 -0.6715589548470184
3.9269908169872414 -0.7071067811865475
3.9760782021995817 -0.7409511253549589
4.025165587411922 -0.7730104533627367
4.074252972624263 -0.803207531480645
4.123340357836604 -0.8314696123025452
4.172427743048944 -0.857728610000272
4.221515128261284 -0.8819212643483549
4.270602513473625 -0.9039892931234431
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4.565126824747668 -0.9891765099647809
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4.71238898038469 -1.0
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4.859651136021712 -0.9891765099647809
4.908738521234052 -0.9807852804032304
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6.135923151542564 -0.1467304744553624
6.1850105367549055 -0.0980171403295605
6.234097921967246 -0.04906767432741809

@ s1 legend "signal with noise"
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0.04908738521234052 -0.12158751435235363
0.09817477042468103 0.15340442250470182
0.14726215563702155 0.3702231395124101
0.19634954084936207 0.2720086674117731
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0.2945243112740431 0.19123747891685855
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0.44178646691106466 0.5690607974539625
0.4908738521234052 0.6086503345128516
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0.5890486225480862 0.5595431520333842
0.6381360077604268 0.5265995869270265
0.6872233929727672 0.4803713177294034
0.7363107781851077 0.686136458077609
0.7853981633974483 0.9382171560392076
0.8344855486097889 0.8146969919580118
0.8835729338221293 1.0137753142061359
0.9326603190344698 1.0285016654691184
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1.030835089459151 1.0785980751597857
1.0799224746714913 0.9431233753425561
1.1290098598838318 0.8403329540961261
1.1780972450961724 1.1257183921511644
1.227184630308513 1.1408533539684635
1.2762720155208536 0.9930376503961048
1.325359400733194 1.1575947362692016
1.3744467859455345 1.0389270455994142
1.423534171157875 1.051178313589444
1.4726215563702154 1.183232851628318
1.521708941582556 0.9595847889659408
1.5707963267948966 0.8596840139849072
1.6198837120072371 1.0271354049094128
1.6689710972195777 1.0503762759257482
1.718058482431918 1.0909722563787265
1.7671458676442586 0.892226854701536
1.8162332528565992 1.0974735754049734
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1.9144080232812801 1.0777461060298588
1.9634954084936207 1.0740346250100474
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2.061670178918302 1.063864116992332
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2.945243112740431 0.16856477493660718
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4.859651136021712 -0.973704980916368
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5.056000676871073 -1.013402968197919
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5.154175447295755 -1.00549745250246
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5.301437602932776 -0.9848456479836902
5.350524988145116 -0.7290697529594474
5.399612373357457 -1.0186406021956067
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5.6941366846315 -0.7143494260502927
5.743224069843841 -0.4932508838566014
5.792311455056181 -0.6085915686402272
5.841398840268521 -0.33779169654675506
5.890486225480862 -0.26276018502268594
5.939573610693203 -0.4609044229124809
5.988660995905543 -0.13267131072742505
6.037748381117884 -0.20530747545897174
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6.135923151542564 -0.2391172310986948
6.1850105367549055 0.07686907587136087
6.234097921967246 -0.029737490652790848

@ s2 legend "filtered signal"
0.0 0.0031940765903514254
0.04908738521234052 0.054115009771364755
0.09817477042468103 0.1049055751539237
0.14726215563702155 0.1554434138172937
0.19634954084936207 0.20560677568154268
0.2454369260617026 0.2552748128141484
0.2945243112740431 0.3043278705632519
0.3436116964863836 0.35264777581619544
0.39269908169872414 0.40011812168890004
0.44178646691106466 0.4466245479602484
0.4908738521234052 0.4920550165758702
0.5399612373357456 0.5363000815576316
0.5890486225480862 0.5792531526685814
0.6381360077604268 0.6208107521981685
0.6872233929727672 0.6608727642491107
0.7363107781851077 0.6993426759253591
0.7853981633974483 0.7361278098401193
0.8344855486097889 0.7711395473837939
0.8835729338221293 0.8042935422139739
0.9326603190344698 0.8355099234531661
0.9817477042468103 0.8647134881047338
1.030835089459151 0.8918338822235007
1.0799224746714913 0.9168057704045687
1.1290098598838318 0.9395689931820312
1.1780972450961724 0.9600687119583938
1.227184630308513 0.978255541115561
1.2762720155208536 0.9940856669891157
1.325359400733194 1.0075209534192726
1.3744467859455345 1.0185290336242294
1.423534171157875 1.0270833881745784
1.4726215563702154 1.0331634088809356
1.521708941582556 1.0367544484408717
1.5707963267948966 1.037847855725549
1.6198837120072371 1.0364409966210475
1.6689710972195777 1.0325372603741765
1.718058482431918 1.0261460514274812
1.7671458676442586 1.0172827667631186
1.8162332528565992 1.0059687588101764
1.8653206380689396 0.992231284004804
1.9144080232812801 0.9761034371270679
1.9634954084936207 0.9576240715727296
2.012582793705961 0.9368377057520096
2.061670178918302 0.9137944158408418
2.110757564130642 0.8885497151429753
2.1598449493429825 0.8611644203535668
2.2089323345553233 0.8317045050464309
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2.356194490192345 0.731610703406787
2.405281875404685 0.6946093666371782
2.454369260617026 0.655934655062746
2.5034566458293663 0.6156797394511767
2.552544031041707 0.5739415974200939
2.6016314162540475 0.5308207798094791
2.650718801466388 0.48642116844589434
2.6998061866787286 0.4408497258820609
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2.7979809571034093 0.3466330481014248
2.84706834231575 0.2982147891138016
2.8961557275280905 0.24907810457867258
2.945243112740431 0.19934136907294833
2.9943304979527716 0.14912440274888525
3.043417883165112 0.09854818267684552
3.0925052683774528 0.04773455140093562
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