@ 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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0.2945243112740431 0.29028467725446233
0.3436116964863836 0.33688985339222005
0.39269908169872414 0.3826834323650898
0.44178646691106466 0.4275550934302821
0.4908738521234052 0.47139673682599764
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0.5890486225480862 0.5555702330196022
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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
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1.1780972450961724 0.9238795325112867
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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
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1.6689710972195777 0.9951847266721969
1.718058482431918 0.989176509964781
1.7671458676442586 0.9807852804032304
1.8162332528565992 0.970031253194544
1.8653206380689396 0.9569403357322089
1.9144080232812801 0.9415440651830208
1.9634954084936207 0.9238795325112867
2.012582793705961 0.9039892931234434
2.061670178918302 0.881921264348355
2.110757564130642 0.8577286100002721
2.1598449493429825 0.8314696123025455
2.2089323345553233 0.8032075314806449
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2.945243112740431 0.1950903220161286
2.9943304979527716 0.1467304744553618
3.043417883165112 0.09801714032956083
3.0925052683774528 0.049067674327417966
3.141592653589793 1.2246467991473532e-16
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3.6815538909255388 -0.5141027441932216
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
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4.123340357836604 -0.8314696123025452
4.172427743048944 -0.857728610000272
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4.270602513473625 -0.9039892931234431
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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 0.22278454279603435
0.09817477042468103 0.22990444981786762
0.14726215563702155 0.024264987325072596
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0.44178646691106466 0.19172883169128524
0.4908738521234052 0.6392792887859324
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0.5890486225480862 0.6867102742485731
0.6381360077604268 0.3467523311679887
0.6872233929727672 0.6070868811910461
0.7363107781851077 0.7823289710174096
0.7853981633974483 0.5714878918217738
0.8344855486097889 0.9635864731319203
0.8835729338221293 0.9737241821684788
0.9326603190344698 0.5685025229974217
0.9817477042468103 0.5941925427992756
1.030835089459151 0.8784348463970204
1.0799224746714913 1.1014958457376103
1.1290098598838318 0.8445914119675495
1.1780972450961724 0.7821792310765934
1.227184630308513 0.9026023529743794
1.2762720155208536 0.7214607295196429
1.325359400733194 0.8308770863310615
1.3744467859455345 0.9497290772285165
1.423534171157875 0.9870826306557063
1.4726215563702154 0.8617269518009831
1.521708941582556 0.8642287269756646
1.5707963267948966 0.8593905186688443
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1.6689710972195777 0.8900755339674398
1.718058482431918 0.7499213625977355
1.7671458676442586 1.149574268234517
1.8162332528565992 0.9982584145207607
1.8653206380689396 1.0280875171984318
1.9144080232812801 0.7844971981303797
1.9634954084936207 1.1701512385993194
2.012582793705961 1.0839625575210885
2.061670178918302 0.6923662442512583
2.110757564130642 0.7740762026803367
2.1598449493429825 0.9422118160941797
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3.043417883165112 0.19953752136237657
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5.792311455056181 -0.3228479555082498
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5.890486225480862 -0.5050364123214375
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5.988660995905543 -0.20372791453510897
6.037748381117884 -0.4513631110013152
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6.135923151542564 -0.38945048699295626
6.1850105367549055 0.02977624729653859
6.234097921967246 -0.1742880615007067

@ s2 legend "filtered signal"
0.0 -0.023522769662640552
0.04908738521234052 0.02453072696282749
0.09817477042468103 0.07252512691840406
0.14726215563702155 0.12034480749078344
0.19634954084936207 0.16787456688095706
0.2454369260617026 0.21499990173543929
0.2945243112740431 0.2616072829948734
0.3436116964863836 0.3075844293954813
0.39269908169872414 0.3528205779644608
0.44178646691106466 0.3972067508576918
0.4908738521234052 0.4406360178969041
0.5399612373357456 0.4830037541738459
0.5890486225480862 0.5242078921008504
0.6381360077604268 0.5641491673005958
0.6872233929727672 0.6027313577426827
0.7363107781851077 0.639861515550936
0.7853981633974483 0.6754501909229773
0.8344855486097889 0.709411647622636
0.8835729338221293 0.7416640695260499
0.9326603190344698 0.7721297577238755
0.9817477042468103 0.8007353177047651
1.030835089459151 0.8274118361691735
1.0799224746714913 0.8520950470475329
1.1290098598838318 0.8747254863228435
1.1780972450961724 0.8952486352846982
1.227184630308513 0.9136150518696333
1.2762720155208536 0.9297804897713867
1.325359400733194 0.9437060050341287
1.3744467859455345 0.9553580498718595
1.423534171157875 0.9647085534879669
1.4726215563702154 0.9717349897002322
1.521708941582556 0.9764204312083772
1.5707963267948966 0.9787535903734125
1.6198837120072371 0.9787288464105482
1.6689710972195777 0.9763462589301587
1.718058482431918 0.9716115677941743
1.7671458676442586 0.9645361792882516
1.8162332528565992 0.9551371386430321
1.8653206380689396 0.9434370889706889
1.9144080232812801 0.9294642167156861
1.9634954084936207 0.9132521837511647
2.012582793705961 0.8948400462845428
2.061670178918302 0.8742721607676904
2.110757564130642 0.8515980770383516
2.1598449493429825 0.8268724189502454
2.2089323345553233 0.8001547527794177
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2.356194490192345 0.708716410804463
2.405281875404685 0.6747199608569348
2.454369260617026 0.6390980514252137
2.5034566458293663 0.6019364988092311
2.552544031041707 0.563324828444207
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2.650718801466388 0.4821264794206068
2.6998061866787286 0.4397354146969642
2.748893571891069 0.39628498884304386
2.7979809571034093 0.3518798777405344
2.84706834231575 0.30662705719151107
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2.945243112740431 0.21401613935982428
2.9943304979527716 0.16688114988997554
3.043417883165112 0.11934412911297979
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