Vim li cas plaub lub koob siv?

Cov txheej txheem:

Vim li cas plaub lub koob siv?
Vim li cas plaub lub koob siv?

Video: Vim li cas plaub lub koob siv?

Video: Vim li cas plaub lub koob siv?
Video: Tshuaj theem vim li cas thiaj tau nqi ?/ Siv kho mob dab tsi?/paris polyphylla use for? 2024, Kaum ib hlis
Anonim

Fourier series tsuas yog txhais tau tias sawv cev rau lub sijhawm teeb tsa raws li qhov tsis muaj qhov kawg ntawm sine yoj Cheebtsam. Lub teeb liab tsis tu ncua tsuas yog lub teeb liab uas rov ua dua nws cov qauv ntawm qee lub sijhawm. Qhov laj thawj tseem ceeb uas peb siv Fourier series yog uas peb tuaj yeem txheeb xyuas tau zoo dua lub teeb liab hauv lwm lub npe es nyob rau hauv thawj lub npe

Lub hom phiaj ntawm Fourier series yog dab tsi?

Fourier Series kev taw qhia. Lub Fourier Series tso cai rau peb los ua qauv rau txhua lub sijhawm tsis txaus ntseeg nrog kev sib txuas ntawm sines thiab cosines.

Vim li cas peb siv Fourier series thiab Fourier hloov pauv?

Cov Fourier series yog siv los sawv cev rau lub sijhawm ua haujlwm los ntawm kev sib cais ntawm cov lus piav qhia nyuaj, thaum lub Fourier hloov pauv yog siv los sawv cev rau qhov dav dav, tsis muaj nuj nqis los ntawm kev txuas mus ntxiv. superposition los yog ib feem ntawm complex exponentials.

Puas yog Fourier series tshwj xeeb?

So the Fourier series of f is unique.

Fourier Transform yog dab tsi?

Fourier hloov pauv yog dab tsi? Nyob rau theem siab Fourier hloov pauv yogkev ua lej lej uas hloov lub teeb liab los ntawm lub sijhawm sau mus rau qhov ntau zaus Qhov no yog qhov hloov pauv muaj zog heev uas ua rau peb muaj peev xwm nkag siab cov zaus hauv ib qho. signal.

Pom zoo: