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Puas interpolation nce bandwidth?

Cov txheej txheem:

Puas interpolation nce bandwidth?
Puas interpolation nce bandwidth?

Video: Puas interpolation nce bandwidth?

Video: Puas interpolation nce bandwidth?
Video: Computer Vision with Python! Resizing Images 2024, Tej zaum
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Ib yam li rau matlab thiab Octave, 'interpolation' suav nrog kev lim tom qab tso xoom, uas dua puas hloov lub bandwidth- lo lus 'upsampling' raug txhais tias nce tus qauv tus nqi yam tsis muaj filtering.

interpolation filter ua dab tsi?

"Upsampling" yog tus txheej txheem ntawm kev ntxig xoom-tus nqi piv txwv ntawm cov qauv qub kom nce tus nqi piv txwv. … “Interpolation”, nyob rau hauv lub siab DSP, yog cov txheej txheem ntawm upsampling ua raws li lim. (Lub filtering tshem tawm cov duab tsis xav tau spectral.)

Kev cuam tshuam hauv kev ua cov teeb liab yog dab tsi?

Nyob rau hauv lub lag luam ntawm cov teeb liab ua tiav, lub sij hawm interpolation yog hais txog cov txheej txheem ntawm kev hloov cov qauv digital teeb liab (xws li lub teeb liab ua piv txwv) mus rau qhov piv txwv siab dua (Upsampling) siv ntau yam digital cov txheej txheem lim dej (piv txwv li, convolution nrog lub teeb liab zaus txwv tsis pub dhau).

Kev cuam tshuam hauv kev piv txwv yog dab tsi?

Nyob hauv cov suab paj nruag nrov, kev sib cuam tshuam (tseem hu ua cov qauv rov ua dua) yog hais txog kev siv suab paj nruag-los yog ib feem ntawm cov suab paj nruag (feem ntau nrog cov lus hloov kho)- los ntawm ib zaj nkauj yav dhau los tab sis rov sau dua. melody es tsis txhob sampling it.

Qhov txiaj ntsig ntawm kev kuaj yog dab tsi?

Upsampling pab los ntawm kev tso cai rau qee tus neeg lub npe raug tshem tawm digitally. Interpolation yog, tom qab tag nrho, qhov tseem ceeb yog cov txheej txheem tiv thaiv tus lej. Tab sis nws hloov tawm tias nws yooj yim dua los tsim kom muaj txiaj ntsig digital anti-aliasing lim dua li ib qho analog.

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