Low pass thiab bandpass yog dab tsi?
Low pass thiab bandpass yog dab tsi?

Video: Low pass thiab bandpass yog dab tsi?

Video: Low pass thiab bandpass yog dab tsi?
Video: Zaj qhia mus muab kuv cov drum los siv hauv caustic3 2024, Kaum ib hlis
Anonim

A bandpass lim tso cai rau cov teeb liab ntawm ob qhov tshwj xeeb zaus rau hla , tab sis qhov kev ntxub ntxaug tawm tsam cov cim ntawm qee zaus. Lopass lim yog lim uas hla Pib ntsais koj teeb nrog ib tug zaus qis dua ib tug tej yam cutofffrequency thiab minimizes signals nrog frequencies siab tshaj qhov txiav.

Tsis tas li ntawd, qhov tsawg pass channel thiab bandpass channel yog dab tsi?

A bandpass lim yog qhov sib xyaw ua ke ntawm a lowpass thiab siab hla lim ua ke. Teb (1 ntawm 4): Tsawg - hla hais txog a channel nrog ib tug bandwidth uas pib ntawm xoom thaum a bandpass yog a channel nrog lub bandwidth uas tsis pib ntawm xoom.

Ib yam li ntawd, low pass high pass thiab band pass filter yog dab tsi? Cov lim Siv Op-Amps | Band Pass , Band Nres, High Pass & Low Pass Filter . Qhov lim yog tsim nyob ib ncig ntawm a txiav tawm zaus , thiab tsuas tso cai rau cov qis frequencies rau hla dhau.

Ib sab saum toj no, dab tsi yog bandpass lim siv rau?

Nyob rau hauv lub receiver, a bandpass lim tso cai rau cov teeb liab nyob rau hauv ib qho kev xaiv ntau zaus kom hnov los yog txiav txim siab, thaum tiv thaiv cov teeb liab ntawm qhov tsis xav tau ntau zaus los ntawm kev nkag mus. A bandpass lim kuj optimizes lub teeb liab-rau-suab piv piv thiab rhiab heev ntawm ib tug receiver.

Dab tsi yog qhov bandwidth ntawm lub lim bandpass?

Qhov "Q" ntawm a band pass lim yog theratio ntawm Resonant Frequency, (ƒr) mus rau Bandwidth . band pass lim yog: 346Hz / 400Hz = 0.865.

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