Resonance kev nyuaj siab. Yuav ua li cas resonance Circuit Court

Resonance yog ib qho ntawm feem ntau nyob rau hauv cov xwm, lub cev phenomena. Cov tshwm sim ntawm resonance tau cai nyob rau hauv tus neeg kho tshuab, hluav taws xob thiab txawm thermal system. Yog tsis muaj resonance, peb tsis tau muaj ib tug xov tooj cua, TV, suab paj nruag thiab txawm swings ntawm qhov chaw ua si, tsis hais zoo diagnostic systems siv nyob rau hauv niaj hnub tshuaj. Ib qho ntawm feem nthuav thiab pab tau hom resonance Circuit Court yog ib tug resonance voltage.

Lub ntsiab ntawm lub resonant Circuit Court

Resonance zaum yuav tshwm sim nyob rau hauv lub thiaj li hu ua RLC-circuits, muaj cov nram no Cheebtsam:

• R - resistors. Cov pab kiag li lawm hais txog qhov thiaj li hu ua active ntsiab ntawm qhov hluav taws xob Circuit Court, hluav taws xob lub zog yog hloov dua siab tshiab rau hauv tshav kub. Nyob rau hauv lwm yam lus, lawv muab lawv lub hwj chim los rau hauv Circuit Court thiab hloov nws mus rau hauv tshav kub.
• L - inductance. Inductance nyob rau hauv hluav taws xob circuits - analog ntawm loj los yog inertia nyob rau hauv cov neeg kho tshuab tshuab. Qhov no feem yog tsis heev hnov li nyob rau hauv lub Circuit Court kom txog thaum koj sim mus ua nws nyob rau hauv tej kev hloov. Nyob rau hauv mechanics, piv txwv li, xws li ib tug hloov yog cov kev hloov nyob rau hauv tshaj tawm. Cov hluav taws xob Circuit Court - tam sim no hloov. Yog hais tias nws rau ib co yog vim li cas tshwm sim, lub inductance counteracts xws Circuit Court tsoom fwv hloov.
• C - los rau capacitors, uas yog pab kiag li lawm uas cia hluav taws xob lub zog, cia li raws li lub caij nplooj ntoos hlav khaws zog txhua yam. Inductance concentrates thiab khw muag khoom noj magnetic zog, thaum lub sij hawm capacitor xwb concentrates thiab yog li khw muag khoom cov hluav taws xob.

Lub tswvyim ntawm cov resonant Circuit Court

Lub ntsiab tseem ceeb yog resonant Circuit Court inductance (L) thiab capacitance (C). Lub resistor muaj ib tug ib txwm mus damping ntawm oscillations, ces nws tuskheej hwj chim ntawm lub Circuit Court. Nyob rau hauv cov tshuaj ntsuam cov txheej txheem uas tshwm sim nyob rau hauv lub resonant Circuit Court, peb mus ib ntus tsis quav ntsej, tab sis nws yuav tsum tau nco ntsoov hais tias tias, zoo li tus quab yuam ntawm kev sib txhuam nyob rau hauv cov neeg kho tshuab tshuab, hluav taws xob kuj nyob rau hauv lub circuits yuav tsis muab tshem tawm.

Lub resonance ntawm resonance voltages thiab currents

Nyob rau cov qauv ntawm cov txuas lub ntsiab tseem ceeb ntawm cov resonance Circuit Court yuav ua tau serial thiab thaum uas tig mus. Thaum txuas lub series resonant Circuit Court mus rau ib tug voltage qhov teeb liab nrog ib tug zaus coinciding nrog ib tug tej yam ntuj tso zaus, nyob rau hauv tej yam tej yam kev mob, muaj tshwm sim rau hauv lub teb kev nyuaj siab. Lub resonance nyob rau hauv qhov hluav taws xob Circuit Court kev cob cog rua nyob rau hauv thaum uas tig mus nrog cov reactive ntsiab hu ua resonance currents.

Lub ntuj zaus ntawm lub resonant Circuit Court

Peb yuav ua rau lub system rau oscillate ntawm ib tug tej yam ntuj tso zaus. Ua li no, koj yuav tsum xub them cov capacitor, raws li qhia nyob rau hauv lub saum toj daim duab nyob rau sab laug. Thaum zoo li no yog ua li cas, lub ntsiab yog pauv mus rau txoj hauj lwm qhia nyob rau hauv tib daim duab nyob rau hauv txoj cai.

Thaum lub sij hawm "0", tag nrho cov hluav taws xob zog muab cia rau hauv lub capacitor, thiab tam sim no nyob rau hauv lub Circuit Court yog sib npaug zos rau zero (daim duab hauv qab no). Nco ntsoov tias lub sab saum toj phaj ntawm cov capacitor yog zoo them, thiab hauv qab - nyob rau hauv qhov tsis zoo. Peb yuav tsis pom lub oscillations ntawm electrons nyob rau hauv lub Circuit Court, tiam sis peb muaj peev xwm ntsuas tam sim no ammeter, thiab nrog oscilloscope rau lw lub dependence ntawm qhov tam sim no lub sij hawm. Nco ntsoov tias T rau peb lub sij hawm - lub lub sij hawm nws yuav siv sij hawm mus ua kom tiav ib tug oscillation kabmob nyob rau hauv hluav taws xob engineering hu ua "hesitation lub sij hawm."

Tus tam sim no ntws nyob rau hauv ib tug clockwise kev taw qhia (saib daim duab hauv qab no). Zog yog kis los ntawm cov condenser rau lub inductor. Thaum xub thawj siab ib muag tej zaum nws yuav zoo li coj txawv txawv hais tias cov inductance muab zog, tab sis nws yog zoo li tus kinetic zog muaj nyob rau hauv lub mus loj.

Lub ndlwg ntawm lub zog yog rov qab mus rau lub condenser, tab sis nco ntsoov tias cov polarity ntawm lub capacitor tau tam sim no hloov. Nyob rau hauv lwm yam lus, lub hauv qab phaj tam sim no muaj ib tug zoo xwb thiab lub Upper phaj - tsis zoo xwb (daim duab hauv qab no).

Lub system yog tam sim no mas nyob, thiab lub zog pib ntws los ntawm lub condenser rov qab mus rau lub inductance (saib daim duab hauv qab no). Raws li ib tug tshwm sim, lub zog yog kiag li rov qab mus rau nws cov starting taw tes thiab yog npaj txhij yuav pib lub voj voog anew.

Lub oscillation zaus yuav approximated raws li nram no:

• F = 1 / 2π (LC) ^0,5,

qhov twg: F - zaus, L - inductance, C - capacitance.

Xam tias yog nyob rau hauv qhov kev piv txwv, cov txheej txheem qhia rau lub cev essence ntawm voltage resonance.

Kev tshawb nrhiav voltage resonance

Nyob rau hauv real LC circuits muaj yog ib txwm ib tug me ntsis kuj uas txo nrog txhua lub hlis kom cov tam sim no amplitude. Tom qab ob peb mus, tam sim no yog txo mus rau zero. Cov nyhuv no yog hu ua "damping ntawm sinusoidal teeb liab". Tus nqi tam sim no lwj rau xoom nyob ntawm cov kuj nyob rau hauv lub Circuit Court. Txawm li cas los, cov kuj tsis pauv cov zaus ntawm lub resonance Circuit Court oscillations. Yog hais tias tus kuj yog loj txaus, ib tug sinusoidal oscillation yuav tsis tshwm sim ntawm tag nrho cov nyob rau hauv lub voj.

Obviously, nyob qhov twg muaj ib tug tej yam ntuj tso zaus ntawm oscillation yuav resonance excitation txheej txheem. Peb ua li no los ntawm xws li nyob rau hauv ib tug daisy saw fais fab mov ntawm alternating tam sim no (AC), raws li muaj nyob rau sab laug. Lub sij hawm "nce mus nce los" qhia hais tias tus twg los tso zis voltage txawv nrog ib tug tej zaus. Yog hais tias lub hwj chim qhov twg los zaus coincides nrog lub ntuj zaus ntawm lub Circuit Court, voltage resonance tshwm sim.

Cov ntsiab lus uas tshwm sim

Tam sim no peb xav txog qhov tej yam kev mob ntawm tshwm sim ntawm voltage resonance. Raws li muaj nyob rau hauv lub xeem daim duab, peb xa rov qab mus rau lub resistor nyob rau hauv lub Circuit Court. Muaj tsis muaj resistor nyob rau hauv lub tam sim no lub voj nyob rau hauv lub resonant Circuit Court yuav nce mus rau ib tug nqi siab tshaj plaws txiav txim los ntawm lub Circuit Court caij tsis thiab fais fab mov. Ua tus kuj ntawm lub resistor nyob rau hauv lub resonance Circuit Court tsub kom tus nyiam mus rau lub attenuation ntawm qhov tam sim no nyob rau hauv lub Circuit Court, tab sis tsis cuam tshuam rau zaus ntawm resonance deeg. Feem ntau, cov voltage resonance hom tsis tshwm sim yog hais tias tus impedance ntawm lub resonance Circuit Court satisfies R = 2 (L / C) ^0,5.

Siv resonance voltages rau xov tooj cua kis tau tus mob

Voltage resonance phenomenon tsis yog tsuas yog ib lub cev mas tshwm sim. Nws plays ib tug tseem ceeb heev luag hauj lwm nyob rau hauv wireless kev sib txuas lus tshuab - xov tooj cua, TV, cellular telephony. Transmitters siv rau wireless kis tau tus mob ntawm cov ntaub ntawv tas muaj circuitry kom resonate hauv ib lub zaus rau txhua tus ntaus ntawv yog hu ua cov cab kuj zaus. Los ntawm txhais tau tias ntawm lub kis kav hlau txais xov kev cob cog rua rau lub transmitter, nws emits electromagnetic vuag ntawm cov cab kuj zaus.

Cov kav hlau txais xov ntawm lwm yam kawg transceiver txoj kev tau txais lub teeb liab thiab muab nws rau lub txais Circuit Court tsim kom resonate nyob rau cov cab kuj zaus. Nws yog pom tseeb tias cov kav hlau txais xov tau txais ib tug plurality ntawm Pib ntsais koj teeb ntawm txawv frequencies, tsis hais cov tom qab suab nrov. Vim lub muaj nyob rau hauv txais ntaus ntawv tig mus rau lub cab kuj zaus ntawm lub resonant Circuit Court, lub receiver tsuas xaiv qhov tseeb zaus, filtering tawm tag nrho tsis tseem ceeb.

Tom qab tebchaws lub amplitude modulated (AM) xov tooj cua, ib saab tsawg zaus teeb liab hauv therefrom (LF) yog amplified thiab pub lub suab ua ntaus ntawv. Qhov no yog qhov nyuaj hauv daim ntawv ntawm cov xov tooj cua yog rhiab heev rau suab nrov thiab cuam.

Yuav kom txhim kho txoj kev zoo ntawm tus tau txais ntaub ntawv tsim thiab ntse siv lwm yam, ntau tshaj txoj kev mloog xov tooj cua kis tau tus mob, uas yog tau raws nyob rau kev siv ntawm tuned resonant systems.

Zaus tes taws los piav thiab cov FM-xov tooj cua daws ntau ntawm cov teeb meem nrog lub xov tooj cua kis amplitude modulated teeb liab, tab sis nyob rau tus nqi ntawm tseem ceeb complexity kis tau tus mob system. Lub FM-xov tooj cua system suab hluav taws xob huam yog hloov dua siab tshiab rau hauv me me kev hloov nyob rau hauv cov cab kuj zaus. Daim ntawm cov khoom uas ua no hloov dua siab tshiab yog hu ua ib tug "modulator" yog siv nrog lub transmitter.

Raws li, qhov receiver yuav tsum muab ntxiv mus rau ib tug demodulator rau converting lub teeb liab rov qab mus rau hauv ib daim ntawv uas yuav ua tswv cuab los ntawm cov loudspeaker.

Lwm yam kev piv txwv siv ib tug voltage resonance

Resonance voltages li cov ntsiab tseem ceeb no yog tseem siv nyob rau hauv lub circuitry ntawm ntau cov ntxaij lim dej, yog lug siv nyob rau hauv hluav taws xob engineering los mus tshem tawm qhov teeb meem thiab pliaj Pib ntsais koj teeb, thiab smoothing lub mem generating sinusoidal Pib ntsais koj teeb.