Dab tsi yog qhov kev ua tau zoo thiab qhov sib txawv ntawm qhov nruab nrab zaus rauv thiab lub tshuab ua haujlwm zaus?

Feem ntau siv ntawm nruab nrab zaus cua sov yog kev kho cua sov, qhov zaus yog 800 ~ 10000Hz. Kev ceev ceev, kev ua haujlwm siab thiab muaj kuab paug tsawg. Ib hom hluav taws xob zaus hluav taws xob rauv yog cov cua sov ua kom sov, thiab lwm yam yog cua sov induction. Raws li txoj cai, qhov nruab nrab zaus hluav taws xob rauv feem ntau yog qhov tsis muaj zog induction coil, thiab cov khoom siv hluav taws xob ntau zaus yog ib qho induction coil nrog cov hlau nplaum.