Nyocha nke ultrasound ahụike bụ akụkụ dị mkpa nke ngwa ultrasound nke ahụike.Ụkpụrụ ya bụ isi bụ iji mgbasa ozi na ntụgharị uche nke ebili mmiri ultrasonic na anụ ahụ mmadụ iji nweta ihe oyiyi site na nnyefe na ịnweta ọrụ nke nyocha iji nweta nchọpụta ahụike na ọgwụgwọ.
Enwere ike kewaa ụkpụrụ nke nyocha ultrasound ahụike n'akụkụ ndị a:
1. Mmetụta Piezoelectric: Nyocha ultrasound nke ahụike na-ejikarị ihe piezoelectric eme ihe, dị ka kristal quartz, ceramics, wdg Mgbe ọkụ eletrik na-akpali, ihe ndị a na-enweta mmetụta piezoelectric, ya bụ, nrụrụ ọrụ.N'iji mmetụta a, ihe piezoelectric nwere ike ịmegharị site na mkpali ọkụ eletrik, si otú ahụ na-emepụta ebili mmiri ultrasonic.
2. Pulse wave emission: Nyocha ultrasound nke ahụike na-emepụta ebili mmiri ultrasonic site na ebili mmiri usu.Mgbe ihe na-enwe obi ụtọ site na ọkụ eletrik, ọ na-ama jijiji nke ọma, na-emepụta ultrasonic pulses.Udi nke usu na ugboro nke vibration dabere na nyocha imewe na mbanye voltaji.
3. Nkuku ebili mmiri na-anabata: Na mgbakwunye na ịnyefe ebili mmiri ultrasonic, a na-ejikwa nyocha ultrasound nke ahụike na-enweta akara ngosi ultrasonic gosipụtara.Mgbe ebili mmiri ultrasound gafere site na anụ ahụ, a na-egosipụta ha ma gbasasịa azụ na mmewere nke nyocha.Ihe na-anata ihe na-agbanwegharị igwe igwe ka ọ bụrụ akara ngosi ụgwọ, nke a na-atụgharị ka ọ bụrụ onyonyo site na sekit nhazi mgbama.
4. Njirimara ụda ụda: geometry na nhazi nke nnyefe na ịnweta ihe nke nyocha nke ultrasound ahụike ga-emetụta kpọmkwem àgwà ụda ụda.Ụda ụda na-ezo aka na ikesa ike nke ebili mmiri ultrasonic na-agbasa na ọkara.Nyocha ultrasound nke ahụike na-ejikarị teknụzụ na-elekwasị anya na-eme ka ike itinye uche nke ụda ụda dị elu, na-ebute ihe oyiyi doro anya.
5. Mmetụta Doppler: Nyocha ultrasound nke ahụike nwekwara ike iji mmetụta Doppler tụọ ọsọ na ntụziaka nke mmiri.Mgbe ebili mmiri ultrasonic na-ezute mmegharị mmiri, mgbanwe ugboro na-apụta, nke dabara na ọsọ mmiri.Site n'ịtụ oke na ntụzịaka nke mgbanwe ugboro ugboro, enwere ike nweta ozi gbasara mmegharị mmiri.
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Oge nzipu: Jan-18-2024
