Pono nā mika kahe ultrasonic i nā kūlana kahe i hoʻomohala piha ʻia e hōʻoia i ka hana ʻana o ka mika e like me ka mea i kuhikuhi ʻia. ʻElua ʻano kumu o nā loina ana, ʻo Doppler a me Transit Time. Pono nā mea ʻelua e pili i nā alakaʻi hoʻonohonoho kumu e hōʻemi i nā hewa i hoʻokumu ʻia e nā haunaele o ke kahe ʻana o ke kahe. Eia nō naʻe, ʻokoʻa kēia mau koi e ka mea hana, hiki ke alakaʻi i kekahi huikau; ua ʻike mākou i nā ʻōlelo paipai e like me 10 mau paipu pololei e holo ana i uka a me 5 mau paipu pololei e holo ana i lalo.
He ʻōnaehana paipu e loaʻa ana nā lōʻihi o ka paipu pololei e like me nā mea i wehewehe ʻia ma ka Papa ma lalo nei. Pili nā ʻōlelo paipai no ke anawaena paipu pololei kūpono i nā paipu ma ke ʻano ākea a me ke kū pololei. Pili nā holo pololei ma ka Papa i nā wikiwiki wai he 7 FPS [2.2 MPS]. Ke piʻi aʻe ka wikiwiki wai ma luna o kēia helu maʻamau, piʻi like ke koi no ka paipu pololei.
Ka manawa hoʻouna: ʻOkakopa-14-2021