LMEC-19 Doppler hopena hoao

ʻO ka wehewehe pōkole:

Ke ana i ka hopena doppler a me ka wikiwiki o ke kani.Nā hoʻohana kulanui kiʻekiʻe.

Huahana Huahana

Nā hoʻokolohua
1. ʻO ke alapine resonant o ka ultrasonic transducer;
2. Ana i ka hopena Doppler
3. Ana 'ia ka velocity o ke kani e ka hopena Doppler.
Nā palena ʻenehana nui

wehewehe	Nā kikoʻī
Puna hōʻailona mana	'Ōlelo pinepine: 20hz ~ 60khz Waiwai ʻanuʻu liʻiliʻi: 0.0011 hz Ka pololei pinepine: ± 20ppm Puke uila puka: 1mv ~ 20vp-p 50 ohm
ʻŌnaehana hoʻokele naʻauao kaʻa kaʻa heʻe	ʻO ka neʻe ʻaʻahu laina laina 0.01 ~ 0.2m/s hiki ke hoʻololi ʻia, kūpono a me ka hana ʻino.me ka pale palena: Photoelectric paepae, huakaʻi kuapo palena
Hoʻololi pinepine Doppler	0 a ± 10hz
ʻO ka pololei o ke ana ʻana o ka ʻōnaehana	±0.02hz
Hoʻoholo o ke ana pinepine	0.01hz
ʻO ka oscilloscope hōʻailona ʻelua	Hoʻomākaukau ponoʻī