Uvavanyo lwe-LMEC-19 Doppler Effect

Inkcazo emfutshane:

Ukulinganisa isiphumo se-doppler kunye nesantya sesandi. Ukusetyenziswa kweyunivesithi okusemgangathweni ophezulu.

Iinkcukacha zeMveliso

Iithegi zeMveliso

Iimvavanyo
1. I-frequency ye-resonant ye-ultrasonic transducer;
2. Ukulinganisa isiphumo seDoppler
3. Isantya sesandi silinganiswa ngesiphumo seDoppler.
Iiparameter eziphambili zobugcisa

Inkcazo	Iinkcukacha
Umthombo wesignali yamandla	Isantya sesignali: 20hz ~ 60 khz Ixabiso elincinci lenyathelo: 0.0011 hz Ukuchaneka kwemvamisa: ±20ppm I-voltage yokuphuma: 1mv ~ 20vp-p Impedance 50 ohm
Inkqubo yolawulo lwentshukumo ekrelekrele ye-Stepping motor	Intshukumo efanayo yomgca 0.01 ~ 0.2m/s ukusebenza kwecala elihlengahlengiswayo, elihle nelibi. kunye nokhuseleko olunomda: Umgca we-Photoelectric, umda weswitshi yokuhamba
Utshintsho lwefrikhwensi yeDoppler	0 ukuya ku-± 10hz
Ukuchaneka kokulinganiswa kwamaza enkqubo	±0.02hz
Isisombululo sokulinganisa iifrikhwensi	0.01hz
I-oscilloscope enomkhondo ophindwe kabini	Ukuzilungiselela