Teko ea LMEC-19 Doppler Effect
Liteko
1. The resonant frequency of ultrasonic transducer;
2. Ho lekanya phello ea Doppler
3. Lebelo la molumo le lekanngoa ka phello ea Doppler.
Mekhahlelo ea mantlha ea tekheniki
Tlhaloso | Litlhaloso |
Mohloli oa pontšo ea matla | Maqhubu a pontšo: 20hz ~ 60 khz Bonyane bo tlase ba boleng: 0.0011 hz Ho nepahala ha maqhubu: ± 20ppm Matla a tsoang: 1mv ~ 20vp-p Impedance 50 ohm |
Sistimi ea taolo ea motsamao o bohlale oa ho hatakela | Linear junifomo tshisinyo 0.01 ~ 0.2m/s ka fetolehang, positive le mpe tataiso tshebetso.ka tšireletso ea moeli: Moeli oa photoelectric, moeli oa ho tsamaea |
Phetoho ea maqhubu a Doppler | 0 ho isa ho ± 10hz |
Ho nepahala ha tekanyo ea maqhubu a tsamaiso | ±0.02hz |
Qeto ya tekanyo ya maqhubu | 0.01hz |
Oscilloscope ea likarolo tse peli | Boiketsi ba ho itokisetsa |
Ngola molaetsa wa hao mona mme o re romele wona