LMEC-19 Doppler Effect Experiment
Experiments
1. The resonant frequency of ultrasonic transducer;
2. Measuring Doppler effect
3. The velocity of sound is measured by Doppler effect.
Main technical parameters
Description |
Specifications |
Power signal source | Signal frequency: 20hz ~ 60 khz
Minimum step value: 0.0011 hz Frequency accuracy: ±20ppm Output voltage: 1mv ~ 20vp-p Impedance 50 ohm |
Stepping motor intelligent motion control system | Linear uniform motion 0.01 ~ 0.2m/s adjustable, positive and negative direction operation. with limit protection: Photoelectric threshold, travel switch limit |
Doppler frequency shift | 0 to ± 10hz |
System frequency measurement accuracy | ±0.02hz |
Resolution of frequency measurement | 0.01hz |
Dual trace oscilloscope | Self-prepared |
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