acoustic field measurement
- It is very important to pick out the qualified flakes by acoustic field measurement in equipment manufacture.
- Total field measurement is not always desirable.
- The 3-D Stress Field Measurement with Phase-shift Isodyne[J].
- The principle of the car acceleration noise is discussed and the acoustic field model for underneath car cavity is derived.
- The trajectories of particle movements in a standing wave acoustic field are recorded by fast-speed video camera.