1. Doppler laser velocimeter is employed to measure the velocity field around hanged grid deflector plate.

2. All results indicate that YR-Electromagnetic flow velocimeter can be pratically used to measure flow velocity in Yellow River.

3. The application of laser velocimeter, high-speed digital camera and image processing software can be used to solve this problem and it is well received by athletes and coaches.

4. It is thought that the velocimeter can offer a simple and compact method to measure the speed of blood flow.

5. A simple spectrum-analyzing type laser velocimeter with high-accuracy is proposed.

6. In laser Doppler velocimeter application to rotational flow, the window effect will appear when measurement window rotates with the flow field.

7. The tangential velocity distribution in the annular region of a turbo air classifier was investigated by laser doppler velocimeter(LDV).

8. The axial velocity distribution at different radii and longitudinal positions (fore and aft propeller disc) were measured by means of a laser velocimeter.

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9. The structure and the experimental results of a remote controlled pulsed laser Doppler velocimeter is described.

10. The interstage flow field is analyzed by means of noncontact measuring and visualization device, such as PIV laser velocimeter .

11. In the first part of this paper, the principle and the error analysis of our ultrasonic velocimeter are presented, and a comparison with the"Sing Around Velocimeter"is given.

12. The bottom boundary layer under cnoidal waves was studied by using Acoustic Doppler Velocimeter(ADV) technique in a laboratory flume.

13. An experimental investigation of the shrouded centrifugal backswept impeller flow field has been conducted at off-design flow using Laser Doppler Velocimeter (LDV) and shaft encoder.

14. This paper describes the operation principles, characteristics and applications of a two-dimensional laser Doppler velocimeter.

15. This paper narrates the development actuality of the semiconductor laser technology, the application actuality of domestic velocimeter and the defects of existing laser velocimeters.

16. Velocity of solid targets and velocity distribution of flowing fields can be measured by Laser Doppler Velocimeter(LDV) technology based on Doppler Effect.

17. The basilar membrane vibration was elicited by tone and the effect of direct current stimuli were observed by Laser Doppler interference velocimeter .

18. PAN fibers with different drawing ratio and different preoxidation degree were investigated by means of sound velocimeter and X-ray diffraction meter.

19. In the control system for skin pass mill elongation, the measuring devices in common use are pulse generator and laser velocimeter , of which the control accuracy of the laser velocimeter is higher.

20. This paper introduces mainly the circuit design of the Laser velocimeter system; include emission module, pulse drive circuit, receiver module, computer interface and controlling software.