Velocity measurement apparatus of moving object

Details Velocity measurement apparatus of moving object Velocity measurement apparatus of moving object

1996-02-15

1997-09-16

Pihulic, Daniel T.

Communications, electrical: acoustic wave systems and devices

Echo systems

Speed determination

G01S 1358

Patent

active

056687761

ABSTRACT:
A velocity measurement apparatus is disclosed which is composed of a transmitter having a plurality of elements for transmitting a signal wave, a receiver having a plurality of elements for receiving a reflected signal from a target object, and a Fourier transformation processor for two-dimensionally Fourier transforming a two-dimensional received signal in an array direction and a time axial direction of the plurality of elements of the receiver. The two-dimensional received signal is derived by repeating the transmission and reception operations a plurality of times. The velocity measurement apparatus measures a moving velocity of the target object directing to the means for receiving.

REFERENCES:
patent: 4325065 (1982-04-01), Caputi, Jr.
Katakura, JPn. J. Appl. Phys. vol. 34 (1995), pp. 2215-2518 May 1995.
Katakura et al., 1992 IEEE Ultrasonics Symposium 1187-1190.

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