| 摘要 |
A velocity decoder system capable of providing information on a wide range of velocities is disclosed. Initially, an estimated velocity of the actual velocity is entered in the system. Then by constantly updating and correcting the estimated velocity in view of the actual velocity, accurate velocity information on a system is obtained almost instantaneously. To broaden the range of velocities decoded without unduly complicating the decoder system or greatly decreasing the sampling rate, circuitry for autoranging that enable utilization of common circuits for different ranges is implemented.
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