Localization of high speed vehicles using continuous...

Details Localization of high speed vehicles using continuous... Localization of high speed vehicles using continuous...

2006-12-12

2006-12-12

Lobo, Ian J. (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Echo systems

Distance or direction finding

C367S099000, C342S145000

Reexamination Certificate

active

07149148

ABSTRACT:
The selection of multiple, suitably designed, demodulation reference signals can enable the measurement of a vehicle's speed using continuously transmitted frequency modulated (CTFM) signals. The unique solution of vehicle speed can be used to resolve the range Doppler ambiguity found in conventional CTFM sonar and radar systems. This can enable continuous range and speed estimates of high-speed vehicles with an attendant reduction in transmit power relative to pulse-echo systems with similar measures of performance due to the 100% duty cycle.

REFERENCES:
patent: 5194870 (1993-03-01), Pearce et al.
patent: 5657022 (1997-08-01), Van Etten et al.
patent: 6664919 (2003-12-01), Isaji

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