| 摘要 |
2120236 9311447 PCTABS00022 A vehicle mounted radar tracking system (25) monitors vehicle heading rate (203), vehicle heading acceleration (215), vehicle roll rate (222) and vehicle pitch rate (231), and provides a turn detect signal (240) in response to heading rate, heading acceleration, roll rate or pitch rate being in excess of corresponding enable threshold magnitudes (218, 205, 225, 235). In response to the turn detect signal, the tracking system dead reckons (300) the positions of targets being tracked, and tracking system parameters (93, 105) are varied to make it more responsive to target motion. The turn detect signal is removed in response to heading rate, heading acceleration, roll rate and pitch rate being less than corresponding disable threshold magnitudes, and the tracking system is returned to normal operation.
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