| 摘要 |
Aircraft gyro (20, 22) signals theta and phi , representative of pitch and roll attitude, respectively, and accelerometer (24, 26, 28) signals ax, ay, az, representative of longitudinal, lateral, and normal acceleration, respectively, are processed (30, 32, 34, 36, 38, 40) to produce signals aGSLO, aGSLA, and aGSN, representative of the longitudinal, lateral, and normal groundspeed rate components, respectively. The component signals are summed (50) to produce a signal representative of total aircraft groundspeed rate.
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