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GEOID MEASUREMENT METHOD, GEOID MEASUREMENT APPARATUS, GEOID ESTIMATION DEVICE, AND GEOID CALCULATION DATA COLLECTION DEVICE
GEOID MEASUREMENT METHOD, GEOID MEASUREMENT APPARATUS, GEOID ESTIMATION DEVICE, AND GEOID CALCULATION DATA COLLECTION DEVICE
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机译：大地摩托测量方法，大地区测量装置，大地区估计装置和地摩网计算数据收集装置
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摘要
A change in geoid height is measured easily. A geoid measurement method of the present invention executes an inertial measurement data acquiring step, a comparison data acquiring step, a state variable estimating step, and a geoid calculating step. In the inertial measurement data acquiring step, data related to velocity, position, and attitude angle is acquired as inertially-derived data based on the output of an inertial measurement part having a three-axis gyro and a three-axis accelerometer attached to a moving body. In the comparison data acquiring step, data related to velocity is acquired as comparison data from a source other than the inertial measurement part. In the state variable estimating step, state variables including a plumb line deviation are estimated by using the inertially-derived data and the comparison data to apply a Kalman filter in which the plumb line deviation is included in the state variables. In the geoid calculating step, a change in geoid height is calculated based on the estimated plumb line deviation at an estimated position that the estimating applied to.
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