通过假设预测方位和实测方位差值服从零均值的高斯分布，利用贝叶斯理论来修正各滤波器的权重。
And the weight of each filter is updated using Bayes theory based on the assumption that the difference between estimate and measurement bearings obeys Gaussian distributions with zero mean error.
针对轮胎花纹噪声仿真分析结果与实测数据存在差异的问题，进行了室内不同方位轮胎花纹噪声测量试验。
The difference between the simulated tread patterns' noise and the measured value was investigated by measuring the tread patterns' noise at the different indoor places.
在已知巷道掘进方位角前提下，仅现场实测两个伪倾角数值，经简单公式计算，便可得到顶板产状。
On condition that we have known the true azimuth of the tunnel and determined only two false dip in the tunnel, the attitude value has gotten by simple computation.
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