On the basis of establishing the leeway motion model, the laws of the motion are studied and the strategy on ship off-course correction is discussed by using reasonable rudder Angle timely.
在建立船舶偏航运动模型的基础上，对偏航运动规律进行分析，提出适时合理地采用舵角进行偏航控制的策略。
According to the obvious difference of yaw-bias in different voyage calibrations, the result of analysis shows that the leeway and drift Angle is the primary reason.
针对目前多波束艏摇偏差参数不同航次校准其结果相差很大的问题，分析得出了风流压差是产生此差值的主要原因。
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