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Research on the Error Analysis and Correction Method for the Calculation Model of the Ship's True Wind
Author(s): 
Pages: 86-91
Year: Issue:  1
Journal: Ocean Technology

Keyword:  真风解算航速误差传递;
Abstract: 从船舶真风解算的模型出发,依据误差传播定律,分析了相对风测量误差和航速误差对真风解算的影响.视风的测量误差会直接传递给真风;航速小于15 kn时,航速误差传递给真风解算的误差可忽略不计,航速大于15 kn时,真风误差会随航速的增大而增大.真风解算模型忽略了海流因素,当水流速度不可忽略时,船舶的运动轨迹受水流影响,分析了海流引起的误差模型,给出了选用不同航向航速源下的真风误差修正量.
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