A New System of Compass Correction
多尼克F1>元宵节几月几日
期刊名称： Journal of Navigation
板栗怎么做好吃又简单>中华好少年作者： G. N. Harvey
萧伯纳的名言年份： 1948年
期号： 第3期
沈同摘要：This paper is concerned with two different problems. The first of the is to correct a magnetic compass so that the esntial relationships for zero deviation are maintained even when the ship rolls and pitches. The Harvey-Raynes corrector is described and its advantages are explained. This corrector makes it possible to steady the compass at any time without affecting the accuracy of the existing deviation card. The cond problem considered is the automatic correction of deviation for transmitting magnetic compass. A system of 'point-by-point' correction is developed, bad upon the reprentation of the deviating force by a truncated Fourier ries; it is shown that such a truncated r
长姓ies may be reprented mathematically in a form immediately suitable for practical application, some such forms being described in detail.
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