To calibrate and compensate the compass error of magnetic heading in a carrier with constant pitch Angle, the deviation compensation algorithm (DCA) for magnetic deviation compensation is put forward.

针对具有恒定俯仰角度载体的磁航向罗差标定和补偿问题，提出了一种用于磁罗差修正的偏差补偿算法(DCA)。

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An error compensation method for intelligent electromagnetic compass (IEMC) is studied.

研究了一种智能电子罗盘的误差补偿问题。

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The Oregon series has a built-in 3-axis electronic compass with accelerometer tilt compensation, which shows where users are heading even when they are standing still, or not holding it level.

ENGADGET: Four new Oregon touchscreen GPS devices pop up on Garmin's website (updated)