As hardware system using grating graphics display system, there are saw tooth-shaped distortion in compass screen when it rotates owing to the restrictions of the grating scan display.
由于硬件系统采用的是光栅图形显示系统，罗盘画面旋转受光栅扫描显示器的限制存在着锯齿形失真、扭曲等走样现象。
The focussing error is corrected by means of dynamic focussing module and the "pillow shaped" distortion is corrected with the software of the grid interpolating algorithm.
分别以动态聚焦模块校正聚焦误差，以网格插值算法软件校正“枕形”畸变。
The bell-shaped amplitude equalizer is a conventional device commonly used for equalizing the channel amplitude distortion.
钟形幅度均衡器是均衡通路幅度畸变的常用器件。
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