枕形失真

全息凹面光栅单色仪显象管荧光屏的平面性，使图象（栅）生延伸性失真，即枕形失真。

The flatness of screen of the picture tube generates extension distortion of the picture ( raster ), or pincushion distortion .

并对由振镜扫描引起的枕形失真的原因和纠正方法进行了研究，对系统的控制方法作了简单介绍。

The correcting method of the pillow distortion causing by scanning of the two galvanometer scanners is discussed too in the paper .

提高了行频后采用自动跟踪技术调整行幅及校正水平枕形失真的理论分析。

Adopt after increases a Frequency the auto follow the technique adjusts an and correct the level Pillow form lose the true theories analysis .

由此，在背投式图像显示装置（1）中可以实现基于远程操作的枕形失真、鼓形失真和不等腰梯形失真的校正。

This allows pin distortion and barrel distortion , as well as trapezial distortion to be corrected by remote control in the back-projection image display device ( 1 ) .