利用了调幅、调频加网各自的优势，改善了调幅与调频半色调之间的过渡，实现了在较低分辨率的设备上得出高精度的输出图像。
The algorithm efficiently improves the transition area between AM and FM halftoning. Besides, the precision of the output image was realized on low precision equipment.
所述调节系统具有调幅范围宽，调节精度高，操作方便，设备寿命延长，运行平稳可靠，节约能源等特点。
This control system features wide amplitude modulation range. high adjustment accuracy, easy operation. long service life, stable running and energy etc.
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