This paper mainly introduces characteristics of the FM screening and the principle of dot appearance.
主要介绍调频加网技术的特点和网点产生的原理。
Research results show that by using the pseudo random function and RIP for AM screening, the image of separate color can be input in the form of FM screening.
研究表明，采用伪随机函数，对分色后的图象文件进行调频加网，再经现有的调幅加网RIP，可实现图象的调频加网输出；
A printing plate comes with sharp detail , whether it's FM or am screening has excellent performance.
印版还具备锐利的细节，无论是调频或调幅加网都有极好的表现。
The main conclusions: (1) FM network is not higher the better the printed results, but up to a certain post-screening lines instead of its print quality began to decline.
主要结论：(1)调频加网不是越高，其印刷效果就越好，而是达到一定的加网线数后其印刷质量反而开始下降。
The main conclusions: (1) FM network is not higher the better the printed results, but up to a certain post-screening lines instead of its print quality began to decline.
主要结论：(1)调频加网不是越高，其印刷效果就越好，而是达到一定的加网线数后其印刷质量反而开始下降。
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