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你说的发散角是指fov么? FOV有dmd微镜阵列面积以及光学系统共同决定。也会用投射比来表述
12度是微镜的偏转角度。投影的向上倾斜是光学系统设计决定的offset.
可以你参考ti.com上面的文档
ttps://training.ti.com/fundamentals-dlp-technology?context=1138044-1147930