In 3-d profilometry based on structured light projection, the choice of low-pass filter to be used in the deformed pattern demodulation is crucial.
分析在光栅投影三维形貌测量中,用于对变形光栅像解调的低通滤波器的性能。
The laser direct writing(LDW) system SVGLDW 04 with a projection optical system and a spatial light modulator(LCD-SLM) can expose a reduction pattern directly on a photoresist plate.
通过双远心成像光路,激光直写(LDW)系统SVG-LDW04把液晶空间光调制器(LCD-SLM)上的光斑直接成像在光刻胶板上,得到高质量的光斑图形。
The laser direct writing(LDW) system SVGLDW 04 with a projection optical system and a spatial light modulator(LCD-SLM) can expose a reduction pattern directly on a photoresist plate.
通过双远心成像光路,激光直写(LDW)系统SVG-LDW04把液晶空间光调制器(LCD-SLM)上的光斑直接成像在光刻胶板上,得到高质量的光斑图形。
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