The diffusion speed of the equation is determined based on the fringe density.
在该方法中，方程的演化速度是由条纹的密度决定的。
It is often desirable to apply pitch mismatch or rotational mismatch to increase the fringe density.
经常希望采用间距错配或转动错配以增加条纹密度。
By means of orthogonal experiment, the effects of noise, visibility and fringe density on the measuring accuracy of fringe direction and space are analysed in detail.
采取正交实验手段，全面分析了噪声、条纹对比度和密度对条纹方向及间距测量精度的影响。
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