spatial frequency

• 空间频率

spatial frequency的用法和样例：

例句

1. Luminance masking and spatial frequency masking were considered in our scheme.
   此方法考虑了人的视觉所具有的亮度屏蔽和空间频率屏蔽特性。
2. Methods based on spatial frequencies evaluate the coefficients of the autocorrelation function of the texture.
   基于空间频率的方法估计纹理的自相关函数。