离散余弦变换DCT变换
discrete cosine transform
许-可变换
Schwarz-christoffel transformation
褶合变换-可视化指纹图谱
convolution transform-visualized fingerprint
错格实数傅里叶变换微分
Staggered grid real value FFT differentiation
双线性z变换微分器
Bilinear z transform differentiator
相数变换[变压]器
phasing transformer phase transformer
phase transformer phasing transformer
置换变换
displacement transformation