共轭对称 meaning in English

conjugate symmetry

Then , according to characteristic of four kinds of butterfly operation in real number signal integer fft transform keeping modulus conjugating with symmetry , different lifting matrixes has been got and real number signal integer fft transform keeping modulus conjugating with symmetry can been achieved
然后，根据实信号保持共轭对称性的fft整数变换中的四类蝶形运算特点分别构造不同的提升矩阵，从而实现实信号保持共轭对称性的fft整数变换。