Fourier inverse transform IFFT, to restore the signal from the frequency domain.

用傅里叶反变换IFFT, 从频域恢复信号.

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Off to do a secret as long as the inverse transform it.

脱密只要做一次逆变换就可以了.

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During decoding, components are reconstructed by the simple inverse transform.

解码则是通过简单的逆变换,以得到重构的色彩分量.

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We improved arithmetics of Mercator mapping transform and inverse transform.

改进了墨卡托变换与逆变换算法.

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