Meanwhile, by polyphase factorization, it was proved that the low-pass filter satisfies perfect reconstruction condition.
同时借助多相位分解，证明了多通道低通滤波器满足完全重构条件。
Meanwhile, by polyphase factorization, it was proved that the low-pass filter satisfies perfect reconstruction condition.
同时借助多相位分解，证明了多通道低通滤波器满足完全重构条件。
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