forager 发表于 2025-3-30 11:55:19

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搬运工 发表于 2025-3-30 13:46:08

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CAPE 发表于 2025-3-30 19:52:44

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宿醉 发表于 2025-3-31 00:22:02

Discrete Wavelet Transform: From Frames to Fast Wavelet Transform time domain into the two-dimensional time-frequency plane. In the case of the continuous wavelet transform the scaling . and delay . are assumed to be continuous in value; that is, it is said that the CWT is defined in the (ℝ.). plane where the parameters a and b are continuous in value: ( . ∈ℝ. an

有斑点 发表于 2025-3-31 04:19:13

Discrete Wavelet Transform: From Frames to Fast Wavelet Transform time domain into the two-dimensional time-frequency plane. In the case of the continuous wavelet transform the scaling . and delay . are assumed to be continuous in value; that is, it is said that the CWT is defined in the (ℝ.). plane where the parameters a and b are continuous in value: ( . ∈ℝ. an

FILLY 发表于 2025-3-31 07:59:34

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Harass 发表于 2025-3-31 11:13:51

Theory of Subband Decompositionof audio subband coding shown in Figure 5.1.1. Let us say that one needs to sample the signal at a 10-kHz rate which corresponds to a bandwidth of 5 kHz.* If we need an accuracy of 16 bits, then we need to transmit or store a total of 160 Kb/s. As shown in Figure 5.1.1, in practice, the energy near

abolish 发表于 2025-3-31 13:20:36

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hankering 发表于 2025-3-31 19:56:50

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Perineum 发表于 2025-4-1 00:51:59

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查看完整版本: Titlebook: Wavelets and Subbands; Fundamentals and App Agostino Abbate,Casimer M. DeCusatis,Pankaj K. Das Textbook 2002 Birkhéuser Boston 2002 Communi