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# 신호 분석

데시메이션된 1차원 웨이블릿 변환 및 데시메이션되지 않은 1차원 웨이블릿 변환, 1차원 이산 웨이블릿 변환 필터 뱅크, 1차원 이중 트리 변환, 웨이블릿 패킷

이산 웨이블릿 변환, 이중 트리 변환, 웨이블릿 패킷을 사용하여 신호를 분석합니다.

## 함수

모두 확장

 `wavedec` 멀티레벨 1차원 이산 웨이블릿 변환 `waverec` 멀티레벨 1차원 이산 웨이블릿 변환 복원 `dwtfilterbank` Discrete wavelet transform filter bank `dualtree` Kingsbury Q-shift 1-D dual-tree complex wavelet transform `idualtree` Kingsbury Q-shift 1-D inverse dual-tree complex wavelet transform `haart` Haar 1-D wavelet transform `ihaart` Inverse 1-D Haar wavelet transform `dddtree` Dual-tree and double-density 1-D wavelet transform `idddtree` Inverse dual-tree and double-density 1-D wavelet transform `tqwt` Tunable Q-factor wavelet transform `itqwt` Inverse tunable Q-factor wavelet transform `tqwtmra` Tunable Q-factor multiresolution analysis `appcoef` 1차원 근사 계수 `detcoef` 1차원 세부성분 계수 `wrcoef` 1차원 웨이블릿 계수에서 단일 분기 복원하기 `dddtreecfs` Extract dual-tree/double-density wavelet coefficients or projections `dtfilters` Analysis and synthesis filters for oversampled wavelet filter banks `qbiorthfilt` First-level dual-tree biorthogonal filters `qorthwavf` Kingsbury Q-shift filters
 `dwpt` Multisignal 1-D wavelet packet transform `idwpt` Multisignal 1-D inverse wavelet packet transform `wpdec` 웨이블릿 패킷 분해 1차원 `wprec` Wavelet packet reconstruction 1-D `wpcoef` Wavelet packet coefficients `wprcoef` Reconstruct wavelet packet coefficients `besttree` Best tree wavelet packet analysis `wpspectrum` Wavelet packet spectrum `wpviewcf` Plot wavelet packets colored coefficients `otnodes` Order terminal nodes of binary wavelet packet tree `depo2ind` Node depth-position to node index `ind2depo` Node index to node depth-position
 `modwt` Maximal overlap discrete wavelet transform `imodwt` Inverse maximal overlap discrete wavelet transform `modwtmra` Multiresolution analysis based on MODWT `modwtcorr` Multiscale correlation using the maximal overlap discrete wavelet transform `modwtvar` Multiscale variance of maximal overlap discrete wavelet transform `modwtxcorr` Wavelet cross-correlation sequence estimates using the maximal overlap discrete wavelet transform (MODWT) `swt` 이산 정상 웨이블릿 변환 1차원 `iswt` Inverse discrete stationary wavelet transform 1-D `modwpt` Maximal overlap discrete wavelet packet transform `imodwpt` Inverse maximal overlap discrete wavelet packet transform `modwptdetails` Maximal overlap discrete wavelet packet transform details
 `dwtleader` Multifractal 1-D wavelet leader estimates `wfbm` Fractional Brownian motion synthesis `wfbmesti` Parameter estimation of fractional Brownian motion
 `dwtmode` Discrete wavelet transform extension mode `dyaddown` Dyadic downsampling `dyadup` Dyadic upsampling `measerr` Quality metrics of signal or image approximation `plotdt` Plot dual-tree or double-density wavelet transform `tnodes` Determine terminal nodes `treedpth` Tree depth `wavemngr` Wavelet manager `wenergy` 1차원 웨이블릿 또는 웨이블릿 패킷 분해를 위한 에너지 `wentropy` Wavelet entropy `wextend` Extend vector or matrix `wmaxlev` Maximum wavelet decomposition level `wvarchg` Find variance change points

## 앱

 신호 다중분해능 분석기 Decompose signals into time-aligned components