ドキュメンテーション

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マルチレート フィルターと多段フィルター

間引き、内挿、レート変換

System object

dsp.CICCompensationDecimator Compensate for CIC decimation filter using FIR decimator
dsp.CICCompensationInterpolator Compensate for CIC interpolation filter using FIR interpolator
dsp.CICDecimator Decimate input using Cascaded Integrator-Comb filter
dsp.CICInterpolator Interpolate signal using Cascaded Integrator-Comb filter
dsp.DigitalDownConverter Translate digital signal from Intermediate Frequency (IF) band to baseband and decimate it
dsp.DigitalUpConverter Interpolate digital signal and translate it from baseband to Intermediate Frequency (IF) band
dsp.DyadicAnalysisFilterBank Dyadic analysis filter bank
dsp.DyadicSynthesisFilterBank Reconstruct signals from subbands
dsp.FarrowRateConverter Polynomial sample rate converter with arbitrary conversion factor
dsp.FilterCascade Construct a cascade of filter System objects
dsp.FIRDecimator Polyphase FIR decimator
dsp.FIRHalfbandDecimator Halfband decimator
dsp.FIRHalfbandInterpolator Halfband interpolator
dsp.FIRInterpolator Polyphase FIR interpolator
dsp.FIRRateConverter Sample rate converter
dsp.HDLFIRRateConverter Upsample, filter, and downsample—optimized for HDL code generation
dsp.IIRHalfbandDecimator Decimate by factor of two using polyphase IIR
dsp.IIRHalfbandInterpolator Interpolate by a factor of two using polyphase IIR
dsp.SampleRateConverter Multistage sample rate converter
dsp.SubbandAnalysisFilter Decompose signal into high-frequency and low-frequency subbands
dsp.SubbandSynthesisFilter Reconstruct signal from high-frequency and low-frequency subbands

関数

filter フィルター オブジェクトをもつフィルター データ
convert Convert filter structure of discrete-time or multirate filter
sysobj Create filter System object from discrete-time filter or multirate filter

ブロック

CIC Decimation Decimate signal using Cascaded Integrator-Comb filter
CIC Interpolation Interpolate signal using Cascaded Integrator-Comb filter
Dyadic Analysis Filter Bank Decompose signals into subbands with smaller bandwidths and slower sample rates or compute discrete wavelet transform (DWT)
Dyadic Synthesis Filter Bank Reconstruct signals from subbands with smaller bandwidths and slower sample rates or compute inverse discrete wavelet transform (IDWT)
FIR Decimation Filter and downsample input signals
FIR Interpolation Upsample and filter input signals
FIR Rate Conversion Upsample, filter, and downsample input signals
FIR Rate Conversion HDL Optimized Upsample, filter, and downsample input signals—optimized for HDL code generation
Two-Channel Analysis Subband Filter Decompose signal into high-frequency and low-frequency subbands
Two-Channel Synthesis Subband Filter Reconstruct signal from high-frequency and low-frequency subbands

概念

Multirate Filters

Multistage Filters

Filter Banks

Multirate Filter Properties

Provides a summary and the details of the properties of multirate filters

References — Multirate Filters

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