# スペクトル解析

パラメトリック手法とノンパラメトリック手法

## System object

 `dsp.SpectrumAnalyzer` 時間領域信号の周波数スペクトルの表示 `dsp.SpectrumEstimator` Estimate power spectrum or power-density spectrum `dsp.CrossSpectrumEstimator` Estimate cross-spectral density `dsp.TransferFunctionEstimator` Estimate transfer function `dsp.BurgAREstimator` Estimate of autoregressive (AR) model parameters using Burg method `dsp.BurgSpectrumEstimator` Parametric spectral estimate using Burg method

## ブロック

 Spectrum Analyzer 時間領域信号の周波数スペクトルの表示 Cross-Spectrum Estimator Estimate cross-power spectrum density Discrete Transfer Function Estimator Compute estimate of frequency-domain transfer function of system Spectrum Estimator Estimate power spectrum or power-density spectrum Burg AR Estimator Compute estimate of autoregressive (AR) model parameters using Burg method Burg Method Power spectral density estimate using Burg method Covariance AR Estimator Compute estimate of autoregressive (AR) model parameters using covariance method Covariance Method Power spectral density estimate using covariance method Magnitude FFT Compute nonparametric estimate of spectrum using periodogram method Modified Covariance AR Estimator Compute estimate of autoregressive (AR) model parameters using modified covariance method Modified Covariance Method Power spectral density estimate using modified covariance method Periodogram ピリオドグラム法を使用したパワー スペクトル密度または平均二乗スペクトルの推定 Short-Time FFT Nonparametric estimate of spectrum using short-time, fast Fourier transform (FFT) method Yule-Walker AR Estimator Compute estimate of autoregressive (AR) model parameters using Yule-Walker method Yule-Walker Method Power spectral density estimate using Yule-Walker method

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