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| ウィーナーフィルタ× | 適応型LMSフィルタ× | |
|---|---|---|
| 分野 | 信号処理 | 信号処理 |
| 系統 | Process / pipeline | Process / pipeline |
| 提唱年≠ | 1949 | 1960 |
| 提唱者≠ | Norbert Wiener | Bernard Widrow and Marcian E. Hoff |
| 種類≠ | Linear mean-square optimal filter | Gradient descent adaptive filtering |
| 原典≠ | Wiener, N. (1949). Extrapolation, Interpolation, and Smoothing of Stationary Time Series. John Wiley & Sons. link ↗ | Widrow, B., & Hoff, M. E. (1960). Adaptive Switching Circuits. IRE Wescon Convention Record, 4, 96–104. link ↗ |
| 別名 | Wiener Optimal Filter, Kolmogorov-Wiener Filter, Mean-Square Optimal Filter | LMS Filter, Adaptive LMS Algorithm, Gradient Descent Filtering |
| 関連 | 4 | 4 |
| 概要≠ | The Wiener filter is an optimal linear filter that minimizes mean-square error between the desired signal and the filter output given knowledge of signal and noise statistics. Developed by Norbert Wiener in 1949, it provides the theoretical foundation for optimal filtering and remains the benchmark against which all other linear filtering methods are compared. | The Least Mean Squares (LMS) filter is an adaptive signal processing algorithm that continuously updates filter coefficients to minimize the squared error between the filter output and a desired signal. Introduced by Bernard Widrow and Marcian Hoff in 1960, the LMS algorithm is one of the most widely used adaptive filtering techniques due to its simplicity, low computational cost, and ability to track time-varying signals. |
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