FIR Filters with Given Rise Characteristics in the Step Response (Special Section on Digital Signal Processing)
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概要
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The ringing occurred in the step response causes an undesirable stripe pattern in TV signals. A simultaneous approximation with both the frequency and the step response is required in the designing filter which is used in the image signal processing in order to prevent the ringing. The well-known Remez algorithm for designing FIR filters approximates the response only in the frequency domain. As the result, the filters designed by this algorithm causes the large ringing in the step response. In this paper, we propose the method of design for FIR filters with minimum amplitude in the stopband, under the condition that the step response has no ringing and the prescribed rise characteristics. For this end, we use the constrained successive projections method.
- 社団法人電子情報通信学会の論文
- 1996-08-25
著者
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Aikawa N
Nihon Univ. Kooriyama‐shi Jpn
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Aikawa Naoyuki
Faculty Of Industrial Science And Technology Tokyo University Of Science
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Sato Masamitsu
Faculty Of Engineering Tokyo Metropolitan University
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OZAWA Isao
Faculty of Engineering, Tokyo Metropolitan University
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Ozawa Isao
Faculty Of Engineering Tokyo Metropolitan University
関連論文
- A Design Method for Separable-Denominator 2D IIR Filters with a Necessary and Sufficient Stability Check
- FIR Filters with Given Rise Characteristics in the Step Response (Special Section on Digital Signal Processing)