Equalizer Design Based on Diffraction Analysis

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概要

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• A design procedure is described that determines the optimum frequency characteristics of an equalizer, considering the intersymbol interference(ISI) and crosstalk, under the influence of the tilt of the disk substrate. A scalar-wave diffraction model was employed to calculate the readout signals. A finite impulse response(FIR) filter was assumed for the equalizer. The jitter was calculated as a function of the equalizer parameters, and the equalizer parameters were determined so that the calculated jitter took its minimum value. The entire process of the equalizer design was performed on an computer, and the resultant characteristics were similar to those determined through experiments. Therefore, the method provides a useful took for the basic design of optical disk systems.

• 社団法人応用物理学会の論文
• 2000-02-28

著者

• Honguh Yoshinori

  Mechanical Systems Laboratory Corporate Research & Development Center Toshiba Corporation

関連論文

• Equalizer Design Based on Diffraction Analysis

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