查询表46包括预定的多个均衡器滤波器长度，其对应于不同的确定或估计的延迟范围或另一选择度量。
A lookup table 46 includes a predetermined plurality of equalizer filter lengths corresponding to different determined or estimated delay spans or another selected metric.
其中针对群延迟的影响，根据循环卷积的原理，提出了一种实现非因果均衡器的方法。
According to the principle of circular convolution, a method of realizing non-causal equalizer is proposed to suppress the influence of the group delay effect.
另一示例的方法包括基于所选的特征，例如延迟扩展或移动台速度，来选择性地控制均衡器的长度。
Another exemplary method includes selectively controlling a length of an equalizer based upon a selected characteristic such as delay spread or mobile station speed.
结果表明：变长自适应判决反馈均衡器在前馈滤波器长度收敛到一定的范围内、判决延迟保持一定的情况下，反馈长度并不是越长越好。
The results show that a longer feedback filter tap-length is not necessarily better when the feedforward filter tap-length converges to a certain range and the decision delay maintains a fixed value.
结果表明：变长自适应判决反馈均衡器在前馈滤波器长度收敛到一定的范围内、判决延迟保持一定的情况下，反馈长度并不是越长越好。
The results show that a longer feedback filter tap-length is not necessarily better when the feedforward filter tap-length converges to a certain range and the decision delay maintains a fixed value.
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