因为不需要计算傅立叶逆变换，因此两尺度序列更易于求得。
The centrosysmmetric B-spline wavelets have simple expressions and the two-scale sequences are easily obtained.
第二部分，本文分析了小波周期模型的分解尺度数和各种不同入库径流序列对模型预测精度的影响程度。
Part two: This paper analyzed the degree of predicting precision affected by decomposing scale coefficient of wavelet cycle model and various kinds of reservoir inflow runoff series.
提出一种多尺度的时间序列相似模式匹配算法。
This paper proposed a multi scale similar pattern match approach for Times Series Databases.
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