Miscellanea. A simple span selector for periodogram smoothing
杂记:周期图平滑的简易窗口宽度选择器AI 解读 ↓
本页整理公开书目信息,不生成学术质量评分。AI 解读根据题名及所注明的摘要或原文片段生成,未完成全文核验,可能有误;具体假设、证明与结论请核对原文。摘要保留来源文本,未经模型改写。
DOI 首次登记不等于接收或发表日期。部分更正、评论等条目没有独立摘要;缺少可靠材料时保留待补状态。
引用量采用 OpenAlex 单条关联记录,不合计多个记录;关联记录可能包含正式发表版本,不等于此版本单独引用。缺失不视为零,引用指标不代表论文质量。
关注作者按书目中的完整姓名匹配,同名和姓名变体需人工辨别。相关论文先按共享细分方向和具体方法排列,再参考通用方法与发表日期。
AI 根据所提供的论文材料归类:摘要明确以平稳时间序列的谱密度估计为对象,讨论周期图平滑及窗口选择,直接对应时间序列细分方向。
杂记:周期图平滑的简易窗口宽度选择器AI 解读 ↓
正在核对关联版本…
正在核对对应版本的资源…
One approach to estimating the spectral density of a stationary time series is to smooth the periodogram and one important component of this approach is the choice of the span for smoothing. This note proposes a new span selector which is based on unbiased risk estimation. The proposed span selector is simple, and does not impose strong conditions on the unknown spectrum. For example, it does not require the unknown spectrum to possess a second derivative, which is a typical requirement of most plug-in type or spline-based methods. The finite sample performance of the proposed span selector is illustrated via a small simulation.