V2EX resampled

Resampled

释义 Definition

resampled(动词 resample 的过去式/过去分词):对数据、信号或图像进行“重新采样”,即以新的采样率/采样点重新取得或生成样本,常见于统计学(重抽样/重采样)信号处理图像处理中。(也可引申为“再次抽取样本/重新取样”。)

发音 Pronunciation

/rismpld/

例句 Examples

The audio was resampled to 44.1 kHz for the final export.
音频被重新采样为 44.1 kHz 以便最终导出。

After removing outliers, the researcher resampled the dataset using bootstrap methods to estimate the confidence interval more reliably.
在去除离群值后,研究者使用自助法(bootstrap)对数据集进行了重抽样,以更可靠地估计置信区间。

词源 Etymology

由前缀 re-(“再次、重新”)+ sample(“取样、样本”)构成;resampled 为其过去式/过去分词形式。该词在现代英语中常与统计学的“重抽样”以及工程领域的“重新采样率”用法相关。

相关词 Related Words

文学与著作中的用例 Literary Works

  • The Elements of Statistical Learning(Hastie, Tibshirani, Friedman)讨论自助法、交叉验证等“重采样(resampling)”思想与方法。
  • Pattern Recognition and Machine Learning(Christopher M. Bishop)在概率模型与推断相关章节中涉及重采样思想(如与近似推断方法并列讨论)。
  • Numerical Recipes(Press 等)在数值计算与数据分析相关内容中涉及抽样/重采样(resampling)的概念与实现思路。
  • Discrete-Time Signal Processing(Oppenheim & Schafer)在采样率变换等主题中常见“重新采样(resample/resampled)”的工程表述。
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