V2EX secondary wavelet

Secondary Wavelet

释义 Definition

secondary wavelet次级小波/二次小波。在小波分析中,指相对于“主小波(primary wavelet / mother wavelet)”而言的辅助或派生小波,常用于更精细的多尺度分解、特征提取、去噪或补充表示(具体含义会随论文/领域略有差异)。

发音 Pronunciation (IPA)

/skndri wevlt/

例句 Examples

The algorithm uses a secondary wavelet to capture fine details.
该算法使用次级小波来捕捉细微细节。

After decomposing the signal with the primary wavelet, the model applies a secondary wavelet to refine edge detection and reduce noise.
用主小波分解信号后,模型再应用次级小波来细化边缘检测并降低噪声。

词源 Etymology

secondary 来自拉丁语 secundarius,意为“第二的、次要的”;waveletwave(波)+ 指小后缀 -let 构成,字面意思是“小波”。合起来表示“第二层/辅助的小波”,用于补充或细化主小波带来的表示。

相关词 Related Words

文学与作品 Literary Works

(该术语更常见于技术著作与论文中,较少出现在小说等文学作品中。)常见出处包括:

  • Stéphane Mallat, A Wavelet Tour of Signal Processing
  • Ingrid Daubechies, Ten Lectures on Wavelets
  • Gilbert Strang & Truong Nguyen, Wavelets and Filter Banks
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