V2EX demixing

Demixing

定义 Definition

Demixing 指“去混合、解混、分离混合成分”,常用于信号处理/机器学习/化学等语境:把混在一起的信号、声音、图像成分或物质组分分离成各自独立的部分。(也可用于更一般的“从混合物中分开”。)

发音 Pronunciation

/dimks/

例句 Examples

The software is demixing the vocals from the background music.
软件正在把人声从背景音乐中解混分离出来。

Using statistical models, the researchers succeeded in demixing overlapping signals recorded by multiple sensors, improving the accuracy of the final measurements.
研究人员使用统计模型成功将多个传感器记录到的重叠信号解混分离,从而提高了最终测量的准确性。

词源 Etymology

由前缀 **de-**(表示“去除、逆转”)+ 动词 mix(混合)构成,字面意思就是“把混合的东西反过来处理使其不再混在一起”。在学术与工程领域中,逐渐固定用来指代“从混合观测中恢复各个源成分”的过程(如盲源分离、音频分轨等)。

相关词 Related Words

文学与作品 Literary Works

  • 《Independent Component Analysis》(Aapo Hyvrinen, Juha Karhunen, Erkki Oja):讨论从混合观测中分离源信号的核心思想,与“demixing/解混”高度相关。
  • 《Blind Signal Separation: Statistical Principles》(Pierre Comon, Christian Jutten 等相关著作/编著方向):以统计方法处理混合信号分离问题,常出现“demixing”及其同类概念。
  • 《A Mathematical Introduction to Compressive Sensing》(Simon Foucart, Holger Rauhut):在稀疏表示与压缩感知框架下涉及“demixing/解混”类问题(常与稀疏分解、分量恢复一起出现)。
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