spectral background noise

基本解释

This paper deals with extraction of spectral lines of underwater targets in background noise using a space-time integral method.
利用目标线谱与自噪声线谱在时间域和空间域上的差异，采用时空联合手段研究舰船噪声中目标线谱的提取方法。
A new stellar radiation spectral function was produced to convenience the background noise analysis of satellite optical communication system.
建立了以恒星目视星等、等效温度为参数的恒星辐射谱模型，使利用恒星数据库进行背景噪声分析变得更加简捷。
With NIR spectra, the analytical information is contained in small spectral variations and usually dominated by the features such as light scattering, background noise and baseline drift.
近红外光谱不但包含着物质成分信息，而且这些信息完全掩盖在众多复杂背景当中（包括光散射、背景噪声以及背景漂移）。