It is shown that propeller cavitation noise is composed of continual spectrum and separable line spectrum.
结果表明，螺旋桨空泡噪声由连续谱和离散线谱组成。
The main results of the observation of quasars are shown as continuous spectrum, absorption line spectrum and emission line spectrum.
类星体的观测结果集中表现在三个方面：连续谱、吸收线和发射线。
Hence the spectrum is called a line spectrum; it is also called an atomic emission spectrum since it is produced by emission of light from excited atoms.
因此，这个光谱也被称为线光谱，也被称为原子发射光谱，因为它是由被激活的原子发出的光产生的。
Traditional short-term autocorrelation-based adaptive line spectrum enhancer (SABALSE) becomes low in suppressing Gaussian noise when input signal-to-noise ratio becomes low.
通常的基于短时自相关的自适应线谱增强器（SABALSE）主要缺点是：输入信噪比低时，抑制高斯噪声性能差。
This paper aims to get enough knowledge of line spectrum in acoustic vector signal and extract as more features as possible so as to improve the recognition-rate of targets.
本文旨在通过以上研究，能够对声矢量信号中的线谱成分有充分的认识和提取到尽可能多的特征，从而进一步提高舰船目标识别率。
It explained the principle of line spectrum enhancer, and provided the values of the software parameters giving from experiments, and hardware design of an adaptive line spectrum enhancer.
文章阐述了自适应线谱增强器的原理，并给出了实验中得来的一型自适应线谱增强器软件参数取值及硬件设计。
The spectrum of radiated noise from ships consists of a continuous broadband spectrum and a discrete narrow-band line-spectrum.
船舶辐射噪声的功率谱由连续的宽带谱和离散窄带线谱组成。
In the paper, an integrated method for detecting line-spectrum is proposed.
本文给出了一种线谱检测的组合方法。
A new method based on Support Vector Data Description (SVDD) was presented to identify and locate line-spectrum power increase acoustic fault source of system.
本文以线谱增强类声学故障为研究对象，提出了一种基于支持向量数据描述(SVDD)的故障源识别定位方法。
And then, the above features are used by a simple and efficient fuzzy expert system for line-spectrum recognition, which is newly developed for picking out noise points.
然后研制了一个简单高效的线谱识别模糊专家系统，根据提取出的线谱特征，进一步剔除噪声点。
And then, the above features are used by a simple and efficient fuzzy expert system for line-spectrum recognition, which is newly developed for picking out noise points.
然后研制了一个简单高效的线谱识别模糊专家系统，根据提取出的线谱特征，进一步剔除噪声点。
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