Chaos arithmetic is used for reducing noise in leaking system, and a new kind of narrow band ultrasonic testing principle is introduced.
提出了利用混沌算法抑制噪声，采用新型窄频带超声检漏原理来进行泄漏检测的新方法。
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 this paper, a high resolution technique for detecting the presence of frequency components of a narrow-band signal in the broad-band correlated noise is examined.
本文提出在宽带相关噪声中，提取窄带信号谱分量的一种高分辨率谱分析方法。
Your radio transmission, furthermore, would probably be a narrow-band signal, to distinguish it from other transmissions in neighboring bands as well as naturally occurring noise.
此外，你的无线电信号可能会是一个窄带信号，以区别于邻近频带中其他的自然杂波。
Your radio transmission, furthermore, would probably be a narrow-band signal, to distinguish it from other transmissions in neighboring bands as well as naturally occurring noise.
此外，你的无线电信号可能会是一个窄带信号，以区别于邻近频带中其他的自然杂波。
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