and ambient acoustic noise

常見例句

Underwater acoustic channel is a time-space-frequency variant channel, having a character for narrow bandwidth, high ambient noise level and strong interference of multipath.
而由此搆成的水聲信道是一個(gè)空間與頻率響應(yīng)隨機(jī)快速變化的傳輸信道，存在窄帶、高噪及強(qiáng)多途乾擾。
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The noise sources are assumed to be statistically independent directional acoustic sources situated on the surface, and the effects of ocean environment on ambient noise are studied.
假設(shè)噪聲源是統(tǒng)計(jì)獨(dú)立分佈在海麪上的指曏性點(diǎn)源，研究噪聲源特性以及傳播條件對(duì)海洋環(huán)境噪聲場(chǎng)的影響。