beat noise

基本解释

The results, which will be published online tomorrow in Biology Letters, show the birds change their songs as needed to beat the noise.
這些結果將會刊登在明天的《生物學快報》（Biology Letters）上，顯示鳥類根據需求來改變它們的鳴叫以戰勝噪音。
Furthermore, there is no signal frequency fluctuation and beat noise caused by interference and beating due to optical carrier orthogonally coupled in optical domain.
此外，光載波在光域中是正交耦郃，消除了隨機乾涉和拍噪聲對振蕩頻率的影響。
Multiple-access interference(MAI) and beat noise(BN) in coherent time-spreading optical code-division multiple access(OCDMA) system are analyzed according to aperiodic cross-correlation function.
從碼字的非周期互相關函數出發，分析異步相乾擴時光碼分多址（OCDMA）系統的多址乾擾（MAI）和差拍噪聲（BN）。

While they made plenty of noise, very few of these traders managed to beat the U.S. stock market after charging their investors rich fees.
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