如果噪声源和抗噪波无法重合，合成波形就不能恰好重叠，抗噪效应也就无从谈起。
Unless the sources of the noise and the antinoise coincide, the wave patterns will not overlap properly and the effect will be lost.
提出了连续小波变换-纯变量法（CWT-PVA）解析气相色谱-质谱（GC-MS）重叠信号的新方法。
An algorithm for resolution of overlapping gas chromatographic-mass spectrometric(GC-MS) signal using continuous wavelet transform-pure variable approach(CWT-PVA) was proposed.
结合汉语发音声学特性，提出了音节的重叠音素分割策略，并利用小波方法实现了音节的分割，实验证明该方法分割准确可靠。
In this paper, based on Mandarin acoustic characteristics, an overlapped segmenting scheme is presented and wavelets are used to segment phoneme.
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