本文利用信号的横向相关性和信号振幅随炮检距变化的特征，提出一种既能提取有效反射信号同相轴，又能提取零炮检距道信号的方法。
A method for extracting both effective reflection events and zero-offset trace signals is developed using the lateral coherence and the property that signal amplitude changes with offset.
根据子波振幅谱估算最小相位子波已有多种方法，本文对用希尔伯特变换法、同态法、零相位子波法、松弛迭代法等估算的最小相位子波，进行了详细的分析。
Among the methods for estimating the minimum phase wavelet from its amplitude spectrum, methods of Hilbert-transform, of homomorphy, of zero-phase wavelet and of relaxation-iteration are analysed.
在波峰与波谷重合之处，总振幅实际上为零。
Where a trough and crest coincide we get the total amplitude zero.
理论结果表明，在特殊的孤立波振幅下，偏振色散为零。
Theoretical calculations show that the polarization dispersion reaches zero at a specific amplitude of the soliton.
驻波法中形成的声场不是理想驻波场，且波节处振幅不为零。
In standing wave method, the sound is not perfect standing wave, so the swing is not zero at wave knot.
这动脉体积的脉动性变化振幅会在跨壁压力接近零的时候达到最大。
The amplitude of this pulsatile change in arterial volume would be maximal when the transmural pressure was near zero.
含气与含水砂岩的共同特征是零炮检距的振幅P都为负。
The gas-bearing sandstone and water-bearing sandstone are characterized by negative P value of zero offset.
利用干涉图的零频分量消除光源谱分布的影响，获得两束干涉光的振幅比；
The effect of the light source spectral distribution can be cancelled out with the help of the zero order spectrum of the Fourier transform of the interferogram.
设计了用轴类零件修复的频率和振幅均可调的振堆焊机构。
The vibrating mechanism of surfacing for repair welding of shaft is developed;
设计了用轴类零件修复的频率和振幅均可调的振堆焊机构。
The vibrating mechanism of surfacing for repair welding of shaft is developed;
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