In the paper, an inverse problem on mixed-phase wavelet a is discussed.
笔者在文中讨论了混合相位子波a的反演问题。
The final wavelet should be shaped into a minimum phase wavelet, which is then used in wavelet deconvolution.
为使其最小相位化,对最终子波要进行整形,然后再作子波反褶积。
Assuming white noise reflectivity and minimum phase wavelet, the estimation of them simultaneously by linear inversion algorithm is studied.
在反射系数白噪、子波最小相位的假设下,研究基于线性反演的地震反射系数和子波同时估计问题。
During the processing of seismic data interpretation of Tahe Oilfield, pseudomorphism of adjoint phase caused by non zero phase wavelet was easily interpreted as effective reflection.
在塔河油田联片地震资料解释过程中,地震子波非零相位化造成的“伴随相位”假象很容易被当成有效反射加以解释。
The actual non zero phase wavelet was extracted from seismic traces by comparing synthetic seismogram with near wellbore seismic traces and was used to be deconvolved with seismic data.
通过合成地震记录与井旁地震道的对比,从地震道中提取了非零相位的实际地震子波,并据此对原地震数据体进行子波反褶积处理。
The modeling formula based on seismic wavelet can well simulate zero-ph ase wavelet and hybrid-phase wavelet, and also approximate maximal-phase and minimal-phase wavelet in a certain sense.
基于地震子波的模拟公式,可以很好地模拟零相位和混合相位子波,在一定意义上也可以近似模拟最大相位及最小相位子波。
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.
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.
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。
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