• It needs expansionary cornputation of wavelet phase in frequency domain, which is very difficult in practice.

    实际做到一点十分困难,为此本文提出零相位同态褶积方法。

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  • The processing results of synthetic data with different wavelet phase and real data show that the method is feasible and promising in improving the resolution of seismic data.

    不同相位地震子波理论模型野外实际地震资料处理结果表明方法对于提高地震资料的分辨率具有可行性和应用潜力

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  • Because complex wavelet transforms can exactly identify amplitude and phase information in signal to be dealt with, they are suitable for detection of fault signals in power system.

    值小波变换准确分辨出信号所包含幅值信息相位信息,因而,适用电力系统故障信号检测

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  • 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.

    塔河油田联片地震资料解释过程中,地震子波相位造成伴随相位”假象很容易被当成有效反射加以解释

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  • 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.

    通过合成地震记录地震的对比,地震中提取相位实际地震子,并据此对原地震数据进行子波反积处理。

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  • With consideration of the effects of phase characteristics, direct component and digital truncation, a method for extracting wavelet near a well by using seismic and log data is proposed.

    提出了一种利用地震测井资料综合考虑相位特性直流分量截断效应影响提取子波的方法

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  • The maximum entropy deconvolution is performed under the premise that seismic wavelet is of minimum phase, so the forward prediction error is equivalent to reflection coefficient series.

    最大反褶积地震子波最小相位条件进行向前预测误差等于反射系数序列

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  • The phase information of wavelet transform used in the algorithm is invariant with respect to flat fading, and can resist multipath fading of frequency-selecting channel in quite a few degree.

    算法所用小波变换相位信息特征对平坦衰落信道具有衰落变性,对频率选择性衰落信道也具有很强的多径能力。

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  • Phase information is one of emphasis characters in the power system orthogonal or biorthogonal complex wavelet is strong means to extract phase information in the power system in time.

    相位信息电力系统一个重要特征正交正交小波实时提取电力系统相位信息的有力手段

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  • Two approaches, single decomposition approach and multi-decomposition approach, using discrete wavelet transform for extracting phase in phase profilometry are proposed.

    提出种在相位轮廓使用离散小波变换提取条纹相位方法分解多次分解法。

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  • On the assumption of wavefront prolongation, a new optical phase retrieval algorithm by conventional lateral shear interferometer with wavelet transform is introduced.

    常规横向剪切干涉仪基础上,利用前周期假设,基于小波变换的方法实现了前重构。

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  • The approach based on wavelet theory and phase space reconstruction for analyzing the law of time-dependent deformation of crack according to the observation data of dam is proposed.

    本文基于小波分析理论空间重构技术根据大坝裂缝实测资料提出裂缝时变规律分析方法

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  • The final wavelet should be shaped into a minimum phase wavelet, which is then used in wavelet deconvolution.

    使最小相位化,最终进行整形然后再子波反褶积。

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  • Import magnitude reconstruct method to estimation wavelet base on high-order statistics after phase estimation theory, and perfecting the method of estimation wavelet though high-order statistics.

    继高统计地震相位估计方法之后,将基于高阶统计幅值重构方法也引入其中,从而完成了完整的高阶统计地震子波估计理论

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  • Assuming white noise reflectivity and minimum phase wavelet, the estimation of them simultaneously by linear inversion algorithm is studied.

    反射系数噪、子最小相位假设下,研究基于线性反演地震反射系数子波同时估计问题

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  • A novel method is proposed in this paper by research on complex wavelet, in which phase information of complex wavelet transforms is used to detect frequency and harmonics.

    本文通过研究发现复小波变换相位信息用于频率检测谐波分析,提出了基于复小波变换相位信息的频率和谐波检测算法

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  • A new hybrid method for prediction of solids holdup in gas-solid circulating fluidized bed is proposed based on chaos phase reconstruction and wavelet package as well as neural networks.

    提出一种混沌空间重构小波包分析神经网络相结合方法用于预测气-循环流化床颗粒浓度。

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  • It is also possible to analyze a gas liquid two phase flow condition through an edge detection of wavelet transformation and detect thermodynamic data in a gas liquid two phase flow.

    流动工况可以边缘检测小波变换进行分析实现对液两相流动的热工数值检测

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  • A novel method based on continuous wavelet transform (CWT) and guidance of inflexion points of unwrapped phase is developed to measure the phase of non-monotonous fringes.

    连续小波变换展开相位拐点识别基础上,提出一种非单调条纹图的相位恢复方法

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  • The new learning control rule not only incorporates a state compensation in the conventional ILC formula, but also adopts the wavelet transform to filter learnable tracking errors without phase shift.

    控制算法中,除了传统算法基础上增加了状态补偿外,引用了小波变换来对跟踪误差进行了滤波而没有相位补偿

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  • The new learning control rule not only incorporated a state compensation in the conventional ILC formula but also adopted the wavelet transform to filter learnable tracking errors without phase shift.

    控制算法中,除了传统算法基础上增加了状态补偿外,引用了小波变换来对跟踪误差进行了滤波而没有相位补偿

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  • A basic method of processing two phase flow signals was presented based on wavelet transform for measuring accurately solids velocity of two phase flow signals.

    为了准确测量固体速度介绍一种利用小波变换处理两相流信号基本方法

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  • A detecting method for the phase drift in excited signals based on wavelet packet analysis is presented. This method can detect the transient phase drift in signals at great level.

    提出了一种基于小波分析的激磁信号相位漂移检测方法能够较高精度检测出相位信号的瞬时漂移。

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  • Based on wavelet transform, a novel on-line detection method is presented, which is based on the detection of symmetry degree among the stator three-phase line currents phases.

    基于小波变换分析方法提出了基于定子三相电流之间相位对称检测定子绕组匝间短路故障在线检测方法。

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  • Two features detection algorithm based on the wavelet transform modulus maxima and its phase angle is presented, to resolve the problem of weak infrared point targets detection.

    解决强杂波中红外弱点目标检测问题提出基于变换极值及其位相值的双特征检测算法

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  • In a process of seismic data processing, the wavelet processing with mixed phase is always an important project.

    地震资料处理混合位子波处理一直一个重要课题。

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  • S-transform has muti-resolution overcoming single resolution of short-time Fourier transform. Otherwise, S-transform contains phase factor which wavelet transform has not.

    变换具有多种分辩率克服了短时窗傅立叶变换固定分辩率的不足:另外,S -变换中含有相位因子小波变换所具备的特性。

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  • S-transform has muti-resolution overcoming single resolution of short-time Fourier transform. Otherwise, S-transform contains phase factor which wavelet transform has not.

    变换具有多种分辩率克服了短时窗傅立叶变换固定分辩率的不足:另外,S -变换中含有相位因子小波变换所具备的特性。

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