Wavelet transform involves the two-variate function of frequency and time, which makes it convenient to simultaneously compensate for attenuation of seismic energy in frequency and time domains.
小波变换作为频率和时间的二元函数，使之可以很方便地在频率和时间域中同时进行地震波能量的吸收衰减补偿。
The wavelet function is such a function which possesses good localization characteristics, so theoretically it can be applied to the detection of non-integer harmonics.
小波函数是具有时域和频域良好局部化特性的函数，理论上可以用于非整次谐波的检测。
Studies the function of wavelet transform (WT) that can effectively distill the transient characteristics of digital signals to estimate the symbol rate of PSK signals.
研究基于小波变换有效提取信号瞬变特性的功能，对数字调制移相键控(PSK)信号进行符号速率估计。
The new arithmetic constructed the best wavelet packet based on the wavelet library with the criterion of fusing energy cost function and contract the most valuable features of the signals.
新算法以融合能量代价函数为标准，在整个小波库中构造最优小波包基，从小波包基上提取信号最有价值的特征值。
The modulate Gauss function is selected as the analysis wavelet to deal with the fault signal saltation caused by the damage concussion, according to the (characteristics) of fault vibration signals.
根据走行部故障振动信号的特点，选用调制高斯函数作为分析小波，处理由损伤冲击造成的信号突变。
It proves that the improved lifting coefficient can add to the vanishing moment of the wavelet function in a constructed way, and the adding means to a more centralized energy property.
文章构造性的证明了改进提升系数能增加小波函数的消失矩，而消失矩的增加意味着能获得更好的能量集中特性。
Aimed at the ultrasonic signal polluted by noises, which is low in SNR, a method of the ultrasonic signal denoising in wavelet domain based on an improved threshold function was put forward.
针对超声无损检测中超声信号受噪声污染、信噪比不高的情况，提出了一种新的基于改进阈值函数的小波域超声信号去噪方法。
Through construct tight branch collection of orthogonal wavelet base, we find that tight branch collection of orthogonal base wavelet function resembles real seismic wave.
构造紧支集小波正交基时发现：紧支集正交小波基函数与地震波极为相似，比较适合地震资料处理。
According to the peculiarity that the scale exhibit progressional variety, this paper deduces a group of multiscale wavelet filter from two dimensions smooth function.
论文基于这一思想，从二维平滑函数出发，并根据尺度呈级数变化的特点，导出了一组多尺度小波滤波器。
Based on zero crossing representation of wavelet transform of this radial function and matching procedure, a new algorithm to identify orbits of shaft centerline is proposed.
基于此函数的小波变换零交叉表示和匹配过程，得到了识别轴心轨迹的一种新方法。
Based on the learning characteristic of neural network and the function approximation ability of the wavelet, a new self tuning control algorithm is presented.
依据小波的非线性逼近能力和神经网络的自学习特性，提出了一种基于小波神经网络模型的自校正控制算法。
This fuzzy neural network USES wavelet basis function as membership function whose shape can be adjusted on line so that the networks have better learning and adaptive ability.
这种模糊神经网络利用了小波基函数作为隶属函数，可在线根据误差调整隶属函数的形状，使模糊神经网络具有更强的学习和适应能力。
Wavelet decomposition technology has powerful removing noise function, and the preoperative methods based on the wavelet technology is applied for the monitoring data.
从小波分解技术的强大的去噪功能出发，提出了基于小波技术的监测数据前处理方法。
Basing on the construction of wavelet, discuss the close relation between the scaling function and wavelet function's two scale symbol and wavelet construction.
立足于小波的构造，比较深入地探讨了尺度函数和小波函数的两尺度符号与小波构造的紧密关系。
It introduces the method of wavelet transformation applied in the acoustic wave signal processing and how to use this method to implement the function of filtering the waves.
讨论了在声波信号处理中所使用的小波变换方法，以及用这种方法所实现的滤波功能。
Adaptive wavelet neural network intelligent detection is a method in which the wavelet function substitutes for the activation function of hidden layer in the neural network.
自适应小波神经网络检测法就是利用小波函数取代通常神经网络中隐层的作用函数来实现的。
Firstly, using the first order derivative of Gaussian function as the base wavelet, the direction Angle function of a planar curve was analyzed on multiple scales to obtain the candidates of corners.
使用高斯函数的一阶导数作为基本小波，对曲线的方向角函数进行多尺度小波分析得到候选点集，提出了四个筛选规则对候选点集进行逐步筛选得到正确角点集。
Based on the single scaling wavelet frame theory and radial basis function neural network, a multi dimensional input and output wavelet network is constructed.
在探索单尺度径向小波框架与径向基函数网络对函数逼近特性相似的基础上，构造了单尺度径向基小波网络。
M-band interpolatory wavelet packets is a sequence space spanned by dilation translates of a iterate function sequence obtained by a cardinal interpolation function.
带插值小波包是根据基插值函数建立的迭代函数序列进行伸缩平移的空间序列。
This paper describes the composition of bridge health monitoring system and function as well as the basics of wavelet analysis theory.
本文首先介绍了桥梁健康监测系统的组成与功能以及小波分析理论的基础知识。
Waveform matching is included in the matching between the signal and wavelet function. Compared with the energy matching, it has its own characters and is used in some specific domains.
波形匹配是信号与小波函数匹配的一种，它与能量匹配各有特点，其适用范围各不相同。
Because the wavelet has time-frequency local property, the wavelet method can analyze the local regularity of function more effectively than frequency domain.
由于小波具有时频局部性，因此与频域方法相比，小波方法更能有效地分析函数的局部正则性。
In this paper, we propose a digital image watermarking algorithm using the noise visibility function (NVF) based on wavelet quantization.
本文提出了一种基于噪声可见函数(NVF)量化的水印算法。
The advantage of wavelet packet is because of its two important properties that depend on orthogonality: the scaling function and wavelet are orthogonal over both scale and translation.
使用小波包基函数作为子载波的好处是，它具有两条十分突出的正交性质：相邻(尺度)正交性和平移正交性。
Next, by the orthogonal multiresolution analysis, the necessary conditions of a kind of M-band band-limited orthogonal wavelet function constructed by the scaling function are proposed.
然后利用正交多分辨率分析，给出由该尺度函数构造的一类频带有限的M进制正交小波函数的必要条件。
Next, by the orthogonal multiresolution analysis, the necessary conditions of a kind of M-band band-limited orthogonal wavelet function constructed by the scaling function are proposed.
然后利用正交多分辨率分析，给出由该尺度函数构造的一类频带有限的M进制正交小波函数的必要条件。
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