This paper concentrates on the theoretical and applicable domain of fractal signal processing.
论文研究分形信号处理的理论和应用领域。
We have derived the formulas for wavelet coefficients of the fractal signal and white noise separately on the basis of which the maximum likelihood method is used to estimate the fractal parameter.
分别推导了分形信号和白噪声的小波系数统计量的公式,在此基础上用最大似然法进行参数估计。
At present, such an analysis method has been widely used in signal processing, image processing, quantum field theory, fractal theory and other fields.
目前,这种分析方法已经广泛应用于信号处理、图像处理、量子场论、分形理论等领域。
When the fault appears, there will be some variation in the fractal dimension of measurement signal, and the fault detection can be carried out according to this change.
由于故障发生时系统表现异常,这些异常可导致测量信号分形维数的变化,根据这些变化可进行故障检测。
Use Chaos and fractal analysis routines, LCMV optimization design array signal processing, Multivariate least squares fitting method of nonlinear equations.
使用混沌与分形分析的例程,LCMV优化设计阵列处理信号,利用最小二乘法进行拟合多元非线性方程。
Combining image signal processing technique, particle size information can be obtained by computing fractal dimension values, and then a new method for particle sizing will be developed in future.
结合图象信号处理技术,可从计算的分形维值中获取粒度信息,进而可得到一种超细微粒粒度测试的方法。
Fractal characteristic of multipath fading signal is studied in the paper which shows that multifractal dimension is a key parameter for describing the signal propagation in wireless channels.
本文研究多径衰落信号的多重分形性质,分析并指出了信号多重分形维数是描述无线信道传播特性的重要参数;
The result shows that the vibration signal of automotive transmission has a fractal feature.
计算表明,变速器振动信号具有分形特征。
In fact, vibration wave shows that vibration signal of power sets is non-stationary and has fractal characteristics.
实际的振动波形表明,机组的振动信号具有非平稳性,其波形具有分形特征。
The fractal feature of radar range is introduced based on the fractal feature of radar echo signal.
根据雷达回波信号的分形特性,分析提出了雷达作用距离也具有分形特征。
The fractal theory is an effective tool to describe speech signal and its application is greatly wide, Firstly, describes the idea and basic characteristic of fractal.
分形理论是描述语音信号的一个非常有效的工具,并已取得了一系列应用成果。本文叙述了分形的基本概念与基本特性。
Based on the recently developed chaos and fractal theories, this paper introduces new methods for speech signal processing.
本文旨在将新兴的混沌、分形理论引入语音信号处理。
The obtained pressure signal of pump outlet is analyzed with fractal dimension.
对采集的液压泵信号进行了分维数分析。
Umbilical arterial Doppler spectrum were obtained by color Doppler ultrasound, then Doppler signal were transformed into computer through sound frequency, and fractal were calculated.
用彩色多普勒超声检测脐动脉并获得多普勒信号,将此信号以音频形式输入计算机中,对此信号进行处理并计算分数维。
The algorithm first uses dynamic threshold algorithm which combines fractal dimension with wavelet transform to denoise the speech signal, it can extract pure speech as far as possible;
该算法首先利用分形维与小波变换相结合的动态阈值算法进行语音去噪,从而提取出尽可能纯净的语音信号;
In the aspect of testing, we use of wavelet algorithm and fractal algorithms to carry out the positioning signal power quality in this paper. And make the contrast analysis of the two.
本文分别使用小波检测算法和分形网格检测算法来进行信号扰动的定位,并对两者的检测效果进行对比分析。
Fractal properties of ultrasonic signal are researched based on normalized scale box-counting dimension method successfully.
基于归一化尺度计盒维数方法研究了超声波分形特征。
Fractal properties of ultrasonic signal are researched based on normalized scale box-counting dimension method successfully.
基于归一化尺度计盒维数方法研究了超声波分形特征。
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