论文研究分形信号处理的理论和应用领域。
This paper concentrates on the theoretical and applicable domain of fractal signal processing.
其总的延迟可以由带噪分形信号的互信息曲线在第一区域内达到极小值的时间来确定。
The total delay time could be determined through the time of mutual information curve of the signal with noise getting to the maximum in the first quadrant.
该方法实质是寻找一分数阶因子，使随机分形信号通过分数差分后的输出信号最接近白噪声。
The method is to find out a fractional factor that makes the fractional differenced result closest to the white noise.
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。
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.
对实测数据的分析结果表明，分形模型与传统的统计模型相比能更精确地描述多径衰落信号。
Simulation results from practical measured signals demonstrate that the fractal model can describe multipath fading signals more accurately compared to the conventional statistical models.
本文通过对语音信号产生机制的分析，将分形维方法用于普通话孤立词语音信号起止端点的检测。
Based on analyses to the generation mechanism of speech signals, this paper presents a novel method which USES fractal dimension to determine speech terminals for mandarin isolated words.
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。
At present, such an analysis method has been widely used in signal processing, image processing, quantum field theory, fractal theory and other fields.
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。
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.
采用多重分形改进算法提取往复压缩机振动信号的多重分形特征，得到了轴承故障的广义维数谱。
The multifractal features are extracted from the vibration signals of different spots on reciprocating compressor using the improving arithmetic, the general dimension spectrum of bearing.
根据这一规律，通过计算声发射信号曲线的赫斯特指数(或分形维数)，便可确定声发射试验中的凯塞点。
On the basis of this character of Hurst index, the Kaiser point can be determined correctly by calculating the Hurst index of AE signal curve.
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。
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.
在此基础上提出了一种新的无线信道模型；结合分形插值方法，对多径衰落信号的重构进行了研究。
Then a novel channel model is proposed and fractal interpolation is applied to reconstruct the signals.
地球物理信号通常表现为多个这类信号的叠加，为多维分形特征。
Geophysical data are the stack of these kinds of signals and thus present multi-fractal characteristics.
通过对实际测量的内燃机噪声信号的关联维数计算分析，证明了内燃机噪声信号的分形特性。
From the correlation dimension analysis of noise signals of internal combustion engine, it was proved that engine noise signals have an obvious fractal characteristic.
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；
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.
计算表明，变速器振动信号具有分形特征。
The result shows that the vibration signal of automotive transmission has a fractal feature.
介绍了用于非平稳、非线性信号的四分位偏差分形维算法，并通过仿真实例验证了此计算方法的准确性。
The fractal dimension algorithm using quartile deviation on non-stationary and nonlinear signals is introduced. And the accuracy of this algorithm is verified by simulation.
针对汽车发动机振动信号的非线性特点，将分形理论应用于发动机的故障诊断。
By researching the characteristic of automobile engine, the fractal theory was used to diagnosis the fault of engine.
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。
Use Chaos and fractal analysis routines, LCMV optimization design array signal processing, Multivariate least squares fitting method of nonlinear equations.
基于随机分形理论，采用分数布朗运动模型，应用R/S分析技术和基于小波变换的谱参数估计方法计算地震道信号的赫斯特指数。
The thesis based on random fractal theory, utilizing fractional Brownian motion model, using R/S analysis technique and wavelet transform method to estimate Hurst exponent which dep.
在信号的几何域特征提取方面，给出了利用分形方法分析超声多普勒血流信号的例子。
The fractal method used for Doppler blood flow signals analysis is an example in geometry domain.
从分形原理出发，提出了非线性机械设备系统信号的分形计算维数的概念。
In the paper, fractal calculating dimension, which is based on fractal theory, is put forwards.
同时，用数学方法描述了交叉路口分形交通流的数学关系，建立了相应的数学模型，并通过哈尔滨市某信号控制交叉口的实测数据验证了该模型的正确性。
Meanwhile, it described the mathematical relationship of fractal traffic flow with mathematics method, set up corresponding mathematics model, and proved the model was correct with some data.
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。
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.
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 feature of radar range is introduced based on the fractal feature of radar echo signal.
谐波分量的出现使损耗电流信号的分形维数增加。
The fractal dimension of loss current waveform increases because of the growth of harmonics.
本文旨在将新兴的混沌、分形理论引入语音信号处理。
Based on the recently developed chaos and fractal theories, this paper introduces new methods for speech signal processing.
样本计算和统计结果表明，证券交易数据的时域波形信号具有分形标度不变性，分形维数能够反映交易数据的时域波形信号的复杂性和不规则性。
The specimen calculation outcome indicates that transaction data waveform of time domain assume fractal scale invariant property, which fractal dimensionality can reflect complexity and irregularity.
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；
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；
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;
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