The wavelet transform is of good localization property in the domain of time and frequency, which provides a comprehensive application in processing acoustic wave.
小波变换同时有在时间域和频率域对信号进行局部化的特点,使其在声波信号处理中有着广泛的应用前景。
Wavelet packet transform is used as an efficient tool for precisely analyzing signal property, and provides orthogonal wavelet packet bases with better time frequency localization function.
小波包变换能作为一种有效工具对信号特性进行精细分析,同时提供具有良好时频局部性的正交小波包基。
Using high frequency intra - day data, we study the correlations between liquidity and trading activity and their time series property.
本文利用日内交易的高频分时数据,研究了流动性和交易活动之间的相关性和各自的时间序列性质。
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。
The proper orthogonal decomposition(POD) technique was applied to identification random wind pressure time or frequency domain specific property.
应用POD法识别作用在结构表面的脉动风荷载的时频域特性。
The mechanism of a cochlear implant and its CIS speech processing strategy were presented. The time frequency analyzing property of WT was compared with that of human's cochlea.
介绍了电子耳蜗的机理及连续交替取样( C I S)语音信号处理方案,并对耳蜗的频率分析特性与小波变换的时间—尺度分析特点进行了比较;
By exploiting wavelet packet transform to analyze signals both in time and frequency space, this paper researches the statistic property of non-Gaussian stationary noise and its signal structure.
该文利用小波包变换的时频局部分析能力,研究了非高斯分布平稳随机噪声的统计特性,揭示了非高斯噪声信号的信号结构。
The main characteristic of the WT is the dual localization property in both time domain and frequency domain, which enables WT to be a high performance signal processing technique.
由于小波变换的时 -频局部化性质 ,使其成为信号处理的强有力工具。
UWB communication not only requires antennas be of good property in the domain of frequency and time, but also requires small size, simple structure, light weight and low cost antennas.
UWB通信不仅要求天线具有良好的时域与频域特性而且要求天线尺寸小、结构简单、重量轻、成本低等。
The average short circuit transition time, short circuit transition variance coefficient and short circuit transition frequency are used to evaluate the technical property of high cellulose electrode.
提出用熔滴平均短路时间、短路时间变异系数以及短路过渡频率作为判据来定量评价高纤维素焊条的工艺性。
The time-frequency joint distribution of a target reflects well its physical structural property so it can be used as an effective means of radar target recognition.
目标的时间-频率联合分布能够很好地反映目标物理结构特征,可以作为雷达目标识别的一个有效手段。
At last, the results demonstrate that the generalized S-transform has more flexible time-frequency focusing property than S-transform.
试验结果表明,广义s变换比基本s变换具有更灵活的时频聚焦性。
Filter performance has a significant effect on ranging accuracy of frequency modulation fuze. It is difficult to design high-performance filter directly, and it has poor real-time property.
滤波器性能对调频定距引信测距精度有重要影响,直接设计高性能滤波器实现困难且实时性差。
Filter performance has a significant effect on ranging accuracy of frequency modulation fuze. It is difficult to design high-performance filter directly, and it has poor real-time property.
滤波器性能对调频定距引信测距精度有重要影响,直接设计高性能滤波器实现困难且实时性差。
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