This can satisfy well time frequency analysis of multi graduation characteristic signal.
这一特点恰好满足对具有多刻度特征信号进行时频分析定位的要求。
Joint time frequency analysis method is a powerful tool for study of this kind of signal.
联合时频分析的方法是研究这类信号的有力工具。
Time frequency analysis techniques are used to quantify cracks appearing in aircraft structure.
采用时频分析的方法实现了对飞机结构中出现的裂纹的定量检测。
This method can be generalized to multi dimensional time frequency analysis of 3D seismic data.
这种方法为三维地震资料进行多维时频分析奠定基础。
This paper proposes a new method based on time frequency analysis to detect spikes automatically.
本研究提出了一种基于时频分析的癫痫脑电棘波检测方法。
The DWT is a time frequency analysis technology, which detects the subtle small changes in the target spectrum.
离散子波变换具有时频分析特性，能将信号的细微变化反映出来。
Sedimentation cycle study method and technology using wavelet time frequency analysis theory is mostly studied and exploited.
重点研究和开发了利用时频分析研究沉积旋回的方法和技术。
In this case, time frequency analysis must be performed for every range cell to obtain range instantaneous Doppler (RID) image.
这时需要分距离单元进行时频分析，得到距离-瞬时多普勒图像。
The processing result notes that the method of time frequency analysis may improve stability and liability of extracting Rayleigh wave velocity.
处理结果表明，应用时频分析方法可以提高瑞雷波速提取的稳定性和可靠性。
Combined with the basic principle and method of the radar multitarget resolving, the application of time frequency analysis is discussed for nonrigid multitarget resolving.
从雷达多目标分辨的基本原理和方法出发，探讨了时频分析在雷达非刚性多目标分辨中的应用问题。
Time frequency analysis method is used to analyze the time domain and frequency domain of seismic waves at the same time according to the principle of wavelet transformation.
时频分析方法是利用小波变换原理，从地震波的时间域和频率域同时对其作出分析。
A new method based on Time Frequency Analysis (TFA) for detecting weak signal under strong noise background from radar target with the cavity embedded is described in this paper.
该文论述了在强噪声背景下利用时频分析检测带腔体雷达目标弱信号的方法。
Joint time Frequency Analysis (JTFA) describes and determines how the frequencies of non stationary signals change over time. It offers a better understanding of nature of the signal.
时-频联合信号分析法能描述非稳态信号的频率如何随时间而变化，故它能使我们更好地理解信号的本质。
The longitudinal distributions of source intensity spectrum of several typical ships is given on the basis of time frequency analysis of the passage signature of ship radiated noises.
籍助对舰船噪声通过特性信号的时频分析，得到了若干典型舰船的噪声源强度谱纵向分布特性。
The methods of time frequency analysis include linear, quadratic and adaptive methods. They provide effective tools for analyzing signal time varying spectrum in time frequency plane.
时频分析方法分为线性、二次型和自适应等多种方法，它们提供了在时频二维平面上，分析信号时变功率谱的有效手段。
Wavelet analysis, as a time frequency analysis tool, has been widely used in many fields of electric power system. To select and construct the best wavelet for user is of important significance.
小波分析作为时频分析工具已经越来越广泛地应用于电力系统的各个领域，如何选择和构造最适合用户需要的小波具有重要意义。
The Wigner Ville time frequency analysis in conjunction with properly selected OFDM parameters is applied to evaluate the signal dynamic range performance over the low voltage power line network.
为了研究OFDM信号在低压电力线上的传输情况，运用基于维格纳分布的时频分析方法对电力线上的信号进行分析。
Time-frequency analysis method has been applied in many fields, and it acquires a great of achievements.
时频分析方法已经在许多领域得到了应用，而且都取得了良好的效果。
AIM: to probe into characteristics of human colonic cinematics and kinesics after time-frequency analysis of human colonic pressure signal.
目的：对人体结肠压力信号进行时频分析，探求人体结肠的运动学和动力学特性。
The joint time-frequency analysis provides more direct and comprehensive knowledge of the transient variation of pulse signals at any time and any point of the transmission line.
联合时频分析可以更直观、更全面地了解脉冲信号在传输线任意时间和任意位置的瞬态变化。
In the view of feature signal extraction, the local wave time-frequency analysis and information entropy were used to deal with fault diagnosis.
从特征信号提取的角度出发，采用局域波时频分析和信息熵结合的方法进行往复式压缩机故障诊断。
This paper USES joint time-frequency analysis (JTFA) for processing transient electromagnetic (TEM) field signals that have diffuse feature in geophysical exploration.
本文将联合时-频分析(JTFA)用于处理地球物理勘探中具有扩散性质的瞬变电磁场信号。
Aluminum wire ultrasonic bonding; transducer drive current; signal time-frequency analysis; feature selecting; quality online monitoring.
粗铝丝超声引线键合；换能器驱动电流；信号时频分析；特征提取；质量在线监测。
A novel fault identification algorithm based on smooth pseudo Wigner-Ville distribution (WVD) is proposed, which focused on the time-frequency analysis of network traffic.
通过研究网络流量的时频分析，提出了一种新的基于平滑魏格纳分布(WVD)的故障识别算法。
First, Discuss the advantage and disadvantage of some methods of time-frequency analysis usually used in the field of signal processing on sound and vibration.
首先，对现阶段常用于声振信号分析领域研究的各种时频分析方法的优缺点进行了分析和比较。
To suppress ionospheric clutter in the echo signal of high frequency surface wave radar (HFSWR), a method to suppress clutter based on time-frequency analysis and eigenvalue decomposition is proposed.
针对高频地波雷达回波信号中的电离层杂波，提出了利用时频分析与特征值分解抑制杂波的方法。
These methods are classified into three categories:statistical signal processing, frequency domain analysis and time-frequency analysis.
这些方法包括：统计信号处理，频域信号处理和时频域信号处理方法。
By using multiple overlapped SPWVD Windows, the effect of cross-term interference in the time-frequency analysis was minimized.
通过将多个时频分析的窗口重叠来克服时频分析中交叉项的影响。
Joint time-frequency analysis is an important tool in seismic signal processing. With various realizations, this method is widely used in seismic prospecting.
联合时频分析是地震信号处理的一种重要分析工具，方法很多，应用广泛。
Joint time-frequency analysis is an important tool in seismic signal processing. With various realizations, this method is widely used in seismic prospecting.
联合时频分析是地震信号处理的一种重要分析工具，方法很多，应用广泛。
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