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。
Therefore, the deposition cycles and track sequence interfaces distinguished by 3d wavelet time frequency analysis method can be used to determine reservoir areas.
利用小波三维时频分析方法划分的沉积旋回和物性变化规律可以进行层序界面追踪,并进一步确定储层范围。
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。
The orthogonal sampling demodulating technique for low frequency time-code signal is introduced. Based on the theoretical analysis about its principle and implement method, The simulation is tested.
作者提出低频时码信号的正交扫描解调技术,从理论上分析了正交扫描原理和实现方法,并进行了仿真测试;
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。
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。
The main analytical method of unsteady flow in pipelines includes frequency domain analysis and time domain analysis.
管道中非稳定流动的分析方法主要有频域法和时域法。
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。
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。
A method, based on analysis of time domain and frequency domain, applied in dynamic balance of hydro-generator rotor is presented.
提出了一种基于时域分析和频域分析的动平衡方法,应用于水轮发电机转子的动平衡。
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。
This article analyzes the plant electrical signal in time domain and frequency domain by using the statistical analysis method.
应用统计分析方法对植物电波信号进行了时域和频域上的分析。
Based on observed signals analysis and comparison in time - domain and frequency -domain, the method of distinguishing interfere signals and abnormal electromagnetic radiation signals is given.
基于对观测信号的时域、频域分析的比较,给出了干扰信号与异常电磁辐射信号的判别方法。
Having good time-frequency localization character, and correctly identifying singularity point in fault signal, Wavelet is the main analysis method in this paper.
小波变换具有良好的时频局部性,具有变焦距的特点,对故障信号中的奇异点能够准确识别,是论文中应用的主要分析方法。
A method of time field analysis in continuous system is adopted to study the output characteristic and the frequency response of switch type capacitor filter.
为了研究开关式电容滤波器的输出特性和频率响应,采用了连续系统时域分析方法,建立了滤波器的输出特性模型和频率响应模型,并进行了仿真。
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。
Wavelet analysis, also called wavelet transform, is a new analysis method with good time frequency localization characteristic, so it is suitable for fault analysis of power system.
小波分析(或称小波变换)是一种新的时频分析方法,它具有良好的时频局部化特性,适用于电力系统故障分析。
A reassignment method for nonstationary time-frequency joint analysis is introduced.
介绍了非平稳信号时频联合分析中的重排方法。
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。
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。
This method analyzes VHF and UHF signal of detected cable joint, using time and frequency analysis. This method can be used for detecting PD pulse inside or outside the insulating joint.
该法对电缆绝缘接头处VHF和UHF信号的时域和频域分析可有效地识别被测电缆绝缘接头部内、外部的局放信号。
Use relative signal processing method to pre-processing data, make time domain and frequency domain analysis, calculate the ride index and comfort, obtain relative results and export reports form.
应用信号处理相关处理方法对数据进行预处理,时域、频域分析,进行平稳性指标、舒适度计算,得出相关处理结果,输出报表。
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。
Analysis of frequency spectrum of human ECG using method of real-time frequency spectrum analysis and filter method is presented.
本文介绍了用实时频谱分析法和滤波器法对人体心电信息作频谱分析。
This paper makes the comprehensive evaluation of the quality of pile foundation through time domain, frequency domain and entropy spectrum, in which spectrum analysis is a new method.
通过时域、频域、熵谱对桩基质量进行综合评价,熵谱是一种新的谱分析方法,并通过实例分析,说明了在评价桩基质量时熵谱的优点。
Using time-frequency-and complex frequency domain analysis to find the complete response of the circuit from the different point, has the different physics meaning and calculating method.
电路的时域、频域和复频域三种分析法求解电路的完全响应,比较了三种分析法的物理意义和计算方法。
Based on the analysis, a new method to detect carrier frequency of FSK signal named time-domain joint and modern power spectrum estimation is put forward.
对电力远动通道FSK信号进行了时域和频域分析,在此基础上提出了一种新的FSK信号载波频率测量方法—时域拼接结合现代功率谱估计的方法。
A method of understanding and processing ISAR image is presented, which is based on the time-frequency analysis algorithm - improved Adaptive Guassian Representation (AGR).
文中提出一种基于改进的自适应高斯表示(agr)的ISAR图像理解与处理方法。
On the basis of the methods above, the method of time-frequency analysis: local wave method is introduced.
在时域、频域分析方法的基础上,论述了一种时频域分析方法这——局域波法。
It has been shown that many biomedical signal problems may benefit from time frequency analysis. The basic method of time freq...
实际研究表明,时频分析方法能够解决很多生物医学信号问题。
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