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.
经过模型计算、精度分析及地震信号处理中的若干运用,表明了该方法的有效性及可靠性。
From the results of model processing, precision analysis and seismic signal processing, it can be concluded that this algorithm is effective and dependable on seismic signal processing.
该方法在语音信号处理、无线通讯、噪声消除、生物医学信号处理、地震信号处理以及图像处理等方面得到了广泛的应用。
It is widely applied to audio signal processing, communication signal processing, noise decreasing, medical signal processing, earthquake signal processing and image signal processing etc.
地震子波估计对于提高地震资料数据的分辨率、信噪比有着极为重要的意义,是国内外地震信号处理中长期研究的重要课题。
The estimation of the seismic wavelet has a very important significance for improving the resolution and signal-to-noise of seismic data, and it is a long-term research in seismic data processing.
HHT作为一种新的信号分析理论,已逐步应用到地震信号分析、机械故障诊断、流体力学、医学信号处理和语音信号处理等领域。
As a new signal analysis theory, HHT has gradually applied to seismic signal analysis, mechanical failure diagnosis, hydrodynamics, medical signal processing, voice signal processing, and so on.
空间谱估计是阵列信号处理的一个重要分支,近年来在雷达、通信、声纳、地震、射线天文等科技领域取得了极为广泛的应用。
Spatial spectrum estimation is an important area in array signal processing, which is widely used in radar, communication, sonar, earthquake, chronometer and other aspects of science and technology.
应用领域包括油田地震勘探、通讯、雷达跟踪、信号处理和状态估计等。
The application fields include oil seismic exploration, communication, radar tracking, signal processing and state estimation, and so forth.
本文详细说明了应用GH M正交多小波对地震信号进行去噪处理的原理,并给出实际例子说明该方法的有效性。
The paper elaborated on the principle of noise suppression processing by using GHM orthogonal multi wavelets for seismic signal and gave real examples to show the effectiveness of the method.
它可应用于石油地震勘探信号处理。
It can be applied to signal processing in oil seismic exploration.
用TFCC算法和相关算法来处理相同的实际可控震源地震数据,显示前者能更好地压制噪声,并能清晰地检测到微弱回波信号。
Using TFCC and correlation algorithms for processing of same practical vibroseis seismic data showed that the former could better suppress noises and detect weak reflection signal distinctively.
在信号处理领域中遇到的许多信号都是非平稳信号,如通信信号、某些雷达信号、地震波、声纳等。
In the area of signal processing, many signals we encounter are non-stationary, such as radar signals, seismic waves and sonar signals etc.
白噪声反卷积问题在石油地震勘探、通信和信号处理领域有重要应用背景。
White noise deconvolution problem has important application backgrounds in oil seismic exploration, communication, and signal processing.
海洋地震勘探主要包括数据采集、信号处理和解释三个步骤。
There are three procedures used in offshore seismic exploration: data gathering, signal processing and interpretation.
实测数据表明,CIC与IS O P滤波器级联适用于地震勘探信号处理。
The measured data show that the cascade filtering of CIC and ISOP is suitable for signal processing in seismic exploration.
利用这种信号的分解与重构算法在南芬露天矿爆破地震信号噪声处理中,取得较好去噪效果。
This signal decomposition and rebuilding algorithm was used in processing the blast - caused seismic signal noise of Nanfen Iron Open - pit Mine, which achieved good noise subtracting effect.
利用信号恢复技术,对地震式低频振动传感器因频率特性而畸变的输出作补偿处理。
Signal recovery technique is adopted to compensate the output which is distorted because of the frequency characteristics of seismic transducer.
在地震勘探资料处理中,相位问题是影响有效地震反射信号实现同相叠加的重要因素之一。
The phase problem is one of the important factors that effect seismic reflective signal stack in same phase.
为了更好地进行地震测井联合反演,必须首先对测井信号进行预处理,而在此过程中测井信号去噪和测井低频信息提取是非常重要的。
The well-logging signal pretreatment is the first requirement for the sake of a better joint inversion of seismic and well-logging data.
由于牙轮钻头在信号采集、处理等方面的优势,现阶段随钻地震测量主要采用的是牙轮钻头。
In the present SWD survey, roller-cone bit is widely used because of its advantages in signals recording and processing.
测试结论表示该仪器可以较好完成对地震波信号白勺采集和数据预处理白勺功能。
The test result indicates that this instrument can accomplish the functions like data acquisition and data pre-treatment to seismic waves.
本课题从分析深层地震信号的特点入手,对深层 地震 资料的处理方法开展了一系列的 研究工作。
This topic starts with analyzing the features of deep seismic signals, and a series of research on the processing of deep were developed.
本文从信号高阶累积量的角度出发给出了一种基于地震信号双谱的高分辨率处理方法。
The paper gave a high resolution processing method based on double spectrum of seismic signal from Angle of higher order accumulated amount of signal.
针对地震波信号白勺特点,提出了基于FFT和小波分析白勺包括去噪、滤波和数据压缩白勺数字信号处理算法。
According to the characteristics of the seismic data, some data processing algorithms based on FFT and wavelet for denoising, filtering and data compression is put forward.
本文主要是使用离散二进小波变换,采用小波域阈值的去噪方法对地震信号中随机噪声进行分析和处理。
This paper mainly points out how to analyze and get rid of the random noise of seismic data by using the wavelet transform and de-noising method by threshold filter in wavelet domain.
设计一种基于数字信号处理器(DSP)白勺地震波数据采集仪。
The design of a Seismic Data Acquisition System based on DSP.
盲信道辨识也可应用于信号处理的其他领域,如地震波分析、雷达波分析、图象盲恢复、生物医学信号分析等,因此具有很高的实用价值。
Therefore, it is more efficient and more applicable to advanced communication systems. Blind channel identification also has applications in image restoration, geoscience, etc.
研究内容还包括为地震接收子系统DSP信号处理器提供接口的CPL D等关键部件的设计。
The research focuses on the design of CPLD and other key parts of DTB, which provides interface for DSP of the receiving subsystem.
深反射地震资料处理的关键是从干扰背景中提取和增强深层弱有效信号,提高剖面的信噪比和分辨率。
The present paper has dealt systematically with a practical and effective deep reflection seismic technique—small-scale wide line reflection seismic technique.
深反射地震资料处理的关键是从干扰背景中提取和增强深层弱有效信号,提高剖面的信噪比和分辨率。
The present paper has dealt systematically with a practical and effective deep reflection seismic technique—small-scale wide line reflection seismic technique.
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