Conventional de-noising methods by threshold filter in wavelet domain do not utilize the correlations of seismic data to remove random noises.
常规小波域阈值去噪方法未能充分利用地震信号相关性的特点进行去噪 ,只能去除地震信号中部分随机噪声 ,为此提出了一种小波域分时分频相关结合阈值去噪处理方法。
The application of WT approach to seismic data processing has bright future,and hence further research into this field is of great value.
小波变换方法由于具有同时在时间域与频率域分析的特点,在信号的分析处理方面得到了广泛的应用,将其应用于地震信号噪声的处理,有着更好的应用前景和研究价值。
The effect of using conventional KL transform to remove strong energy random noises of seismic data is not very good.
常规KL变换对于具有强随机噪声的地震信号处理效果不佳 ,本文提出一种将小波变换和KL变换结合使用的去噪处理新方法。
The coseismic signals of aftershocks exist in all components of th.
通过与汉王强震台的地震记录数据比较发现,同震信号存在于所有的电场和磁场记录分量中,它们与地震波的到达同步,而不是在地震发生的时刻出现。
Signal Design and System Development of Pulse-Coded Impact Seismic Source
脉冲编码可控震源信号设计与系统研究
Vibroseis signal designing based on ternary pseudo-random coding technology
基于三元伪随机编码的可控震源信号设计方法
Seismic Vibrator Signal Modulating Based on Aperiodic Pseudorandom Sequence
基于非周期伪随机序列的可控震源信号调制技术
2)The electromagnetic emission signals of earthquakes observed at present mainly come from the direction of focus or epicentre;
2.目前所观测到的地震电磁辐射信号主要来自震源(或震中)方向。
Analysis of Signal Separating Principle for Slip-sweep Records of Vibrator
可控震源滑动扫描记录信号分离原理分析
marine seismic generator
海洋地震信号发生器
Gravitational waves signals look like sine waves and occur at different frequencies that depend on their source.
引力波信号看起来象正弦波，但根据他们自己的震源有不同的频率。
The Research of Ternary Pseudo-random Encoding Sweep Technique and the Signal Generator for Vibrators;
可控震源三元伪随机编码扫描技术研究及信号发生器研制
Research to the Dectection and Direction of the Seismic Wave Fuse Signals Technology
地震波引信信号检测和识别技术研究
APPLICATION OF PHASE INFORMATION TO SIGNAL DETECTION OF ARTIFICIAL SEISMIC SOURCE
人工地震信号检测中相位信息的利用
A method of forming source wavelet by using a pair of trapezoid frequency spectrum.
利用一对梯形形状的频谱函数合成地震勘探信号源子波的方法研究
The Development of Seismic Signals Acquisition System Based on MEMS Seismometer;
基于MEMS地震仪的天然地震信号采集系统的开发
Seismic phase separation technique of micro-seismic signal by polarization-position correlation
微地震信号的偏振—位置对比法震相分离技术
Study of Simulation Signal Source for XXX Radar Signal Processor;
XXX雷达信号处理机仿真信号源的研制
HHT Analysis of Blasting Vibration and Its Application;
爆破震动信号的HHT分析与应用研究
Design of Monitor&control System for Earthquake Based on GPRS;
基于GPRS网络地震信号测控系统设计
Application and Method of Time-Frequency Characteristic Representation for Seismic Signal;
地震信号的时频特征表示方法及应用
Microseismic Signal Analysis and Extraction Method in Complex Wavelet Field
复小波包域的微震信号分析提取方法