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- Seismic signal detection and first arrival pickup based on mutual information 基于互信息量的地震信号检测和初至提取方法
- The thesis mainly discussed the realization with software and hardware of the seismic signals detecting and target identifying microsystem. 本文重点讨论了小型便携式地震动目标探测识别系统的软、硬件实现。 硬件主要由三部分组成:信号调理电路对检测到的微弱地震动信号进行放大;
- Seismic signal detection 地震信号检测
- Easy verification of signal detection by the indicator. 通过指示器非常方便检测。
- The paper gave a high resolution processing method based on double spectrum of seismic signal from angle of higher order accumulated amount of signal. 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。
- Seismic signals are stored digitally in binary code. 地震信号是以二进制编码的数字形式储存的。
- Busy signal detected at remote site on callback. 在远程站点回拨时检测到了占线信号。
- Apparently, such a noise is powerless for the seismic signal possessing a dynamic range up to 120db. 这样的噪音显然对于动态范围高达120分贝的地震信号的真振幅恢复是无能为力的。 本文的目的在于找到一个最佳的噪音函数以获得相应的最大的真振幅恢复能力。
- The instantaneous frequency of seismic signal could be derived by Hil-bert transformation. 用希尔伯特变换的方法可以求出地震信号的瞬时频率.
- It is usually use geophone array to receive seismic signal in seismic exploration. 地震勘探中,通常利用检波器组合的办法来接收地震信号。
- Based on the energy features of seismic signals and generalized fractal, a novel algorithm of arrival time detection for seismogram was presented in this paper. 基于地震信号的能量特征及广义分维的思想,给出一种新的地震信号初至估计算法。
- It is that energy conversion that is responsible for the violent impact against the earth that generates the seismic signal. 就是这种能量转换引起对地层的猛烈冲击,从而产生了地震信号。
- The applications of a photon counter in a signal detection system of a compact Mie Scattering Lidar is described on this paper. 摘要介绍了光子计数器的结构、工作原理并对其进行了响应校准。
- Compared to conventional error analytic methods, time-frequency representation can reflect the amplitude misfit and phase misfit of seismic signal. 摘要时频误差分析法与常规的误差分析法相比,既能反映地震信号的振幅误差,也能区分其相位误差。
- Establishment of quantitative signal detection system can greatly enhance the efficiency of ADR monitoring. 不良反应定量信号检测系统的建立可以极大地提高药品不良反应监测工作的效率。
- De-noisding by soft-thresholding is a new signal detection method in wavelet analysis. 摘要采用浮动阀值分离噪声是小波分析中一个新的信号检测方法。
- The implementation of signal detection algorithms used in WLAN (IEEE802.11) baseband system is proposed. 实现了针对WLAN(IEEE802.;11)系统的信号检测算法。
- Geophone seismic signal is received the most critical link is placed in the ground up through the earth's vibration sensors, and then converted into electrical signal output. 地震检波器是接收地震信号最关键的环节,是通过放置在地面上来感应大地的振动,然后转换成电信号输出。
- Wideband Correlation Processing (WCP) is the base of wideband active signal detection. 宽带主动信号检测的基础是宽带相关处理。
- Time-frequency spectral decomposition of seismic signal based on GST can aid in the classification of seismic sequences and serve as an important tool for seismic interpretation. 地震信号的广义S变换时频谱分解可作为地震层序识别和解释的重要补充。