In terms of the characteristics of Ricker wavelet without side lobes,shaped design method of vibrator sweeping signal is by designing sweeping signal,to satisfy that the correlation wavelet is equal to Ricker wavelet,and its amplitude spectrum is equal to the frequency spectrum of Ricker wavelet,to provide shaped sweeping signal in text format to vibrator.
可控震源扫描信号整形设计方法根据Ricker子波无旁瓣的特性,通过整形算法设计扫描信号,使其能够满足相关子波等于Ricker子波、振幅谱等于Ricker子波频谱的要求,将整形扫描信号以文本方式提供给可控震源。
Using wavelet transform denoising and auto-correlation filtering, a weak linear frequency modulated (LFM) signal time-frequency parameter extraction method is developed.
该方法通过自相关滤波提取出LFM脉冲信号的频域参数信息,根据频域参数信息,确定小波分解尺度数和信号采样频率,使对采样数据的小波分解结果中,信号的小波系数在最大尺度上占优。
Secondly,it has been proved that the auto-correlation operator is one effective approach to evaluate low-contrast image specially based.
在对几种常用图像清晰度评价算子进行分析的基础上,证实了图像自相关算子是评价低对比度生物样品图像清晰度的有效算法。
An innovative auto-wavelet correlation analysis(AWCA) method is put forward here,which can be used i.
论文阐述了短时傅里叶变换(STFT)在分析长时间非平稳随机血流信号时产生的误差,提出了一种用于超声多普勒血流信号分析的自小波相关分析(AWCA)方法。
On Gibb's phenomenon supperssion of correalation wavelet in a high-resolution portable electromagnetic vibroseis
轻便可控震源相关子波吉伯斯现象的抑制
The Wavelet Analysis on the Relation of the Fluctuating Wall Pressure and Turbulent Coherent Structures;
壁脉动压强与湍流相干结构关联的子波分析
Volume Holographic Wavelet Correlator and Rotation-invariance Research;
体全息子波相关器及其旋转不变性研究
Two Problems Related to Plasma Waves in Solar and Space Plasmas;
太阳和空间等离子体中两个与波动相关的问题
Tracking Algorithm Based on Color Correlogram Using Particle Filter
基于色彩相关直方图的粒子滤波跟踪算法
Proton magnetic resonance spectroscopy in chronic liver diseases related with hepatitis B
氢质子波谱在乙型肝炎相关慢性肝病的研究
Image Denoising Based on Maxima Child Node Dependence Coefficients in Wavelet Domain
基于小波域最大子节点相关性的图像去噪
Linear dispersion relation for longitudinal modes of two temperature electron-positron plasma in relativistic regime
相对论正负电子对双温等离子体中纵波线性色散关系
optical matched-filter imagecorrelator
光学匹配滤波像相关器
Theoretical Study on Plasma-Filled High-Power Microwaves And it's Interrelated Problems;
等离子体填充大功率微波器件及其相关问题的理论研究
Realization of Dipole Array Acoustic Logging System and Research on Detection Algorithm;
偶极子阵列声波测井仪的实现及相关检测算法研究
Proton MR Spectroscopy in the Study of Post-stroke Depression;
脑卒中后抑郁障碍的氢质子磁共振波谱与临床相关研究
Critically Sampled Subband Adaptive Filtering Using Special Structure of the Input Sample Correlation Matrix;
利用相关矩阵特殊结构的临界采样子带自适应滤波
Research on Particle Filter and Correlative Algorithm in Object Tracking of Sport Video;
粒子滤波及相关算法在体育视频目标跟踪中的研究
The Analysis of Augumentation Index and Its Relative Factors
中心动脉反射波增强指数及其影响因子的相关性分析
The Effects of Extracorporeal Shock Wave Therapy to Tendon Repair and Correlated Growth Factor's Expression
冲击波对肌腱修复及其相关生长因子表达的影响
The Wavelet Analysis on the Relation of the Wall Pressure Fluctuating and Velocity in the Turbulent Boundary Layer
湍流边界层脉动速度及脉动压力相关联的子波分析
Expression of Age-Related Molecular Vimentin in the Testis and Epididymis of Different Months Old Rats
年龄相关分子波形蛋白在不同月龄大鼠睾丸和附睾中的表达
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