In this paper, developed are a method and correspondent software for calculating formation permeability from the center frequency shift and travel time delay in direct Stoneley wave.
利用多极子阵列声波测井资料提取直达斯通利波、计算斯通利波中心频率偏移和时间延迟来进行地层渗透率反演的方法已被研究了多年。
The longitudinal shift varies with the incidence Angle, and the time delay and the variations in the intensity and the time-width depend on the dispersion of the material.
反射光束的纵向位移量随入射角变化而变化,光束的时间移动、强度和宽度的变化与色散系数有关。
The key factors of the Relayed frequency shift jamming to it's quality are it's frequency shift amount and the time delay between the jamming pulse and the jammed signal.
决定转发移频脉冲干扰品质的是其移频量和与信号脉冲的相对延迟时间。
In this paper, with Rayleigh fading the random characteristics of multipath time delay and Doppler shift in HF ionospheric channels is discussed.
本文在瑞利衰落模型下,研究了高频电离层信道中多径时延与多普勒频移的随机特性。
The modal control is analysed in cases of all modal controlled and limited modal controlled respectively. The time delay is compensated using method of phase shift.
模态控制分控制全部模态和控制有限模态两种情况,时滞补偿采用移相补偿。
At present, the joint estimation methods of time delay and frequency shift for satellite interference localization are mainly based on the principle of correlation, such as CAF algorithm.
目前,卫星干扰源时延和频移定位参数的估计主要采用基于相关原理的互模糊函数算法(CAF)进行联合估计。
By using minimum variance and average principle, the adaptive filtering algorithm is analyzed to effectively compensate the time-delay and phase shift that appear in signals.
采用最小方差理论和平均原理对自适应滤波算法进行分析,对信号中产生的延时和相移予以有效补偿。
By using minimum variance and average principle, the adaptive filtering algorithm is analyzed to effectively compensate the time-delay and phase shift that appear in signals.
采用最小方差理论和平均原理对自适应滤波算法进行分析,对信号中产生的延时和相移予以有效补偿。
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