Median filtering can highlight wave band better than 2-d velocity filtering does. It also causes a better VSP wave field separation.
中值滤波较通常的二维视速度滤波更能有效地突出波组特征,分离VSP波场的效果也较二维滤波优越。
Hyperbolic velocity filtering and similar coefficient method are introduced to remove the influences resulting from end-point effect and alias.
为了消除端点和假频影响,文中采用了双曲线速度滤波法和相似系数法。
To investigate the method to obtain the real-time longitudinal acceleration based on its velocity, vehicle acceleration is obtained through the velocity filtering, differential, and then filtering.
采用对车速信号进行滤波、差分、再滤波的方法获得了具有良好实时性和精度的汽车纵向加速度。
In the problem of smoothing, filtering and predicting matching data in aerospace measurement, matching data refers that velocity parameter is differential of position parameter.
讨论了匹配测量数据的平滑、滤波和外推问题。所谓匹配测量数据是指位置参数和速度参数呈求导的匹配关系。
In the KDF filter, effect of contact reaction time, filter bed height, and filtering velocity on lead and mercury removal was studied.
以KDF为滤料,研究了接触反应时间、滤层高度和滤速对铅和汞去除效果的影响。
The result shows that selection of suitable contact reaction time, filter bed height, and filtering velocity may result in efficient removal of lead and mercury.
结果表明,选择合理的接触反应时间、滤层高度和滤速能有效去除微污染原水中的铅和汞。
Experimental study is reported on real time measurement of velocity of solid surfaces by using spacial filtering method.
本文报道了基于空间滤波法对变加速运动物体表面运动速度进行实时测量的实验研究。
It was believed that the primary reason of the second propagation of Cyclops was the low filtering velocity and the long retention time in the filters.
指出滤池滞水区停留时间长、流速低是造成剑水蚤二次繁殖的主要原因。
Function characteristic: have the superior accumulate, progresses than the surface of micro, amid hole structure, adsorb to have great capacity, filtering velocity quickly etc. characteristic.
功能特性:具有较大的比表面积、发达的微、中孔结构、吸附容量大、过滤速度快等特性。
The experimental results indicate that ZnO retarder can increase the filtering velocity markedly, which ensures the strength and durability of filtering concrete effectively.
实验分析了不同电压、不同水泥品种、缓凝剂对电渗滤水混凝土性能的影响。
The mean blood velocity was estimated using the proposed method with a relative error of 5.62%, which demonstrated improved accuracy compared to 12.83% by using the high-pass filtering method.
实验中得到了与实际更接近的平均流速估计,相对误差仅为5.62%,与滤波法的相对误差12.83%相比,准确性得到了一定的提高。
In this paper, a filtering theory is applied to the multiple closed-loop feedback system for tracking a single target in range, velocity, azimuth and elevation in an airborne radar.
本文论述将滤波理论应用于机载雷达中对单个目标进行距离、速度、方位角和高低角跟踪的多环反馈系统。
Therefore, moveout transform filtering method in T-X domain was adopted, which linearized the curved coherent noise in T-X domain, and remove noise by the contrast of apparent velocity.
为此,采用T-X域时差变换滤波技术,即在T-X域内将曲线型相干噪声线性化,通过视速度差异去除噪声,从而达到压噪目的。
But when measurement data influenced by outliers, filtering convergence velocity becomes slow and the filter even diverges.
当测量值存在野值时,滤波收敛变慢甚至发散。
The group velocity dispersion curves of Bayleigh waves through most of the Qing-hai-Xizang Plateau are obtained, using the single-station and multiple-filtering process.
本文用单台多重滤波方法测定了经过青藏高原地区瑞利波群速度频散曲线。
The group velocity dispersion curves of Bayleigh waves through most of the Qing-hai-Xizang Plateau are obtained, using the single-station and multiple-filtering process.
本文用单台多重滤波方法测定了经过青藏高原地区瑞利波群速度频散曲线。
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