A novel Laser screen velocity measuring method with large effective screen area is introduced for some special velocity measuring occasions like wide spreading range or big-size flying objects.
针对弹道散布范围大或被测飞行物体尺寸大的测速场合，介绍了一种实现大面积有效靶区激光光幕速度测量的方法。
The error caused by the ring method of equivalent area to measure the mean velocity of the circular pipe is studied by the different now pattern.
根据不同流型讨论了等面积圆环法确定断面平均流速时所产生的误差。
Theoretical and real processing results show that the method is very suitable to the image of steep-dip seismic data in the area where seismic velocity varies with depth.
理论与实际资料的处理结果表明，该方法对速度随深度变化地区的大倾角反射成像是十分有效的。
Based on modes modification method, the acoustic pressure is found and reduced by optimizing the velocity of the nodal point in main vibrant area.
基于模态修改法优化主要振动区域腹部节点的速度来降低车内噪声。
The method of stack velocity analysis based on relief surface presented in the paper uses double-square-root equation to compute the travel time of reflections, which is suitable to use in the area w.
本文提出的基于起伏地表的叠加速度分析方法，应用双平方根方程计算反射波的旅行时间，可适用于地形起伏剧烈地区。
Influenced by the water depth of ship sea trial area, velocity measurement of deep-draft large-scale ship should be shallow-water corrected with proper method.
受实船试航水域水深的影响，对于深吃水的大型船舶航速测量结果必须采用适当的方法进行航速的浅水修正。
In discharge measurement by the velocity-area method, determining positions of velocity and depth-measuring verticals is a prerequisite condition to this measurement.
流速-面积法流量测验中，测深测速垂线的定位是流量测验的前提。
Because of drawback of four-screen measuring system and two-screen velocity measuring method, an improved six-light-screen array is presented that is composed of six large area light screens.
弹丸着靶坐标和飞行速度以及飞行方向角是外弹道测试中必测参数，本文针对四幕光幕靶和双光幕测速系统的不足，采用六个大靶面光幕靶，构造出了两类六光幕阵列结构。
Because of drawback of four-screen measuring system and two-screen velocity measuring method, an improved six-light-screen array is presented that is composed of six large area light screens.
弹丸着靶坐标和飞行速度以及飞行方向角是外弹道测试中必测参数，本文针对四幕光幕靶和双光幕测速系统的不足，采用六个大靶面光幕靶，构造出了两类六光幕阵列结构。
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