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- Abstract The evolutionary programming inversion(EPI)of crosshole seismic travel time tomography is a nonlinear and global optimization method. 提要 井间地震走时层析成像的遗传进化反演法是一种全局最优化的非线性反演方法。
- The evolutionary programming inversion(EPI)of crosshole seismic travel time tomography is a nonlinear and global optimization method. 井间地震走时层析成像的遗传进化反演法是一种全局最优化的非线性反演方法。
- This paper proposes a new seismotomographic method to determine the velocity distribution and positions of the interfaces in a laterally inhomogeneous medium using seismic travel time data. 本文提出了一种横向非均匀介质中的地震层析成象方法,由地震走时资料确定介质的速度分布和界面位置。
- Algorithm and Comparison of Seismic Travel Time Computerized Tomography Technique 地震走时层析成像算法与比较
- seismic travel time 地震波传播时间
- This new tunnel saves a lot of travel time. 这座新隧道节省了我们通车的时间。
- then, using finite-difference algorithm of eikonal equation to compute the cross-hole seismic travel times and make inversion of cross-hole velocity structure; 然后采用程函方程有限差分法进行井间地震走时计算,反演出井间速度结构;
- This paper,using the least travel time and SIRT method,study on the seismic tomography of stress abnormal in coal field.These have some theoretical and practical values. 该文采用最小旅行时和SIRT法,对煤田中的地应力异常地震层析成像的方法进行成像研究,具有一定的理论价值和现实意义。
- This signature is changed and broadened with travel time. 这个信号随旅行时间的变化而展宽。
- Horseman 100 -2 days travel time on stable trips (min. 1 day). 骑师100减少2天骑马旅行的时间(最低为1天)。
- The new bus service cuts the travelling time by half. 新的公共汽车交通服务使运行时间减少了一半。
- Seismic measurements of travel time and amplitudes define the subsurface, geometry and give estimates of the acoustic impedances related to rock velocities and densities. 根据对地震波的运动时间和振幅所进行的测定,就可以确定地下地层的几何形状,并得出与岩石中波速及密度有关的一个重要参数-声阻抗。
- We will need to allow for travel time in the schedule. 我们必须考虑到行程表中的旅游时间。
- The Concorde has halved travel time between some of world's major cities. 协和式飞机把来往于世界一些大城市之间的飞行时间缩短了一半。
- Explorer 100 All travel times reduced by 1 day (min. 1 day). 探险者100所有旅行时间减少1天(最低为1天)。
- The new jet service cuts the travelling time by half. 新喷气式客机减少了一半旅行的时间。
- The peninsula was canalized to save ships traveling time. 这个半岛被开凿运河,以节省船只的旅行时间。
- A computer algorithm is used to find the minimum travel time between all consumer nodes and all bank locations. 利用计算机程序找出所有消费者点和所有银行点间的最少往来时间。
- Seismic traveling wave effect can severely influence the seismic responses of un-control, semi-active control and active control of long span rigid-continuous bridge in lognitudinal and transverse direction. 地震行波效应会对大跨刚构-连续桥梁纵桥向与横桥向的无控制、半主动控制和主动控制地震反应产生严重影响,它对桥梁的主梁和桥墩均会产生不利影响,而不是只对主梁产生不利影响。
- Depending on the problem, the cost may represent distance, travel time, or some other measure. 根据问题的不同,成本可能表示距离、旅行时间或一些其它测量单位。