stack n. 1.(麦杆等的)堆,垛;干草堆。 2.积材,层积,堆积;〔英国〕一堆〔木材等的计量单位,=108立方英尺〕。 3.〔常 pl.〕(图书馆的)许多书架,书库 (= stack room)。 4.【无线电】选式存储器。 5.枪架。 6.烟囱;一排[一群]烟囱,车船的烟突。 7.【机械工程】管组。 8. 〔英国〕(突出海面的)浪蚀岩柱,海中孤峰。 9.(赌博时的)一堆筹码。 10.〔口语〕许多,大量。 a precariously balanced stack of books 眼看就要倒下来的一堆书。 a stack of postcards [old newspapers, shoeboxes] 一大堆明信片[旧报纸、鞋盒]。 a stack of rice straw 稻草垛。 a considerable stack of evidence 大量的证明材料。 have stacks of work to do 有许多工作要做。 stack of arms 枪架。 vt. 1.堆叠,堆垛,堆积,堆起。 2.【航空】指令飞机作分层盘旋飞行等待依次着陆。 3.【军事】架(枪)。 4.秘密地预先安排好,内定。 5.〔美俚〕把房间弄得乱七八糟。 6.【桥牌】洗牌作弊。 S- arms! 【军事】架枪! be nicely stacked up 体态丰满匀称的〔指妇女〕。 vi. 成堆,堆起来。 blow one's stack 〔俚语〕大发脾气 (When he came in and saw the mess he blew his stack. 他一进屋里看见那个混乱情况就大发一顿脾气)。 have the cards stacked against sb. 把某人的处境弄得极端不利。 stack the pins 〔美,运〕准备下一次比赛。 stack up 1. 总起来,加起来 (He is all abroad as to how things stack up today. 他对当前总的形势毫无所知)。2.(飞机)分层盘旋飞行。3.与某人相称[比较] (to); 与…较量[争输赢] (with, against) (She doesn't stack up to you. 她不如你)。4.牵强附会,表面似乎合理 (Your story just doesn't stack up. 你讲的简直是胡说八道)。 stack up the velvet 〔美,剧〕赚到钱,营业情况好。 n. -er 1.堆垛者。 2. 可升降摄像机台。
Three - pass 3 - d pre - stack migration by radon projection 三步法三维叠前拉东投影偏移
Application of pre - stack two - phase media attribute inversion in prediction of carbonate reservoirs in tazhong block 叠前双相介质属性反演技术在塔中碳酸岩储层预测中的应用
Applied seismic forward modeling part : quantitative determination of thin layer anisotropy by pre - stack seismic forward modeling 用地震正演叠前炮集记录模拟方法定量解释薄砂岩的各向异性
With the application of pre - stack migration technique in zhongyuan oilfield , final results prove the effectiveness of this technique 通过叠前偏移技术在中原油田的应用,结果表明了该技术的有效性。
It has been proved that application of forward model to pre - stack depth migration image is very helpful to improving image quality of seismic data processing 事实证明,这种将模型正演应用于叠前深度偏移处理成像的方法对于提高地震资料处理的成像质量具有非常重要的作用。
Actual seismic data procession shows the efficiency of this method to increase the signal - to - noise ratio of horizontal stacked profile , especially for inaverage signal - to - noise ratio in pre - stack trace assemblage data 实际地震资料处理表明,这种方法能够有效地提高水平叠加剖面的信噪比,尤其对于叠前的共中心点道集资料中信噪比不均衡的情况,效果更好。
So a new method , the cascade matched filtering processing technique characterized by pre - stack multi points , is proposed , which uses iteration before stack and utilizes stack to improve the stability of the matching operator to realize the consistency of the two kinds of source record 该技术在叠前通过逐步逼近法,并利用叠加手段提高匹配算子的稳定性,实现提高2种震源记录一致性的目的。
Finally , using the static reservoir description as the basis , pre - stack and post - stack 4 - d seismic data processing result as the constraint , the 4 - d seismic feasibility study as the evidence , began basic dynamic reservoir description in order to analyz 最后,以地震静态油藏描述为基础,以迭前和迭后四维地震资料处理结果为约束,以四维地震可行性研究结论为依据,进行初步的油藏动态描述,主要分析注水前沿的推进过程。
Geological model is set up by using seismic data interpretation result to perform ray - trace forward modeling analysis , and to guide the establishment of initial velocity model of pre - stack depth migration , thus reaching the purpose of precise image of complex structure under complex surface 利用已有地震资料解释成果,建立地质模型进行射线追踪正演模拟分析,从而指导叠前深度偏移初始速度模型的建立,达到了复杂地表下复杂构造精确成像的目的。