例句與用法

1. Wang shoudong , wu lu , crosshole seismic data image using wave equation inversion , presented at 66th seg annual meeting , 1996
   王守東，劉家琦，層狀介質(zhì)二維波動方程疊前反演方法，中國地球物理學(xué)會年刊，長沙， 1993 。
2. On top of that , war may resume between eritrea and ethiopia and between sudan ' s government and former rebels in the autonomous south ( see article )
   最嚴要的則是，厄立特里亞和埃塞俄比亞之間的，蘇丹政府與自治區(qū)南部的前反政府叛軍之間的戰(zhàn)爭可能會卷土重來。
3. The clues and techniques to improve the resolution of data processing are 1 ) removing the affection of near surface factors on data acquisition , including static correction and noise eliminating technique etc , 2 ) broadening the frequency band of pre - stack seismic data , including amplitude compensation and pre - stack deconvolution etc , 3 ) improving s / n ratio of high frequency and weak reflection signals through multiple coverage with high precision velocity analysis , residual static correction and high - order nmo , raising " dead line of high frequency reflection " , and 4 ) identifying post stack effective reflection frequency band , enhancing dominant frequency and so on
   主要包括：消除近地表因素對資料采集的影響，包括靜校正和噪音壓制技術(shù)等；疊前拓寬地震資料領(lǐng)帶，包括振幅補償和疊前反褶積技術(shù)等；借助高精度速度分析、剩余靜校正和高次項nmo技術(shù)，通過多次覆蓋疊加，消除資料中隨機噪聲干擾、提高資料信噪比，尤其是高頻端反射信息的信噪比，改善高頻反射和弱反射信號信噪比，提高“高頻反射死亡線” ；疊后有限反射頗帶識別、抬高優(yōu)勢頻率等。
4. According to characteristics of the seismic data from the low snr region with complex surface , this paper is started from solving the static correction problem and reasonable eliminating all kinds of disturbance in the seismic data from the low snr region with complex surface . through the whole process of seismic data processing which includes a series of processing methods that are suitable for the low snr region , namely , from the choosing of the floating base - level , the static correction in the field and indoors , the eliminating of all kinds of noise before and after stacking , the velocity analysis with high - resolution , the reasonable techniques of deconvolution before stacking and wavelet processing after stacking , to the method choosing of the high - resolution stacking and the reasonable and accurate offset imaging , a set of the complete and effective flow for processing seismic data from the low snr region with complex surface are finally formed , which can meet the need of explo
   本文針對復(fù)雜地表低信噪比地區(qū)地震資料的特點，以解決復(fù)雜地表低信噪比地區(qū)地震資料靜校正問題及合理剔除各類干擾為出發(fā)點，在整個地震資料處理過程中，從浮動基準面的選取、野外及室內(nèi)靜校正、疊前疊后各類噪音的去除、高精度速度分析、合理的疊前反褶積及疊后子波處理技術(shù)、到選用高精度的疊加技術(shù)及合理準確的偏移成像方法等一系列適合于復(fù)雜地表低信噪比地區(qū)的處理方法，最終形成一套較完整且有效的針對復(fù)雜地表低信噪比地區(qū)地震資料的處理流程。