Deserve to have room of the lacquer that bake , wds special computer detector , automobile body is corrective appearance , four - wheel the maintenance equipment such as line of fixed position appearance , automatic bolt and special tool 配有烤漆房、 wds专用电脑检测仪、车身校正仪、四轮定位仪、自动栓测线及专用工具等维修设备。
( 5 ) studying mode structure of fiber laser by spherical surface scanning interferometer , in theory deducing the method of measuring width by spherical surface scanning interferometer , proposing two kind of narrow width fiber lasers ( 5 )利用球面腔扫描干涉仪研究了光纤激光器的模式结构,从理论上对球面腔扫描干涉仪测线宽进行了分析研究,提出了两种窄线宽光纤激光器。
After geological survey , shallow seismic profile research and electrical prospecting , the lay out of measuring line and the exploration result verified by drilling tests are presented in the paper which provides scientific basis for residential area planing 论述了小区地质概况及浅层地震、电法勘察的物理前提,说明测线布置及工作方法对勘查结果辅以钻槽探验证资料为修改小区住宅规划布置提供依据。
This paper expounds the contents and standards of the quality detection of the tunnel - liner and the positions of the measuring lines , introduces the basic principles of the detectors , and probes into some problems needing attention in the data processing and picture explaining 阐述了隧道衬砌质量检测的内容、标准及测线的位置,介绍了检测仪器设备基本原理,探讨了数据处理和图像解释中应注意的问题。
This method can make the crp depth imaging and the interpolation of prestack data he completed simultaneously , and also it better resolve the problems of 20 data process such as incorrect imaging , difficulty of aide wave process , disclosure between inlines and crosslines 本方法能使共反射点偏移成像与叠前数据插值一步完成,较好地解决二维资料处理中的成像点不能准确归位、侧面反射波难处理、主测线与联络线不闭合等问题。
Two practical survey data sets are used as a case study to verify the efficiency and reliability of the compensation method . the results show that the precision of the compensated network has been increased from 2 . 74mgal to 7 . 11magal . 4 平差结果表明三种平差模型均对测线系统误差进行了有效的补偿,补偿后的精度提高了2 . 74 7 . 11毫伽,而且,对补偿后的测线网进行测线系统误差显著性检验,检验结果显示测线系统误差的影响已不再显著。
The processing and graphical representation of aeroelectromagnetic data of over 30000 traverse kilometers demonstrate the effectiveness of the techniques , and the apparent resistivity images obtained reflect characteristics of shallow electric distrbution , thus providing new data for geological mapping 通过对3万多测线公里航空电磁数据的处理与图示,证明了方法的有效性,取得的视电阻率图像反映了各测区浅层电性分布特徵,为地质填图提供了新的数据。
2 . according to the characteristic of airborne gravity survey , several statistic variables are derived from theory of probability and mathematical statistics combined with knowledge of errors principles . these statistic variables are applie to the significance test of systematic errors in every surveying line 2 、根据概率论和数理统计的理论与方法及误差理论,结合航空重力测量的特点,建立了有关检验统计量,并将其应用于航空重力测量测线系统误差的显著性检验。
Consequently , the paper investigates the following aspects about the network adjustment theory and practice for airborne gravimetry , m oreover , some questions correlated with solving the adjustment problem are discussed in detail . 1 . based on actualities of airborne gravimetry , two practical methods of searching crossovers are proposed , i 为此,本文从以下几个方面对航空重力测量测线网平差的理论与方法及相关内容进行研究,并得出若干初步结论: 1 、结合航空重力测量的实际情况,提出了两种实用的交叉点搜索方法,即跳跃搜索法和图形辅助搜索法。
In the yield data acquire multi - line geometric in a radial pattern is adopted . before theoretical explanations about the non - uniqueness of inversions and the necessity of constrains are illustrated , the description of linear travel - time interpolation ( lti ) calculations , the derivation of jacobian linear equations , and the deductions of solving large sparse matrix equations , i . e . the lsqr iterations , are involved . in order to cope with the uncertainties in tomography , we reach several categories on constraint methods 对于野外数据采集采用多测线上放射状布置检波器;围绕层析成像方法,文章分析了线性差值射线追踪lti技术,推导出在矩形网格内速度以双线性关系变化时方程组的解析式,进一步详细探讨方程组的求解方法,即最小平方正交分解法,并给出了迭代公式。