查询词典 inversion problem

In addition, the function of inversion is also important for learning the phenomenon of inversion.

此外，理解倒装的功能也对倒装这一语法现象的学习和掌握非常重要。

The principles are as follows:①preliminary interpretation is carried out on crosswell seismic data in depth domain to establish an accurate velocity model;②sinc interpolating function is used in depth-time conversion to realize waveform fidelity;③the recognition of surface seismic data is utilized to ascertain the reflection characteristics of crosswell seismic data in time domain;④ good spatial continuity of surface seismic data is adopted to retrieve the "hopper" defect in crosswell seismic profiles and the deficiency of lateral contrast between crosswell seismic data;⑤in fine calibration of well-side traces of crosswells and surface seismic data, coincident time-depth relation is used to match two seismic data so as to make the calibration more reasonable;⑥in multi-crosswell seismic data inversion by sparse spike inversion method, lateral restraints are strengthened to ensure the continuity of inversed wave impedance profile.

实现反演的基本原理是：对深度域井间地震资料进行初步解释；建立精确的速度模型；在对井间地震剖面进行深时转换时采用sinc插值函数实现波形保真；利用对地面地震资料的认识来落实时间域井间地震资料的反射特征；利用地面地震资料良好的空间连续性弥补井间地震剖面的"漏斗"缺陷和井间资料之间横向对比性的不足；在井间地震和地面地震井旁道精细标定中，通过一致的时深关系来实现两种地震资料之间的匹配，使井旁道的标定更加合理；在利用稀疏脉冲反演方法进行连井井间地震资料反演时，通过增强横向约束保证反演波阻抗剖面的连续性。

During the inversion of the dual lateral log, The generalized inversion method is used to invert the three parameter (the radius of the invasion zone, the resistivity of the invasion zone, the resistivity of the destination formation) and eliminate the affect of invasion zone.

对于双侧向测井反演，本文将广义逆反演方法用于消除侵入影响的三参数(侵入半径、侵入带电阻率、原状地层电阻率)反演中。

Aiming at the process of reservoir prediction,when wave impedance is not effectively identified sandbody,this paper proposes an inversion method of effective rebuild acoustic curve to use well log curve to develop reservoir inversion.

针对储层预测研究过程中，当波阻抗不能有效识别砂体时，如何利用对储层有良好分辨能力的测井曲线开展储层反演研究工作，提出一种行之有效的重构声波曲线反演方法。

In order to enlarge capacity building size and to enrich exploitation seismic interpretation methods, gamma log curve without container rock velocity information and resistivity logging curve were converted to realize the purpose of seismic inversion as pseudo sound wave curve, and to make the seismic inversion data volume have information of shale content and oiliness and help to predict the sandstone thickness and oiliness of reservoir bed.

为扩大油田产能建设规模、丰富开发地震解释方法，本文把不具备储层速度信息的伽玛曲线、电阻率曲线通过一定的转换，实现作为伪声波曲线进行地震反演的目的，使地震反演数据体加入泥质含量及含油性两种信息，有助于进行储层砂岩厚度预测及储层含油性预测。

This article , having studied experiments on saccharose inversion with sodium bisulphate as catalyzer , discovers that sodium bisulphate is more appropriate than muriatic acid for experiments on saccharose inversion .

以硫酸氢钠为催化剂，对蔗糖转化反应实验进行了研究，实验结果表明：用硫酸氢钠代替盐酸做蔗糖转化实验效果更好。

The paper describes the Occam inversion theory, constructs a theoretical model to be testified, and presents an example of the Occam's inversion technique.

本文阐述了奥克姆反演的原理方法，通过理论模型进行了验证，得到了较好的效果，对工程实例进行合理的反演解释。

In the chapter 4, we discussed the generalized linear inversion method of direct current IP data from the angle of the least squares method. The computed speed of inversion can be greatly raised by calculating the partial derivatives matrix combining the reciprocity principle with Broyden\'s quasi-Newton method.

在第四章中，从最小二乘广义线性反演的角度，探讨了直流激电数据的广义线性反演方法；在偏导数矩阵的计算过程中，通过将互换原理与Broyden拟牛顿技术相结合的计算方式，可大大提高反演的运算速度。

The surface southeast wind is a condition for the generation of advection fog, but it contributes to the disappearance of radiation fog. The inversion in the radiation fog is thick and strong ,but it is weaker or no inversion in the advection fog. The evolution of stratification from the occurrence to the destruction in the radiation fog is from stable to unstable, while the advection fog from unstable to stable.

底层东南风是平流雾生成的条件，却对应于辐射雾的消亡；辐射雾逆温厚而强，平流雾则为弱的逆温或无逆温；辐射雾生消演变对应于大气层结由稳定发展为不稳定，平流雾则对应于由不稳定趋于稳定。

The results of two inversion algorithms indicate that RAGA is superior to SGA. RAGA inversion is an applicable method for both of simple and complex velocity model.

二种算法的反演计算结果说明，加速遗传算法性能优于标准遗传算法，无论针对简单速度模型还是复杂速度模型，加速遗传算法都是适用的。

Article 144 The Government of the Hong Kong Special Administrative Region shall maintain the policy previously practised in Hong Kong in respect of subventions for non-governmental organizations in fields such as education, medicine and health, culture, art, recreation, sports, social welfare and social

第一百四十四条香港特别行政区政府保持原在香港实行的对教育、医疗卫生、文化、艺术、康乐、体育、社会福利、社会工作等方面的民间团体机构的资助政策。原在香港各资助机构任职的人员均可根据原有制度继续受聘。

Small wonder, then, that the Chinese spend more in the shop than any other group of foreign visitors do .

这样的小惊喜，使中国顾客比任何国家的人消费得更多。