查询词典 kirchhoff

Based on definition of strain energy function,increment formula of stationary potential energy of finite displacement theory were derived in terms of Kirchhoff stress tensor and Green strain tensor.

基于有限位移理论应变能密度函数的定义，利用Kirchhoff 应力张量和Green应变张量，推出了非线性分析中增量形式的势能驻值公式，并证明了由势能增量驻值原理得到的增量平衡方程形式与由虚位移原理所得的结果完全一致。

Test on the 2D SIGSBEE synthetic dataset demonstrate the superior subsalt imaging capabilities of the algorithm compared to Kirchhoff migrations and resulted in a migration speed of 30 times faster.

以SIGSBEE二维人工数据为例，将快速射线束偏移方法与Kirchhoff成像方法进行了对比，结果表明：采用快速射线束偏移方法能生成质量更高的图像，尤其是盐丘下的构造成像，其速度比Kirchhoff偏移快数十倍。

Electromagnetic field theory,lumped-element circuit theoy and distributed circuit theory,based on maxwell′s equations,kirchhoff's laws,telegrapher's equation respectively,are the main methods to analyze electromagnetic problems.

0引言电磁场问题的"场"理论是基于Maxwell方程组的理论分析途径，这种分析方法归结为电磁场边值问题地求解，通常比较复杂而繁琐，原则上可以用来处理几乎所有得宏观电磁场问题。

Frank Kirchhoff and Michael Schindler, of the University of Ulm, in Germany, and their colleagues have been looking into why that is.

德国乌尔姆大学的弗兰克、迈克尔和他们的同事一直以来都在调查其原因。

Employing scattering modes of Kirchhoff approximation and two-scale randomly rough surface in active remoter sensing and physical definition about emissivity in passive remote sensing , the relations of between backscattering cross , effective emissivity and polarization , incident angle , wind speed and whitecap-covered percentage are calculated and show the degree of whitecap affect microwave remote sensing.

在主动遥感方面采用KA模式和双尺度随机粗糙面散射理论模式，在被动遥感方面利用发射率的定义得到有效热发射比，在本文的模型下计算了热发射比以及极化状态的后向散射系数与极化方式、入射角、风速、白冠覆盖率等各参量间的关系，讨论了白冠层的存在对微波遥感模式的影响程度。

The concept that each strand was represented by a Super-Helix was presented to solve the nonlinear behavior of hair strands with respect to bending and twisting, based on the Kirchhoff equations for dynamic, inextensible elastic rods.

基于动态的、不可伸展弹性杆的基尔霍夫方程，提出采用超螺旋线表示头发股来解决头发股的弯曲和挠曲的非线性行为。

Ray-Kirchhoff propagators are kinematically acceptable in the range of seismic frequencies for heterogeneous media, but theoretically suffer congenital deficiencies.

Ray-Kirchhoff传播算子较为精确地描述了波在非均匀介质中传播的运动学特征，其理论上的先天不足依赖于介质的复杂性。

The symbolic expression, which based on integral solution give the equation of asymmetric traveltime, have great significance on focusing capability of Kirchhoff integral method.

基于积分解的象征表达式给出了非对称走时公式，对改善Kirchhoff积分的聚焦性能有重要意义。

In chapter 5, bounds for the Kirchhoff index of plane graphs especially Fullerene graphs are obtained.

在第五章中，我们得到了平面图，特别是Fullerene图的Kirchhoff指标的界。

A 4-node Kirchhoff plate-bending element with distributed collated piezoelectric wafers is formulated. Thus the finite element model of the coupled plate is established.

推导了二维四节点离散克希霍夫压电单元，建立了压电耦合板的有限元模型。

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。