应用天线理论中的电流分布法,首次推导了具有连续位相结构的反射式毫米波衍射天线的远场衍射图计算公式。
The far field diffractive pattern calculating formula for diffraction antenna with continuous phase structure is derived by current distribution method in antenna theory for the first time.
研究了变形体虚功原理的理论和建立方法,并将其用于建立接触问题有限元法计算公式。
The theory of virtual work principles of deformable bodies and the technique to derive their expressions are studied and applied to contact problems to build FEM formulas.
采用非饱和土强度理论和极限平衡法,得出考虑降雨入渗渗流力作用下的路基稳定性计算公式。
Based on the unsaturated soil strength theory and limit equilibrium method, this paper obtains the calculating formulae for the roadbed stability under the effect of seepage force of rain.
采用有限元法和增量电感公式对一种新型电极结构的电光调制器进行了理论分析和设计。
The characterization and design of LiNbOa optical modulators of novel electrode structures are discussed by using the finite-clement method (FEM) and the incremental inductance formula.
从理论上导出了离子选择性电极一次标准加入法测量结果的相对误差计算公式。
The calculating formula for the measuring relative error of standard addition method of ion selective electrode was obtained.
另外,根据试验结果,并利用塑性力学中的主应力法和材料硬化理论,推导了一个计算圆孔翻边力的新公式。
In addition, according to experimental results, slab method in plastic mechanics and material hardening theory, a new formula for hole flanging force is concluded.
以“梁”的理论为依据,确定房柱式采煤法的基本结构煤房和煤柱的参数及计算公式。
On the theory of "beam", the basic structure, parameters and formula for rooms & pillars have been educed.
首次采用梁的弯曲理论和能量法结合的方法推导了弯曲力和行程的理论解析公式。
It firstly derivates theoretical analysis formula of force and stroke by using beam bending theory and energy method.
然后对本课题的重点——公式法调价的诸因子,在理论与方法上进行了研究。
Then all the factors of price adjustment by formula measure, the keystone for the subject, were studied theoretically and methodically.
采用拱背非均布荷载作用模式,利用理论计算公式结合弹性匀质圆环法对某城市地铁区间隧道衬砌管片进行内力计算。
The paper introduces uneven load in the arch-back to calculate the internal force in the linking of an interval tunnel for a metro line by theoretical formula and elastic uniform rigidity ring model.
本文以其地质力学模型为背景,采用逼近法进行分析探讨,得出了符合实际的理论计算公式。
Based on the geological mechanical model, the paper USES approximate analysis method, reaching the actual theory calculation formula.
重点对高精度光学平面浮动连续抛光法从抛光运动学角度出发做了理论上的探讨与分析,进行了相应的公式推导。
We stress on analysing and discussing theory for continuous floating polish method from viewpoint of polishing kinematics and deduces relative formulas.
根据主闸阀结构特点,分别用有限元法和椭圆柱板壳理论公式计算了阀体的强度与刚度,并进行了分析对比,同时对闸板的刚度进行了校核。
According to the structural feature of parallel single disk gate valve, the strength and rigidity of body will be calculated with finite element method, and with cylindroid shell theory.
以四铰破坏为条件,推导引用逐次逼近法计算拱桥极限承载力的理论方法及计算公式。
Applying the step by step approximation, this paper deduces the theory and formulas of calculating the limit carrying capacity of arch bridge on the condition of four hinged destruction.
本文在力学模型的基础上,利用弹性理论的位移函数法导出了长壁采煤法采空区上方岩层及地表移动的函数表达式,同时给出了岩层及地表最大移动值的计算公式。
Based on the model of mechanics, some functional formulae of strata and surface movement above longwall mining goaf are derived by using the displacement method of theory of elasticity.
文章就几种应用热胀冷缩法进行安装和拆卸的实例进行分析,叙述其技术要点,找出其理论估算公式,为在施工前验证工程可行性提供了理论依据,有利于提高维修效率。
It narrates the main points of technique, finding out the theoretical estimate formula, providing the theoretical basis for the feasibility of the engineering test and promoting the repair efficiency.
根据转子动力学理论导出了预应力法计算转子动力学问题的公式,在相关的计算中,获得了初步的成功。
It is led the formulas about rotor dynamics problems on basis of prestress method from the theory. Authors have got success among the relative calculations.
利用最小势能原理、瑞利-利兹法以及相关的复合材料力学理论,推导出预浸料侧向屈曲半径公式。
The buckling radius was deduced by using the principle of minimum potential energy, Rayleigh-Ritz method and the relevant composite material mechanics.
介绍了利用非线性有限元法进行薄膜结构找形分析的相关理论和相应的有限元计算公式。
In this paper, the relative theory and its corresponding finite element calculation formula about the shape finding of membrane structure is introduced.
本文讨论了一种分析二步法彩虹全息的方法,用光波衍射理论详细推导出物体象与狭缝象的成象公式。
This paper discussed a method analyzing the two-step rainbow hologram. Based on the diffraction theorem of light wave, the imaging formulas of object image and slit image were derived in detail.
本文讨论了一种分析二步法彩虹全息的方法,用光波衍射理论详细推导出物体象与狭缝象的成象公式。
This paper discussed a method analyzing the two-step rainbow hologram. Based on the diffraction theorem of light wave, the imaging formulas of object image and slit image were derived in detail.
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