The power inequalities for the numerical radius are given.
得到了关于数值半径幂的不等式。
According to the results of numerical calculation, the proximate formula of estimating radius of the beam was developed.
根据数值计算结果,提出一个计算束半径的近似公式。
Numerical results show that we choose a suitable initial adaptive trust region radius at each iteration so as to reduce the number of iterations, function and gradient evaluations.
数值试验结果表明,我们改进后的信赖域半径使算法在迭代过程中十分有效,不但减少了迭代次数还减少了函数和梯度的赋值。
Numerical simulations reveal that different inserted time, amplitude and width of pulse signal will influence maximum radius and collapse velocity of bubble.
脉冲加入的时间、脉冲幅度和宽度影响气泡最大半径和气泡崩溃速率。
By numerical calculation, the steady ambient radius together with its dependency on the driving pressure is obtained.
通过数值计算,获得稳定平衡半径,以及它与驱动声压的相关性。
The effects of delamination depth and radius on buckling and post-buckling of the laminated circular plates are discussed. Numerical results are compared with available data.
讨论了不同脱层深度和脱层半径对层合圆板的屈曲及后屈曲特性影响,且与有关文献的结果进行了比较。
In numerical control system, cutter radius compensation always USES a straight transition method.
在数控系统中刀具半径补偿的方法常采用直线过渡。
Using the binomial fitting method in MATLAB to program numerical calculation program, the analytical formulations between feed speed, width-radius ratio and width spread ratio were deduced.
使用MATLAB编写了数值计算程序,采用二项式拟合的数值方法,总结归纳出了进给速度和宽径比与宽展率之间的解析公式。
Cutter radius offset orders in numerical control (NC) milling manufacturing procedure are expounded and cutter radius offset procedure is analyzed.
阐述了数控铣削加工过程中的刀具半径补偿指令和刀具半径补偿过程。
The numerical calculation results show that the gas velocities increase with the reduction of curvature and the length of laval nozzle decreases with the increase of the radius of curvature.
数值计算表明,气体速度随入口段曲率半径的增大而增大,拉伐尔喷嘴和长度则随曲率半径的增大而减小。
The numerical results show, with the decreasing radius of the quantum wires, the ground state energies and the first excited state energies increase mononically.
数值计算结果表明:当量子线截面半径减小时,基态和第一激发态能量都将单调增加。
This paper presents a formula of the permissible radius of curvature for bent optical fibers. The numerical calculation essentially agrees with the experimental results.
本文导出了光纤波导的允许曲率半径计算公式。实验表明,理论计算和试验结果基本上是一致的。
The numerical model used to calculate steam impregnation radius and rheological parameter of heated oil bearing formation through the data of build up well testing during shut in is a new technique.
利用焖井恢复试井资料,计算蒸汽浸渍半径及受热油层流变参数的数学模型,是一种较新的技术。
The paper describes the evaluation method for the radius of plastic region by numerical solving through Kastner formula instead of evaluation by discount.
本文叙述了家竹箐隧道不用折扣取值而用数解法通过卡斯特纳公式求解塑性区半径的方法。
When numerical control of machine tool is operated, if the cutter radius compensation is applied inappropriately, the phenomenon of over-cutting will appear.
数控机床在使用刀具半径补偿时,如果使用不当,将会出现过切现象。
The numerical results show that the value of the resonant modes of the photonic crystal can be modulated by changing the radius and dielectric constant.
结果表明通过改变缺陷的半径和介电常量大小可以在光子晶体禁带中一定的范围内调节缺陷模式的共振频率大小。
A large number of numerical tests are performed on the breakwaters with different porosities and different block radius.
对不同孔隙率、不同块体粒径的抛石防波堤进行了大量的计算。
The numerical results show that the energy levels of electron are sensitively dependent on the radius of the quantum ring and a minimum exists on account of the parabolic confinement potential.
数值计算结果显示,电子能级敏感地依赖于量子环半径,能级存在极小值,这是由于限制势采用抛物势的结果。
The numerical results show that the errors in radius and across-track are less than 0.1 m, and that in along-track less than 1 m.
数值结果表明:用本方法测轨,向径、垂迹方向误差小于0.1米,沿迹方向误差小于1米。
Solutions such as decreasing the tool's curvature radius, using means of single dimensional numerical control compensation or profiling with a hollow cone are effective.
解决方法是减小工具的曲率半径,或增加一维数控进行补偿,或使用空心圆锥体仿形。
In the light of the fact of crack growth problems, supplement based on the dynamic influential radius method is proposed in this paper. Results of numerical examples demonstrate t...
针对裂纹扩展中的实际情况,对动态影响半径法作了进一步的补充和改进。算例验证了方法的正确性和有效性。
The numerical results indicate: The bigger the errors of the radius of columns and the lattice constant are, the worse the transmission properties of photonic crystals are.
由于误差的存在 ,光子晶体点缺陷所形成的微腔的共振频率位置与理想情况发生了漂移 ;
The numerical results indicate: The bigger the errors of the radius of columns and the lattice constant are, the worse the transmission properties of photonic crystals are.
由于误差的存在 ,光子晶体点缺陷所形成的微腔的共振频率位置与理想情况发生了漂移 ;
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