查询词典 concave function

Theoretical analysis demonstrates that the phase change caused by the shift of illuminated light is ignored in discussion before.In this study,this method is corrected by overlapping a phase factor and a new method is put forward to eliminate the effects of this factor by utilizing the phase characteristics of squared Bessel function.

理论分析发现，以往的讨论忽略了照明光之间位移引起的相位变化，研究通过叠加一个相位因子对此进行了修正，并利用贝塞尔函数平方的相位特点提出了消除该相位因子的办法。

A convenient procedure for drawing Bezier curves, after the selected point will be able to draw the corresponding Bessel function, while the location of the point can be adjusted to adjust the curve.

详细说明：一个方便绘出贝塞尔曲线的程序，选好点之后就能画出相应的贝塞尔函数，同时可以调整点的位置来调整曲线。

The derived equation for describing the transverse intensity distribution gives good approximation to the experimental result as well as the zero-order Bessel function.

模拟得到的光场分布与实验结果及基于菲涅尔衍射积分理论或空间光谱理论得到的零阶贝塞尔光束很接近。

According to the Navier-Stokes' equations and using themethod of Bessel function of imaginary argument,a system of foimulas is obxained.

从基本的Navier－Stokes方程出发，进行线性化之后采用虚宗量Bessel函数的方法求解，得出了一组描述血管振荡状态下发展流动的速度分布、压力分布公式。

By making use of the property that the zero-order Bessel function's derivative J′0(0)=0, the DQDHT can calculate the values on the symmetry axis directly.

通过利用零阶贝塞尔函数导数在零点处为零的特性，所提出的准离散汉克尔变换算法可以直接计算光束传输时对称轴上的值。

Therefore, it has significance to optimize the demodulation curve. By the use of expansion of Bessel function and optical field overlapping method, the relation between the demodulation curve and the resonant frequency deviation was analyzed.

利用贝塞尔函数展开和光波场叠加的方法分析了谐振式光纤陀螺调相检测系统解调输出信号与谐振频率偏差之间的关系，系统采用的是带有铌酸锂相位调制器的相位谱检测技术。

The relation of displacement of tympanic membrane to sound pressure was educed by using the Bessel function; subsequently the analytic solution was obtained.

并利用贝赛尔函数建立耳膜位移与声压的关系，得到耳膜位移的解析解。

Within this framework we develop a theoretical approach to interpret photoelectron angular distributions in terms of a generalized phase Bessel function which can determine the principal features of the distribution and its variation with laser frequency and intensity.

文章作者及其合作者发展了光电子角分布的处理方法，利用复合相位Bessel函数来表征光电子的跃迁几率幅，将光电子的角分布与复合相位Bessel函数直接联系起来。

The phase of the first kind zero-order Bessel function has binary values,zero and π,thus,the distribution of amplitude of vibration can be measured through the phase of reconstructed wave.

第一类零阶贝塞尔函数相位只有0和π两个取值，所以利用再现光场的相位可以确定振幅分布。

The biggest merit in this paper is its enormous programs. These programs are worked out for the calculation of anisoteopic propagation constant, imaginaries Bessel function etcl.

另外，本文在前人工作的基础上，对实际跨孔雷达偶极天线的特性进行了深入研究，得到了许多有价值的数据和图件。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48