delta function

Analysis of the V/ F Function of the DELTA VFD-A Frequency Converter and its Application

台达VFD-A型变频器V/F函数分析及其应用

The increase of the area of the inner surface can be considered as Heaviside step function, its derivative is Dirac delta function.

内表面的增加可以用Heaviside阶梯函数来描述，它的微分为Dirac函数。

The calculation shows that the system point spread function is quite close to the Dirac delta function.

结果表明：系统的点扩散函数接近理想的δ函数；

Value evaluation on ecosystem function of wetland in Liaohe River Delta

基于遥感的辽河三角洲湿地生态系统服务价值评估

Taking the short pulse as an ideal delta function on time scale, we find that the radiation field pattern is just of the "pure" waveguide modes if the resonance frequency equals as integral times as radio frequency.

将短脉冲理想化为时间上的δ函数，可以发现当辐射频率正好等于用来调制电子束的射频的整数倍时，辐射模式表现为纯的波导本征模，此时辐射功率最强。

Dirac Delta Function Discrete Ordinate Method for a One-Speed Transport Equation with Anisotropic Scatterings

δ函数S N方法求解含各向异性散射输运方程的本征值问题

The quantum mechanics of a bound particle in the delta-function potential in three dimensions is studied with a discussion of its regularization and renormalization. Method: Lobectomy was carried out in 40 patients with thyroid adenoma or nodular goiter.

用正则化和重正化方法研究了一个处于三维δ函数势中的束缚态粒子的量子力学性质。

The effect of the delta-function generator on finite element calculations of current distributions on wire antennas is investigated by means of analysis of the current distribution on a cylindrical antenna.

本文以圆柱天线为计算对象，通过数值验证，分析研究δ-函数源对有限元计算线天线电流分布的影响。

The interpolation function has the Delta function property, so the essential boundary conditions can be simply imposed.

由于插值函数具有Delta函数特点，因此可以很方便地施加本质边界条件。

Based on Robinson's work, and two-phase calculus, the Dirac Delta function has been discussed in some detail.

本文运用两相微积分学，深入研究了狄拉克δ函数。

The PN code has a 'good' ambiguity auto-correlation function like Delta function and correlation flow measurement can avoid direct time counting.

伪随机码具有优良的双值自相关函数特性，其形状类似冲激函数，而相关测量避免了对微小时间的直接测量。

Dirac Delta Function Via Nonstandard Analysis

用非标准分析表示Diracδ函数