delta function的例句大全

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。

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。

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；

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 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

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。

Dirac Delta Function Via Nonstandard Analysis

用非标准分析表示Diracδ函数

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。

Function classification of several cities in the Yangtze Delta Based on SOFM neural network

基于SOFM人工神经网络的长江三角洲地区城市职能分类

Space debris delta-velocity probability density function was deduced by NASA's standard breakup model, and time integral algorithm of collision probability between spacecraft and any debris was built.

推导了基于NASA标准解体模型的碎片分离速度概率密度函数，建立了计算航天器与单颗碎片碰撞概率的时间积分算法。

at 2: 00 p. m. , on the same connection, query the monitoring data for the test. employee table using the get_table_delta table function.

在下午2点，在同一连接上，使用GET_TABLE_DELTA表函数查询TEST.EMPLOYEE表的监控数据。

then, we estimate technology stock of two provinces and one city in changjiang delta area, and we do the demonstration research on the technology spillover of two provinces and one city in changjiang delta area, by utilizing the c-d production function.

对长江三角洲地区两省一市的技术存量进行了测算，并运用广义的C-D生产函数对长三角地区两省一市的技术外溢进行了实证研究。

These erosion situations have deteriorated the developing function and economic exploitation environment of the modern Yellow River delta and have constituted a serious threat to the oil field shallow engineering and offshore installation.

冲刷蚀退已严重地恶化了黄河现代三角洲的发育功能和三角洲经济开发环境，对油田的滩海工程和海上设施造成了严重威胁。

An Application of Regularization Methods for Delta-Function Potential in Three-Dimensional Quantum Mechanics

正则化方法在三维δ函数势中的应用

In this study, α 2F(ω) is taken as the double delta-function spectrum and the spectrum parameters are permited to change over a wide range.

在这个研究中，a~2F（ω）被取为双δ函数谱，并允许其中的谱参数可以在很宽范围内改变。

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 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。

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

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