积分核 meaning in English
integral kernel
Examples
- This dissertation introduces a regularization algorithm to tackle the problems of the nearly singular integrals . in the algorithm , the singular factor is removed from the kernel functions in the singular integrals by means of integration by parts
该算法通过对积分核进行一系列的分部积分，将引起几乎奇异积分的因子变换到积分号之外，从而可以克服几乎奇异积分的困难。 - The fipwa based on electric integral equation ( efie ) is presented firstly , the green ’ s function expansion with sommerfeld identity ( based on bessel kernel ) is studied and the msdp for two cases is formulated . in order to improve the iteration property and avoid inner resonance , the combined field integral equation ( cfie ) fipwa is then constructed successfully
首先研究了基于电场积分方程的快速非均匀平面波算法,对索末菲恒等式(基于贝塞尔积分核)展开的格林函数进行了深入研究,分两种情形解决了修正最陡下降路径的设计问题。 - Since complicated differential and integral operations were involved in the kernel of the integral equation , we simplified the equation and got the nakano equation . as instances , the planar archimedean spiral antenna , the planar equiangular spiral antenna , the monofilar helical antenna , the conical helical antenna with fixed ascending angle and the conical equiangular - spiral antenna were analyzed through the moment method . all of the results matched fairly well with the references and experiment results
这种方法的积分方程的积分核里含有复杂的微积分运算，为了简化计算，本文在推广的海伦积分方程的基础上，对方程进行了简化，推导了nakano方程，并以平面阿基米德螺旋天线，平面等角螺旋天线，轴向模圆柱螺旋天线，具有固定升角的圆锥螺旋天线和圆锥等角螺旋天线为例，用矩量法求解了天线上的电流分布，研究了螺旋天线辐射的宽频带特性，所得的结果均与参考文献吻合很好。