V2EX t-matrix

T-Matrix

释义 Definition

T-matrix(T矩阵):在散射理论与电磁/光学计算中常用的一种“过渡矩阵/转移矩阵”表示法,用一个矩阵把入射场的展开系数线性映射为散射场的展开系数,从而完整刻画某个粒子/物体在给定频率下的散射响应(常见于非球形粒子的光散射计算)。 (en.wikipedia.org)

注:不同学科里也可能把其他“转移矩阵”简称为 T-matrix,但最常见、最经典的用法指上述散射问题中的 transition/transfer matrix。 (en.wikipedia.org)

发音 Pronunciation

/ti metrks/

例句 Examples

The T-matrix helps us compute how a particle scatters light.
T 矩阵帮助我们计算粒子如何散射光。

Using the T-matrix method, the researchers modeled electromagnetic scattering by randomly oriented nonspherical particles and compared the results with measuremnts.
研究人员使用 T 矩阵方法对随机取向的非球形粒子的电磁散射进行建模,并将结果与实测数据进行比较。

词源 Etymology

“T-matrix”里的 T 通常被解释为 transition(过渡)transfer(转移):强调它描述“从入射到散射”的线性关系。该术语在电磁散射的矩阵化表述中被系统化使用,并与 EBCM(extended boundary condition method,扩展边界条件法)null-field method(零场法)等名称相关联。 (en.wikipedia.org)

相关词 Related Words

文学与著作中的用例 Notable Works

  • Matrix formulation of electromagnetic scattering(P. C. Waterman;提出并发展与 T 矩阵相关的电磁散射矩阵表述) (en.wikipedia.org)
  • Scattering, Absorption, and Emission of Light by Small Particles(Mishchenko, Travis & Lacis;系统讨论小粒子光学性质与 T-matrix 计算) (en.wikipedia.org)
  • Polarimetric Doppler Weather Radar: Principles and Applications 第 3 章 T-matrix method(将 T-matrix 方法用于雷达气象散射问题的综述性介绍) (cambridge.org)
  • “T-matrix computations of light scattering by nonspherical particles: A review”(JQSRT 综述论文;总结非球形粒子 T 矩阵计算进展) (en.wikipedia.org)
  • “On the T-matrix for thermo-visco-elastic scattering”(QJMAM;将 T-matrix 思想推广到热-粘-弹性介质散射) (academic.oup.com)
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