逐线积分辐射传输模式(LBLRTM)是国际上公认的精确辐射传输算法，它高分辨率、高精度地计算大气光谱透过率、大气辐射量和大气加热率。
The line-by-line radiative transfer model (LBLRTM) is an accurate software for the application of radiative transfer. It can calculate the atmosphere spectral transmittance, radiance and cooling rate.
利用高斯数值积分方法，推导了方形活塞辐射阻抗的三重积分表达式，计算了方形活塞声源的辐射阻抗。
Triple integral expression of the radiation impedance of square piston is deduced and the numerical results of the radiation impedance are calculated with the method of Gaussian numerical integral.
边界元法应用于计算辐射声场时，由于奇异积分的存在，会影响到计算结果的精度。
The singular integration will affect the precision of the result while the Boundary Element Method (BEM) is used in calculating sound radiation.
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