孔径函数 meaning in English

aperture function

Effect analysis of integral time on aperture function of push - broom imaging system
推扫成像中积分时间对孔径函数的影响分析
The quantitative expression for speckle correlation function is formulated , in which the scattered intensity profile reciprocated on the surface plane acts as the aperture function in van cittert - zernike theorem
我们首先得出了散斑相关函数的定量表达式，该式表明散斑相关函数实际上是在vancittert - zernike定理中等效地将散射轮廓函数反演到散射体平面内作为散射孔径函数的结果。