由于仪器函数的自身线宽及其周期性的加宽作用结果，导致透射函数的半峰值线宽受到加宽，可见度下降。
The full width of transmission function at half maximum is broadened and the visibility is reduced because of the instrumental linewidth and the periodicity of transmission function.
结果表明该滤波器的透射光谱是余弦函数调制后的光纤光栅反射光谱。
It was found that the transmission spectrum of the filter is the cosine function modulated reflection spectrum of the fiber grating.
在测量范围内可以产生单色辐射光学系统的分光光度计也可以使用。通常光谱是透光度（透射光强度与入射光强度之商）的函数。
Normally the spectrum is given as a function of transmittance, the quotient of the intensity of the transmitted radiation and the incident radiation.
它包括使用两个复数透光片，其中一个振幅透射率等于该系统的相干脉冲响应函数，另一则为其共轭复数。
The amplitude transmittance of one of them is assumod to be the same function as the coherent impulse response of the system, and that of the other being complex conjugate of the former.
同时，由透射光场的格林函数积分得出了基尔霍夫近似下光场的表达式。
We also obtain the expression for the transmissive light waves from the Green 's-function integral in the case of Kirchhoff's approximation.
利用标量辐射传输理论，计算了云层对光波的反射与透射，给出了云层的平面反照率和双向反射函数；
The scattering and reflection of light by clouds are studied by scalar radiative transfer theory. The plane albedos and bidirectional reflectance of clouds are given.
推导了多层介质中透射电磁波的电场振幅与介质表面入射电磁波电场振幅之间的关系式，引入了一个母函数，通过微分可以生成介质各层中的透射波。
In this paper the relations between the amplitudes of electromagnetic waves propagating in multilayer media and those of incident waves on surface are deduced.
推导了多层介质中透射电磁波的电场振幅与介质表面入射电磁波电场振幅之间的关系式，引入了一个母函数，通过微分可以生成介质各层中的透射波。
In this paper the relations between the amplitudes of electromagnetic waves propagating in multilayer media and those of incident waves on surface are deduced.
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