The sizes of focal spot and detectoraperture are the factors affecting ct image quality.
射线源焦点及探测器孔径大小是导致CT图象降质的主要因素。
2
The effect of integral time on aperture function in linear detector push-broom imaging system is analyzed.
分析了线列推扫成像中，积分时间对采样孔径函数的影响。
3
As an active detector, Synthetic Aperture Radar (SAR) which provides high-resolution images in all-weather, all day and all night is widely used in military reconnaissance and civil field.