The slit scanning is required to obtain two-dimensional spectral imaging.
为了得到像斑的二维光谱，需要做狭缝扫描。
The theoretical analyses show that the phenomena of drastic spectral changes were also found in Fraunhofer diffraction of a circular aperture and Young's double-slit interference experiments.
理论研究表明，在经过圆形光阑的夫琅和费衍射实验和杨氏双缝干涉实验中，衍射光场的归一化光谱都发生了剧烈的变化。
According to the structure of instrument, the influence of the slit width on spectral line is discussed, the relative measurement error of instrument is also analyzed.
根据仪器结构讨论了狭缝对谱线的影响，给出了狭缝宽度和谱线宽度的对应关系，并对仪器谱面上的相对测量误差进行了分析。
Starting from the propagation law of partially coherent light, spectral changes in Young′s two-slit experiment with Schell model beams are studied.
从部分相干光的传输定律出发，研究了杨氏双缝实验远场的光谱变化。
Starting from the propagation law of partially coherent light, spectral changes in Young′s two-slit experiment with Schell model beams are studied.
从部分相干光的传输定律出发，研究了杨氏双缝实验远场的光谱变化。
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