Under different uniform temperature field,the effects on spectral bandwidth and signal noise ratio(SNR) of the HSI due to the slit s width changing are deduced.

• 推导出在温度水平变化时,狭缝宽度尺寸的变化对超光谱成像仪光谱带宽与信噪比的影响,得到了超光谱成像仪狭缝的热光谱特性。