通过对掺铒光纤放大自发辐射谱特性和LD驱动电路的分析，最终研制出用于光纤光栅传感系统的宽带光源。
We prepared broadband source of transducer system in fiber grating by analyzing characteristics of amplification spontaneous radiation spectrum and LD drive in erbium doped fiber.
试图通过试验，研究从林火点火源的红外辐射谱特性确定火焰性质的方法。
Provide some significant experimental results for determining some properties of igniting fire sources in wildland fire from their infrared radiation characteristic spectrum.
利用OMA谱仪及三台单色谱仪研究了爆炸激波管中铝粉在氢氧爆轰激励下快速反应的发射谱及辐射特性。
The emission spectra and radiation behaviour of aluminium powder driven by hydro oxygen detonation in explosion shock tube are studied by OMA spectrograph and three monochromaters.
从上能级向两边下能级辐射的自发辐射谱中产生了三个超窄谱线，且在很大参数范围内光谱具有这一特性。
There are three ultra narrow spectral lines in the spontaneous emission spectra from upper level to lower lying levels of the two emission channels, which occur over a wide range of the parameters.
这种特性与将在下节介绍的测高温辐射的强度谱有惊人的相似之处。
This behaviour strikingly resembles that recorded in the pyrometric radiation intensity profiles, which will be presented in the following section.
这种特性与将在下节介绍的测高温辐射的强度谱有惊人的相似之处。
This behaviour strikingly resembles that recorded in the pyrometric radiation intensity profiles, which will be presented in the following section.
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