1) wavelength modulation and harmonic detection
波长调制和谐波探测技术
1.
The F1,F2 absorption double lines, which is composed of two lines 6MHz apart, was high sensitively detected by use of the wavelength modulation and harmonic detection techniques.
利用波长调制和谐波探测技术对频率位于6105。
2) harmonics detection method
谐波探测技术
4) wavelength selection and tuning
波长选择和调谐
5) harmonic detection
谐波探测
1.
This article describes the design and testing of a laboratory prototype single diode laser system for remote detection of methane gas using harmonic detection.
提出了一种利用单一可调谐外腔二极管激光 (ECDL)及谐波探测技术对甲烷进行现场、实时遥感探测方案。
2.
Based on the wavelength modulation spectroscopy and harmonic detection technology,detection of the gas concentration is achieved by taking use of modulated light source,and smoke concentration measured by obscuration coefficient is detected by laser detection method.
基于波长调制光谱和谐波探测技术,利用光源调制实现了气体浓度的谐波检测;采用激光烟浓度检测方法,测得减光系数,以表征烟雾浓度。
3.
By use of the numerical analysis,we also get the relationships of the modulation index and mo dulation broaden with high-harmonic detection.
在对激光器采用电压调制的情况下进行了 Cs原子 D2 线中 6S1/ 2 ( F=4)→ 6P3 / 2 ( F′=5 )电子跃迁反射光谱的二次、四次和六次谐波探测 ,并通过数值分析得到了低压气体在谐波探测下调制展宽与调制系数的关系 ,实验结果与理论分析吻合较好。
6) wavelength modulated photoacoustic spectroscopy
波长调制光声光谱技术
补充资料：波长调制
分子式：
CAS号：
性质：某波长的光通过原子化器和单色仪后，使其信号发生周期性的脉冲变化。再将检测系统的交流放大器调谐到此调制频率(或波长)。这样就可从噪声信号中将所需信号分辨出来。
CAS号：
性质：某波长的光通过原子化器和单色仪后，使其信号发生周期性的脉冲变化。再将检测系统的交流放大器调谐到此调制频率(或波长)。这样就可从噪声信号中将所需信号分辨出来。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条