1) 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。
2) harmonic source detecting
谐波源探测
3) second harmonic detection
二次谐波探测
1.
With the combination of TDLAS and the open-path multi-pass Herriot cell,using second harmonic detection and the auto-balanced detection with wavelength modulation respec- tively,the CO concentration of flame of alcohol blowtorch is measured.
TDLAS技术与开放式的多次反射池相结合,分别利用二次谐波探测方法和自平衡加波长调制的新型检测方法,测量了酒精喷灯火焰的CO浓度。
4) harmonics detection method
谐波探测技术
5) resonance search
谐振探测
6) harmonic detection
谐波检测
1.
Analysis and design of anti-aliasing filter for the electric network harmonic detection;
电网谐波检测抗混叠滤波器的分析与设计
2.
Fast wavelet transform harmonic detection method based on SRFFT algorithm;
基于SRFFT算法的快速小波变换谐波检测法
3.
Application of RBF neural networks in harmonic detection;
RBF神经网络在谐波检测中的应用
补充资料：核爆炸地震波探测(见核爆炸探测)
核爆炸地震波探测(见核爆炸探测)
nuclear explosion seismic detection
hebaozho dizhenbo tanee核爆炸地震波探测(nuclear explos，onseismie detecuon)见核爆炸探汉，l。
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