1) Second harmonic signal
二次谐波信号
1.
The gas concentration calculated from second harmonic signal would be affected by the variety of linewidth induced by different gas parameters during the measurement by wavelength modulation absorption spectrometry using tunable diode laser.
在利用可调谐激光调制吸收光谱技术进行测量时,气体参量改变将导致线宽变化,从而影响二次谐波信号峰值的大小。
2) high harmonic signal
高次谐波信号
1.
In addition,power system high harmonic signal are introduced,the high harmonic signal simulation results are also given,showing that the method in dealing with the high harmonic signal has better prospects.
选用电力系统的谐波测量数据,给出了该算法谐波分析的仿真结果,并与傅立叶算法和改进的神经网络算法的计算结果进行了比较,还选用电力系统的高次谐波信号数据,并给出了高次谐波分析仿真结果,表明该算法在处理高次谐波信号方面具有较好的应用前景。
3) secondary effect,second harmonic,secondary harmonic
二次谐波(电信)
5) second harmonic
二次谐波
1.
Ultrasonic nondestructive evaluation on bond quality of SRM interface based on second harmonic technique;
基于二次谐波技术的固体火箭发动机界面粘接质量的超声无损评价
2.
Theoretical and experimental research on the second harmonic of focused ultrasound in layered biological media;
聚焦超声波在层状生物媒质中的二次谐波声场的理论与实验研究
3.
Idler second harmonic generation in femtosecond BBO optical parametric amplification;
飞秒BBO光参量放大中闲频光二次谐波的产生
6) Second Harmonic Generation
二次谐波
1.
Fibrillar collagen(Collagen typeⅠand Ⅲ) in sinusoids of normal liver was successfully observed through second harmonic generation(SHG) microscopy.
方法:分别用前向二次谐波(SGH)及背向双光子荧光(TPEF)对肝脏标本的成纤维胶原(Ⅰ/Ⅲ)和肝细胞浆进行成像,将结果与传统的Masson’s三染色法进行比较。
2.
Since the second harmonic generation (SHG) signal is highly sensitive to the sym.
二次谐波成像是近年发展起来的一种三维光学成像技术,具有非线性光学成像所特有的高空间分辨率和高成像深度,可避免双光子荧光成像中的荧光漂白效应,是一种理想的非侵入生物活体成像方法。
3.
A new technique based on the second harmonic generation of the nonlinear optic effect for the measurement of the vector character of electric fields and the detection of freely propagating terahertz radiation is introduced.
利用非线性光学效应的二次谐波测定电场矢量以及THz电磁辐射场的新技术的方法,其有效性强,应用前景广阔。
补充资料:二次谐波交流极谱法
分子式:
CAS号:
性质:由于法拉第电流的非线性性质,它含有基波频率外,还有频率为基波频率,n次倍的n次谐波电流;而充电电流则为线性的,只有基波频率电流。如果只测量通过电解池的高次谐波电流,则可消除充电电流成分,提高法拉第电流对充电电流之比,即信噪比二次谐波交流极谱法测量的是通过电解池的二倍于基波频率的电流。这时充电电流已消除,因而提高了测定的灵敏度。
CAS号:
性质:由于法拉第电流的非线性性质,它含有基波频率外,还有频率为基波频率,n次倍的n次谐波电流;而充电电流则为线性的,只有基波频率电流。如果只测量通过电解池的高次谐波电流,则可消除充电电流成分,提高法拉第电流对充电电流之比,即信噪比二次谐波交流极谱法测量的是通过电解池的二倍于基波频率的电流。这时充电电流已消除,因而提高了测定的灵敏度。
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