1) sinusoidal phase modulation
正弦相位调制
1.
A Fourier-domain optical coherence tomography based on sinusoidal phase modulation is presented.
提出一种基于正弦相位调制的频域光学相干层析成像,利用正弦相位调制干涉术探测复频域干涉条纹的实部和虚部,重建复频域干涉条纹。
2.
In a Fizeau interferometer using sinusoidal phase modulation technique, the variation of interference intensity with optical path difference (OPD) does not follow a rigorous cosine behaviour any more.
在利用正弦相位调制菲佐干涉仪进行测量时,由于菲佐板及待测物体表面对入射光的多次反射而产生多光束干涉,干涉信号的强度随相位变化不是严格的余弦分布。
2) sinusoidal phase modulating
正弦相位调制
1.
In the sinusoidal phase modulating(SPM) interferometer technology for surface profile measurement,the high speed charge coupled device(CCD) of frame frequency greater than 300 frame/s is necessary to detect the interference signals,and the relationship between CCD′s frame frequency and modulating frequency is needed to be integer multiple.
正弦相位调制(SPM)干涉测量技术用于表面形貌测量时,需要帧速高于300 frame/s的图像传感器,同时要求调制信号频率与图像传感器帧速成确定的整数倍关系。
2.
A novel sinusoidal phase modulating laser diode interferometer based on slowly varying approximation is proposed and demostrated.
提出并在实验上实现了一种以慢变化近似为基础的新型正弦相位调制半导体激光(SPM-LD)干涉仪。
3) sinusoidal phase-modulating
正弦相位调制
1.
In a laser-diode(LD) sinusoidal phase-modulating(SPM) interferometer,the wavelength of the LD is modulated by varying its injection current,but at the same time the intensity of the LD is modulated too,which causes a major measurement error.
在激光二极管(LD)正弦相位调制(LD-SPM)干涉仪中,通过注入电流调制激光二极管波长的同时,光源输出的光强也被调制,成为测量误差的主要来源之一。
4) Sinusoidal phase-modulation
正弦相位调制
1.
Movement of a surface profile is measured with a two-grating interferometer using sinusoidal phase-modulation.
利用正弦相位调制的光栅干涉仪测量振动物体的面形,采集振动物体引起相位变化的干涉条纹,经傅里叶变换解调相位,重建振动物体的面形。
5) sinusoidal phase modulation(SPM)
正弦相位调制(SPM)
补充资料:相位(见正弦电流)
相位(见正弦电流)
phase
Xlongw引相 位(P hase)见正拭电流
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