查询词典 harmonic analyzer

This paper presented a parameter estimation technique of polar tilt angle and azimuthal orientation angle of BAM images according to the variations of analyzer angles.

利用检偏角的变化，对布儒斯特显微镜图像像素点所代表分子簇的极化倾角和取向方位角进行了参数估计。

The measurement beam travel through the half circular polariscope and rotating analyzer to generate a measurement signal. As these two signals are guided into the lock-in amplifier, the phase retardation of the waveplate can be obtained.

由於锁相放大器所显示的相位延迟量在-180°~180°范围内，超出此范围则会产生误判，因此加入波长位移的技术，透过波长改变前后所产生的相位延迟量变化差值，可由此差值之正负号确定波板慢轴方向。

This thesis arms to develop a measurement system for detecting phase retardation, slow axis orientation, and optical path difference of a waveplate. The structure of the system includes three laser light source, a half circular polariscope, a rotating analyzer, an optical chopper and a lock-in amplifier.

中文摘要本论文用於量测双折射光学波板之相位延迟量、快慢轴方向、光程差与波板阶数，实验架构包含三种不同波长之雷射光源、半圆偏光仪系统、旋转分析板、光遮断器与锁相放大器所组成。

Both the polarizer and analyzer settings and the position of the prism can be varied.

偏振镜和分析器以及梭镜的位置均可变动。

USB portable multi-channel analyzer software on the PC can be achieved on the informat...

USB便携式多通道分析仪的PC端软件，可以实现对采集信息的频谱分析，并且获得频谱图以及相关数据，具有极高的价值。

USB portable multi-channel analyzer software on the PC can be achieved on the information collected spectrum analysis, given a spectrum of related data with a high value.

USB便携式多通道分析仪的PC端软件，可以实现对采集信息的频谱分析，并且获得频谱图以及相关数据，具有极高的价值。

This paper describes a portable blood pressure HOLTER system, which is composed of recorder and analyzer.

本文介绍了一种由记录器和分析器组成的血压HOLTER系统。

SEM, dynamic light scattering, zeta potential analyzer, ultraviolet spectrophotometer and antithrombogenicity are used to characterize the microcapsules.

采用荧光倒置显微镜、SEM、动态光散射仪、Zeta电位仪和抗凝血仪等进行表征。

Along with the swift development of IT,the appearance of the virtual spectrum analyzer with computer as core can solve above problem better,which is to guarantee the key of its measure quality in which the measure precis...

随着信息技术的迅猛发展，出现了以计算机为核心的虚拟频谱分析仪，可以较好地解决以上问题，其中提高虚拟频谱分析仪的测量精度是保证其测量质量的关键。

It is found that the current of oil flow electrification is maximum, minimal and intermediate in the case of pressboard paper, PTFE and metal iron respectively. Composition of new and aged oil is analyzed by DX-4 electron disperse analyzer.

通过固体材料表面特性对油流带电影响的研究，发现当固／液界面中的固体为绝缘纸板时，油流带电电流最大；当固体为聚四氟乙烯时，油流带电电流最小；当固体为金属铁板时，油流带电电流介于两者之间。

Aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales.

生活于水中或湿地的蕨类；从新生代生存至今；有时归于石松目之中。

The engine was uprated from a 90hp Franklin to a 125hp Lycoming.

改良过的引擎是从90hp到125hp莱康明富兰克林。