In this paper, key problems in shunt APF close-loop controller design such as delay-oriented stability problem are discussed, and characteristics of RDFT selective filters are investigated.
在讨论了延时稳定性等并联型有源电力滤波器闭环控制算法设计的关键技术基础上,扩展了RDFT(Real Discrete Fourier Transform)组合选频滤波器并证明了其数学性质,提出了基于此算法与重复控制原理的闭环无差控制算法。
Photorejuveantion technology and the relative filter;
光子嫩肤技术及相关滤光片
Integrated filter array fabricated by using the combinatorial deposition technique;
组合镀膜法制备集成滤光片列阵
Striation Filter and its Optimization Method;
条纹式滤光片及其优化方法
optically flat filter
光平面滤光片;光学扁平滤光器;光学平面滤光片
filter type flame photometer
滤光片式火焰光度计
optical interference filter, unmounted
光学干涉滤光片,未装配
optical colour filter, mounted
光学彩色滤光片,已装配
filter type gas analyzer
滤光片式气体分析仪
ge wavelength of edge filter
截止滤光片的截止波长
circular variable wavelength filter
圆形波长可变滤光片
neutral density filter
中性密度滤光片简称
color printing filter = CP filter
﹝放彩色相的﹞矫色滤光片
skylight filter
天光滤片，走最弱的色温滤光片，包括1A及1B
CP filter = color printing filter
矫色滤光片，放彩色相片之用
Study on Linear Tuning Filters Based on Interference Thin Film Filters;
基于薄膜干涉滤光片的线性调谐光滤波器研究
narrow-cut filter
纯色滤光片﹝例如分色用的滤光片，只透极窄的指定光波﹞
optical colour filter, unmounted
光学彩色过滤光片,未装配
close-up filter
近摄滤光片，由+1至+10屈光度
Numerical Analysis of Optical Characteristic of Liquid Lyot Crystals Filters
液晶利奥滤光片光学特性的数值分析
light balancing filter
调整色温滤光片﹝色温滤光片之一，用于调整小量差异色温，例如81 及82滤光片系列﹞
Ocean Optics cuvette holders can accommodate both single-filter and double-filter slide carriers.
我们的试管支架对单滤光片幻灯机和双滤光片幻灯机都适合。