luminous flux

A simple and direct measurement for luminous flux and light efficiency

电光源光通量及光效的简捷测定

Development of Testing System On luminous Flux of Vehicle lamp

汽车车灯光通量测试系统的研制

Study of Infrared Spectral Determination of Low Luminous Flux

红外光谱中低光能通量光谱测量方法研究

They create a uniform value of luminous flux due to the high frequency used .

由于使用高频，电子镇流器产生均匀的光通值。

A measure of luminous flux per unit area .

测量单位面积光通量的单位。

A New Method of Realizing the Total Luminous Flux Scale by a Integrating Sphere

一种用积分球实现总光通量标的新方法

Study on LED ′ S luminous flux measurement using a compound parabolic concentrator

基于复合抛物面收集器的LED光通量测量的研究

The theoretical formulas of luminous flux and photon rate are derived .

文中导出了光通量与光子速率的理论计算公式；

Location deviation analysis and principle of luminous flux compensation for the cone prism

圆台棱镜定位偏差分析及光通量补偿原理

Luminous flux , color temperature and color rendering property are the three main index in light source .

光通量、色温和显色性是光源的三大重要指标。

Among the many technical indexes of LED , the total luminous flux is one of the most important .

在LED的诸多技术指标中，总光通量是其中最重要者之一。

A Measuring Precision Analyses on Luminous Flux by Integrating Photometer

用积分光度计测量光通量的精度分析

The scattering luminous flux calculation of off-axis spherical particle to Gauss beam

离轴球形粒子对高斯波束的散射光通量的计算

The Analysis of Fluorescent Lamp Luminous Flux Fluctuation

荧光灯光通量波动分析

By improving the optical encapsulation , the luminous flux of LED can be improved greatly .

经过光学封装技术的改善，可以大幅度地提高大功率LED灯串的出光率（光通量）。

A New Design for Realizing the Absolute Determination of Luminous Flux Standard and Accurate Measurements of High Luminous Flux

实现光通量绝对测量和大光通量精密测试的新设计

This paper studies on the real-time measurement of chroma , luminous flux and optical medium based on spectrum measurement technique .

本硕士论文基于电子扫描光谱快速测量技术的对其色度、光通量、薄膜特性测量技术进行了讨论和研究。

The basic concepts , measurment methods and mutual relationship of radiant flux and luminous flux are discussed .

讨论了辐射通量和光通量的基本概念、测量方法及相互之间的关系。

Self-absorption Effect and its Correction with Integrating Spheres to Measuring LEDs Luminous Flux

LED光通量测量中的自吸收效应及校正

The calculational methods of luminous flux 、 intensity and illumination in luminaire design are presented .

给出了灯具设计中光通量、光强和照度的计算方法；

The measurement of the luminous flux of UHP ( Ultra High Power ) light source is described in this paper .

本论文研究超高压汞灯&UHP灯的光通量测量方法。

The lighting effect rate are higher , Ra are very well , similar The Sunshine and long life , High Luminous Flux .

特点：发光效率高，显色性好，近似于日光，寿命长，光通量高。

It is helpful to reducing the uncertainty of measuring LEDs luminous flux with integrating spheres .

自吸收效应的校正有助于降低用积分球测量光通量的不确定度。

By applying the presented approach , the positioning accuracy of the existing system can be significantly improved to obtain the theoretical maximum luminous flux .

这种方法可以显著提高现有系统的定位精度，获得理论最大的光通量。

Disclosed is a measurement system of LED instant luminous flux driven by PWM , which belongs to the field of measurement .

一种PWM驱动方式下LED瞬时光通量的测试系统，属测量领域。

We conducted a series of performance tests ( including power , luminous flux , luminous efficiency and circuit efficiency ) and EMC test .

分别对这两组驱动电路，从电路性能（包括功率、光通量、发光效率和电路效率）和EMC性能等方面进行了测试比较，得出较为合理的设计方案。

The paper pointed out the pathogeny which affect people 's health , analyzed the relationship between luminous flux and particle size for single particle .

文中指出了影响人体健康的致病因子，分析了单个微粒的光通量和粒径之间的关系。

With the continuous development of LED industry , an accurate measurement on the total luminous flux of LED has been put on the agenda .

随着LED产业的不断发展，对LED总光通量的准确测量也提到了越来越重要的议事日程上来了。

The optimized recognition result is obtained in the consideration of length of optical channel , incident optical luminous flux and coefficient of optical absorbability .

该系统在综合考虑光通道的有效长度、入射光通量、光吸收系数后，将获得最佳的识别结果。

The brightness or luminance of an object is defined as the luminous flux emitted per unit area of the object into unit solid angle .

物体的亮度或发光率定义为物体面积发射到单位立体角内的光通量。