欢迎访问ic37.com |
会员登录 免费注册
发布采购

HPWA-MXOO 参数 Datasheet PDF下载

HPWA-MXOO图片预览
型号: HPWA-MXOO
PDF下载: 下载PDF文件 查看货源
内容描述: 二次光学设计考虑食人鱼LED灯 [Secondary Optics Design Considerations for SuperFlux LEDs]
分类和应用:
文件页数/大小: 23 页 / 2140 K
品牌: LUMILEDS [ LUMILEDS LIGHTING COMPANY ]
 浏览型号HPWA-MXOO的Datasheet PDF文件第15页浏览型号HPWA-MXOO的Datasheet PDF文件第16页浏览型号HPWA-MXOO的Datasheet PDF文件第17页浏览型号HPWA-MXOO的Datasheet PDF文件第18页浏览型号HPWA-MXOO的Datasheet PDF文件第19页浏览型号HPWA-MXOO的Datasheet PDF文件第20页浏览型号HPWA-MXOO的Datasheet PDF文件第21页浏览型号HPWA-MXOO的Datasheet PDF文件第23页  
The plot for equation (7) is shown in  
Figure 5A.3.  
By normalizing the Y-axis to 100% at 90°, this  
graph becomes that which is typically shown in  
the LED data sheets (Figure 5A.4). It should be  
noted that the data sheet refers to the X-axis as  
“Total Included Angle” which is equal to 2q (see  
Figure 5A.1).  
Figure 5A.4 Percent cummulative flux vs. total  
included angle.  
For rotationally symetric radiation patterns that  
cannot be easily represented with functions,  
Simpson’s rule can be applied to approximate  
the integral. For example, the HPWT-MH00  
radiation pattern cannot be easily described by  
a function. In such a case, the radiation pattern  
can be divided into a finite number of elements  
each with an angular width, dq, as shown in  
Figure 5A.5.  
The smaller the dq chosen, the larger n will  
become and the more accurate the  
approximation of the integral becomes.  
Applying Simpsons rule, we can approximate  
(6) by the following summation  
Figure 5A.5 Approximation of the HPWT-MH00  
radiation pattern.  
As before, (8) can be plotted as shown in Figure  
5A.6.  
Figure 5A.3 Graphic representation of  
Equation (7).  
Figure 5A.6 Graphic representation of  
equation (8).  
22  
 复制成功!