???????????????????????????????? 2,000 ???. - PowerPoint PPT Presentation

About This Presentation
Title:

???????????????????????????????? 2,000 ???.

Description:

... overcast sky 0.002 lux Moonless clear night sky with airglow 0.01 lux Quarter moon 0.27 lux Full moon on a clear night 1 lux Full moon overhead at ... – PowerPoint PPT presentation

Number of Views:14
Avg rating:3.0/5.0
Slides: 20
Provided by: pai131
Category:
Tags: airglow

less

Transcript and Presenter's Notes

Title: ???????????????????????????????? 2,000 ???.


1
????????????????????????????
  • ?????????????????????????????????

2
???????????
  • ????????????????????????????? ????????????????????
    ?????????????

3
??????????????????????????????
  • 1. ????????????????????????????? ??????
  • ?????????????????????????????
  • ???????????
  • ????????????????????
  • ????????????????????????????????
  • ???????????????????
  • ??????????????????????

4
(No Transcript)
5
??????????????????????????????
  • 2. ?????????????????????? ??? ????????????????????
    ????????????????????????????? ???????????????????
    ???????????

6
??????????????????????????????
  • 1. ??????????????????????????????????????????
  • ???????????????????????????????? 2,000 ???.
    10,000 ???.
  • ????????????????????????????????? 150 ???.
  • ?????????????????????????????????????
    ??????????????????? ??????????????
  • ???????????????????????????????????????? 25 ??
    ??? ??????? 1 ???

7
??????????????????????????????
  • 2. ???????????????????????????????????????????????
    ?????
  • ??????????????
  • ?????????????
  • ??????????????????????? ??????
  • ??????????????

8
(No Transcript)
9
??????????????????????????????
  • 3. ?????????????????????????????????????
    ????????????
  • ?????????????????
  • ???????????????????
  • ???????????????????????????????????

10
??????????????????????????
  • ????????????????????????????????
  • ???????????????????????? ?????????????????????????
    ??
  • ???????????????????????????? ?????????????????
    ?????????????????????

11
???????????????????????
  • ??????????????????????????????????????????????????
    753 lx
  • ???????????????????????? 323 lx

12
Illuminance Example 10-4 lux Total
starlight, overcast sky 0.002 lux Moonless
clear night sky with airglow 0.01 lux Quarter
moon 0.27 lux Full moon on a clear night 1
lux Full moon overhead at tropical latitudes
3.4 lux Dark limit of civil twilight under a
clear sky 50 lux Family living room 80 lux
Hallway/toilet 100 lux Very dark overcast
day 320500 lux Office lighting 400 lux
Sunrise or sunset on a clear day. 1,000 lux
Overcast day2 typical TV studio lighting
10,00025,000 lux Full daylight (not direct
sun) 32,000130,000 lux Direct sunlight
13
????????????????????? (Workstation)
  • ????????????????????????? ????????????????????????
    ??????????????????????????????????????????????????
    ??????
  • ??????????????????? ??????????????????????????????
    ?? ????????????????????

14
(No Transcript)
15
????????????????????????????
  • ??????????????????????? ??????????????????????????
    ????? ????????????????????????????????????????????
    ?????
  • ?????????????????????????? ???????????????????????
    ??

16
??????????????????????????
  • ???????????????????????? ?????????????????????????
    ????????????????????????????
  • ???????????????????????? ?????????????????????????
    ????????????????

17
(No Transcript)
18
(No Transcript)
19
(No Transcript)
Write a Comment
User Comments (0)
About PowerShow.com