??D??'??????D???D?T1??? TEL?o010-67182616/2617/1948/1949 ?9:30-17:30??
1???????owww.jingshida.cn
彩票什是反水½¹¾àµÄ¼ÆËã - ±±¾©Êо¯ÊÓ´ï»úµçÉ豸Ñо¿ËùÓÐÏÞ¹«Ë¾
???3 > DD??? > ???????

?1???????

???o2016-02-26 '??o[??'?] ????o(926)
?o??oT|T

 ?1????????o 11???????o3?o?1??????? 3?????????????'D???3???'D???????????????????1??a???3??'D?????? 1???????1???3?'D??????????????????????????? f=wL/W 2??f=hL/h

f?????1?

w?o?????????????ccdD???3?????

W?o???????

L?o????????????

h?o????????????ccdD???3???????3????3???????

H?o??????????

ccdD??1???3?'??o ????mm 1???

 

1???

1/3"

1/2"

2/3"

1"

W

4.8

6.4

8.8

12.7

H

3.6

4.8

6.6

9.6

 

?????-????o??????????-????o?????????y??a4:3,?L2????H?W??'??f?D????H?W2????L??'??f??'?? 23????????? ?1??a???????'1?3?????'1??????3???3???o?????????3???β?????1??'??????? β=2tg-1= '1?3???q?'1?1??'??????? q=2tg-1= ??Dw??H??f?? ????3????'1?3?????1???????o q=?=q 2?DD3??2??3?'????2?o2???1?f??????3???b???????1??a???????'1?3?????'???????3?3?????'???????3?3????Ho3???W. H=2Ltg??W=2Ltg y????????????1?a17mm(2/3in),???1?f?a12mm??'2?D2??????3????a40??????????????????a2m????3?????w?? W=2Ltg=2×2tg=1.46m ?H=W=×1.46=1.059m ?1?f??o3??3?????D????????2?D??? ??a ??????????????3???W???????H??o??????????L??????????????????a?????????y???????????1??'3????????? *.???????3?'? *.???????????? *.????3?????3???o1/3"??1/2"??2/3"?1"?? ??a??????2???o?D??3???????1?D????????1????????a??1??????????????? 1????2a3????'????1????2a???????????????????1?1/3"??1??2??1?1/2??1??3??1?2/3"??1??4??1?1??1??5???????o??WoL?a?????2-5?D??23?|????????1????a跱?????o??3????D??|??????????????????????y????y??o3??50m,??40m,1?1/3"????????????D??????'4mm???????????????a??1?1?4mm???2???2??50m??3??????2.8mm?????????2??3???

 

f=vD/V ? f=hD/H

???D??f'?1???v'CCDD??'1??????V'?1?2a????????h'CCDD??????????H'?1?2a???????

?y?o??1/2"CCD???1?2a???2a????440o?????330o??????1??????2500o???1??????3??o ?1?f=6.4X2500/440≈36o? ??1?f=4.8X2500/330≈36o? ??1?y????3?o???1???D??|?1??????o?y3??????a????Y2?????????????Do???????????????D??????a????1?'?D???

 

??
[?e??-?o??'?1]

1???? | ??? | ???11 | t??3D?? | ????D? | ?????? | a????? | ?????
Copyright © 1998 - 2012 JingShiDa. All Rights Reserved 
??'?1??? ??D