| sryy_99 |
2007-12-15 14:35 |
灯具效率如何计算
请教一个问题,根据配光曲线得出的数据能求出该灯具的效率吗?数据如下 f^Z RT@`O
.000 289.178 289.178 ,oe <
10.000 290.772 282.674
x^qVw5{n
20.000 246.218 244.027 ~%F9%=
30.000 65.505 68.7063 =[ 46`-_
40.000 2.47795 2.60946 ~hH REI&
50.000 0.00836881 0.00851108 o#)C^xlQ
60.000 2.11056e-006 2.02011e-006 jwe *(k]z
70.000 1.57319e-011 1.3138e-011 }v;V=%N+v
80.000 1.40827e-012 3.34844e-013 P ;y45b
90.000 7.29546e-013 7.23349e-013 mM~qBrwL
100.000 2.74654e-013 1.47265e-012 8,Z_{R#|
110.000 1.60433e-013 1.28551e-012 @ y.?:7I
120.000 3.00053e-013 2.09581e-013 ph kwN}6
130.000 4.30091e-013 4.36096e-013 2 34p9A@
140.000 5.29552e-013 3.95937e-013 ~D+bh~
150.000 3.13332e-012 4.14475e-013 FZ QP%]FX
160.000 1.14934e-011 1.59143e-012 R- wp9 ^
170.000 1.43444e-011 1.2478e-012 iU918!!N
180.000 5.3343e-013 5.3343e-013 ]EbM9Fo-U
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