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Journal of Engineering and Applied Science

Table 1 Required coefficients for proposed model of cool white LED

From: Analysis and modeling for illuminance and signal-to-noise of smart traffic information system

Coefficient

Value

Coefficient

Value

Coefficient

Value

α1,c

− 0.3

χ2,c

5.3

c3,c

130.5

α2,c

147.5

c2,c

125.3

μ1,c

− 0.00005

β1,c

97.7

δ1,c

− 5.31

μ2,c

0.0041

β2,c

− 355.1

δ2,c

178.2

μ3,c

124.2

c1,c

128.5

ε1,c

103.4

c4,c

129.7

χ1,c

155.7

ε2,c

− 347.2

c5,c

128.4

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