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Formato PDF - mtc-m17:80 - Inpe

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APÊNDICE A<br />

Modelo de banda C CMOD5<br />

( 1+<br />

b1<br />

× cos( φ) + 2 cos( 2 )) 1, 6<br />

σ ° = 0×<br />

b × φ<br />

b (A.1)<br />

As variáveis b0, b1 e b2 são dependentes da velocidade v e do ângulo de incidência θ.<br />

Assim,<br />

( − 40)<br />

x = θ<br />

25<br />

e,<br />

b0<br />

= 10<br />

a0+<br />

a1v<br />

×<br />

f<br />

( a2<br />

× v,<br />

s0) γ<br />

(A.2)<br />

onde:<br />

f<br />

( s so) = ( s / s0)<br />

α<br />

, { × g(<br />

s0),<br />

s ≤ s0<br />

{ g( s),<br />

s ≥ s0<br />

onde:<br />

g(<br />

s)<br />

= 1<br />

(A.3)<br />

( 1 + exp( −s))<br />

)<br />

e, α = s0(1<br />

− g(<br />

s0))<br />

(A.4)<br />

As variáveis a0, a1, a2, γ e s0 são dependentes somente do ângulo de incidência:<br />

a 0 × x<br />

2<br />

3<br />

= c1<br />

+ c2<br />

× x + c3<br />

× x + c4<br />

(A.5)<br />

a 1 = c5<br />

+ c6<br />

× x<br />

(A.6)<br />

a 2 = c7<br />

+ c8<br />

× x<br />

(A.7)<br />

107

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