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17 . 2 , .. . 8 , 9 .
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, ( 17 ) .
1 | 2 | Δφ | k | |
? | π | 0.628 | ||
1. 17,3. , 1 2 , Δφ. , , k. , .
: z=Zmcos(ωt-kx). cos . . , , .
: k=2π/λ. k λ.
ε | Em (/) | Hm (/) | V (/) | |
? | ? | 8.56*10-3 | 1.86*108 | |
2. 17.6. ε μ, , , m - Hm, v. .
: : Em/Hm=Z, Z , , , . μ=1. . 5 3. 2 :
3. 17.9. , == mcos(ωt-kx), H= mcos (ωt-kx). - x1 t . , .
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x1 () | Em (/) | ω (1/) | k (1/) | t1 () | |
1.2 | 2.5π*108 | 0.83π | 4.67*10-9 | ||
:
. : =/Z, Z , Z=377 . , . , =2/Z. . . , (ωt-kx)=(2n+1)π/2, n . cos2(ωt-kx)=1/2. <>= =m2/(2Z).
4. I. n=1.5 ( n). .
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, Z1 Z2 . : Z=Z0/n, Z0 (Z0 = 377 ).
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R1, | R2, | R3, | R4, | һ, | D, | a1, | a2, | b, | α | ε, | λ, | ..9 | ||
0,25 | 0,55 | 0,65 | 0,85 | 8,5 | 4,0 | 6,5 | 4,5 | 1200 | 6 | 0,25 | 9 |
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R1, R2 . , . , .
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f1=1/D=0.273 .
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f3=1/D=-0.578 .
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xs=-(a1+b-Δ)=-68.67.
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, 111.5 . , , . =1*3=-2.2.
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S1 S2 SAB SS1S2, .
xs (1) d:
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λ , .
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. -∞. , (6),
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. , +∞, , .. , ∞, .
(7) , , , .. L-xs. (-2f<xs<-f) , .. L-xs .
f=0.273, ε=0.25 , λ=490 . 9 . xs=-1.5f=-0.41.
(7) :
xs xs L=0.868 .
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