光纤通信课后习题答案

Q]#?}?|$?sn@=n sn , f#ijn =sin@/sin8 =sn67/sn33 ( r maab ??

n' -30.27

ltXifJ =421

l

2 ×8 ×IO'

= l 2.San

p 2.4D5 1.31 2.4115

= 0.47//iii

?1. ?—?.n×s?rx?÷?s×at5km?n÷n?a. n.?.tr?rr - 4 . +?tr±t+s?-??3 .

n ——1.475

Ln2g _ 5 ×

1f1'

en 3 ×1f1’

×1.475

NA

2 n, 2 J.4:5

×II.111 - II. l 13//.i

I Ihc 1× 6.63 × 10 "‘× 3 ×

"’= 3.98 × l f1 " h[, 2 0.5 ×1f1 '

he

I e

1.24

—

1.24

E 1.424

= 2.2x lfl“A ——22nA

= 11.87

=””=0.84A /\4'

1.24 1.24

?i z??. —?÷?rrxa?xn. ?÷?+?s??s??. st ?×±±r ??,?”.?a?,±?z??

÷?r r ±÷?r+.?+n ?±÷?rxa+?÷??i?+?+ +????-=÷?t.

N

8 = 12

2 2

BER Q ' ’

BER Q ' ’

×??o 0“—16dBm?t??s.?..???tr. tt???×?r÷r??"?. x?÷r?. z. z \satJtt9, ?×?t?nass

= 7sn.. F

P ——P, —nL —2 ×tl.5

=son. F

14

6

1 pst (nm. k . 2d tkm

- As , m 2nm (Tt

( 4 dB

Pg ——lHflH x

s±.?>?÷?be

s?÷?+?.

”R

100%

17