TTQ.docx - A 1 nh sng truyn c trong si quang l do(tnh cht...

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A 1. Ánh sáng truy n đ c trong s i quang là do (tính ch t ph n x toàn ượ ph n c a ánh sáng) B 2. Băng t n s i quang ph thu c vào (phân b suy hao và tán s c theo b c sóng) ướ 3. B bi n đ i đi n quang E/O có tác d ng (bi n đ i tín hi u đi n ế ế thành tín hi u quang có đi u ch ) ế 4. B bi n đ i quang O/E có tác d ng (bi n đ i tín hi u quang thành ế ế tín hi u đi n) 5. B ghép b c sóng WDM trong khu ch đ i EDFA có tác d ng (ghép ướ ế ánh sáng tín hi u và laser b m vào s i quang) ơ 6. B c sóng c t là b c sóng (nh nh t mà t i đó s i quang làm vi c ướ ướ nh s i đ n mode) ư ợ ơ 7. B c sóng c t là b c sóng (nh nh t mà t i đó s i quang làm vi c ướ ướ nh s i đ n mode) ư ợ ơ 8. B c sóng c a laser b m ph i (g n b c sóng tín hi u quang vào) ướ ơ ướ C 9. Các c a s truy n d n quang đ c xác đ nh ch y u (trên c s suy ượ ế ơ ở hao s i quang theo b c sóng) ướ 10.Các l a ch n chính v thi t b khi thi t k h th ng thông tin quang ế ế ế (s i quang; thi t b phát; thi t b thu) ế ế 11.Các tr m l p trên đ ng truy n d n quang có tác d ng (khu ch đ i ườ ế và tái sinh tín hi u trong mi n đi n) 12.Các yêu c u c b n ban đ u khi thi t k tuy n thông tin quang (c ơ ế ế ế ly truy n, t c đ truy n, t s l i bit BER) ỉ ố ỗ 13.Ch t bán d n có th có (nhi u m c năng l ng) ượ 14.C ng đ ánh sáng c a LED (t l thu n v i dòng đi n cung c p ườ ỷ ệ trong m t gi i h n) D 15.D i t n khu ch đ i c a laser bán d n ph thu c vào (n ng đ h t ế t i b m vào m t ghép) ơ
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16.Dao đ ng ánh sáng trong h p c ng h ng c
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  • Spring '13
  • dfhue

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Christopher Reinemann
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