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For evaluation only.
A
C
E
I
K
3. Sãng dõng
Generated by Foxit PDF Creator © Foxit Software
For evaluation only.
Ph¬ng truyÒn sãng
A
B
C
F
C
D
E
F
G
A
B
C
E
F
G
A
B
C
D
E

B
C
D
E
F
G
A
B
C
D
E
F
G
t = T/2
t = 0
t = T/4
t = 3T/4
Generated by Foxit PDF Creator © Foxit Software
For evaluation only.
t = T/2
A
E
A
B
C
F
C
E
A
B

B
E
C
Sãng tíi:Ph¬ng truyÒn sãng.
Sãng ph¶n x¹:Ph¬ng truyÒn sãng.
A
C
E
DB
C E
I
t = 0
t = T/4
t = 3T/4
k
Generated by Foxit PDF Creator © Foxit Software
For evaluation only.