Устройства на поверхностных акустических волнах. Бугаев А.С - 111 стр.

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
( , ) ( )exp( )Bz B jzκκκ
++
=-

z
( , ) ( )exp( )Bz B jzκκκ
--
=
z

exp( ).jtω-
      
 κ  
( , ),
kk
AAzκ
±±
=
11
( , ),
kk
AAzκ
±±
++
=
( , ),
kk
BBzκ
±±
=
11
( , ).
kk
BBzκ
±±
++
=

,
k
A
+
       k 
 z    

а
( )
11
;
k
k
k
ASA
-+
¢
=
( )
31
;
k
k
k
BSA
-+
¢
=
( )
41
1
.
k
k
k
BSA
++
+
¢
=


,
k
B
+
        k 
 z,    

б
( )
13
;
k
k
k
ASB
-+
¢ ¢
=
( )
23
1
;
k
k
k
ASB
++
+
¢ ¢
=
( )
33
;
k
k
k
BSB
-+
¢ ¢
=
( )
43
1
.
k
k
k
BSB
++
+
¢ ¢
=


1
,
k
A
-
+
k
 z,    

в
( )
12 1
;
k
kk
ASÀ
--
+
¢ ¢ ¢
=
( )
22 1
1
;
k
k
k
ASA
+-
+
+
¢ ¢ ¢
=
( )
32 1
;
k
kk
BSA
--
+
¢ ¢ ¢
=
( )
42
11
.
k
kk
BSA
++
++
¢ ¢ ¢
=


1
,
k
B
-
+
k
 z    

г