: , . Z= Z. , , . .
, ( ). , p , . , , .
(R=∞).
, .
, ,
. ,
. 1. : ; λ ; I ; U
. 2. : t1...t6 ; l
, . , , . 3.
. 3. ,
RH . , .. (U = 0). , , . .
, . , , , . , . , R Zo, RH = Zo (, , . . , , , . (). : = Umin/Umax= I min/Im. . (1/ = Um/Umin), .
|
|
() , . , (D λ ). . , , .
:
1. .
2. , .
3. .
4. , .
: 1. .
2. . [1, . 242-255]
:
1. .
2. y= λ/8, Z =600.
Ққ ұқ | Short circuit | ||
үү қ | Running wave | ||
ҳ қ | Standing wave | ||
Coaxial | |||
қ | Wave guide | ||
ғ | Reflection |
13
: , . . , , .
, , . , , (). , , , . , . , . , . , ,
|
|
P = I2 R,
I ; R .
, R,
R = R + R'.
ή,
ή = R / R.
, . ] . ( ) , /,
E≈5,5 √PΣ /r
PΣ , ; r , .
E≈5,5 √PΣ D /r
D .
. , - . . -, , . . -, , .
, , , .
, , , .
. , , ( ). , , (), , . ( , ).
D:
D = /,
; .
, , .
. , , , , , . . , , . , .
|
|
, . : , , , , ..
( ), .
, , , . .
:
1. ?
2. ?
3. .
4. .
5. .
: : , , .
[2, . 297-307]
:
.
The aerial | |||
ә | Radiation | ||
Intensity | |||
қ | The vibrator | ||
ij | |||
қ | Half-wave | ||
қ | Microstrip |
14
: 180˚, . ( ) λ/2, .
, , . , , λ0 , .. . λ0 =2l, .. . , , .
.1. .
, . , , . . , , ( ). D , . .
. 2. : ; ; .
|
|
, - (.1). , () 180. .
, .
. , . , . . (. . 3).
. 3.
, (10...20) .
. , . , 3...5 . , , λ/4. . , .
. (. 9.14) , . . 46 .
. 4. :
; ;
, . , , , (. . 2 ). R , . .
. , (. . 4, , ). , . . , . , , . , () .
, .
c 0,5 . . ] |
.
:
1. ?
2. ?
3. .
4. .
5. .
: : . .
[2, . 229- 335]
:
.
The frame aerial | |||
ә | Radiation | ||
The magnetic aerial | |||
ү | The core | ||
ij | The vibrator | ||
өқ | Quarter wave |
15