-15
: .
:
- :1) () Z 2= 0; 2) () Z 2 = ∞; 3) Z 2 = Z; 4) Z 2= Z/3.
- L , .
- .
:
- .
- , (=0) ( , Z 2 = ∞), ( Z 2= 0), Z 2 = Z; Z 2= Z/3.
. 1.
1.
, | |||||
Z 2= 0 () | Z 2 = ∞ () | Z 2 = Z | Z 2= Z/3 | ||
6,0 | |||||
λ/4 | 6,2 | ||||
λ/2 | 6,3 | ||||
3λ/4 | 6,1 | ||||
λ= 260 | 5,9 |
- . , . L . , .
, L = 60 < λ/4,
, = 120 < λ/2.
- .2 , , , .
1) Z 2= 0 ():
=0
λ 3 λ/4 λ/2 λ/4
λ = 260
2) Z 2= ∞ ():
=0
λ 3 λ/4 λ/2 λ/4
|
|
λ = 260
3) Z 2 = Z
3) Z 2= Z/3
=0
λ 3 λ/4 λ/2 λ/4
.2 Z 2= Z/3 , Umin/Umax = Z2/Zc = =5/15 = 1/3
- λ, , L0 0, γ, β, α f=/ λ.
: = 1,25 d=100 . .
, , , :
, /;
, /;
, /;
, 1/∙.
, , , :
:
L0 = 0,921 ∙10,3 ∙ 1,903 = 18,05 10-6 /.
0 = 12,064/1,903 = 6,34 10-12 /.
R = = 1,69 106 .
, , .
α = 0;
β = ω √ L0 0
γ = √Z0Y0
- .
, R0 g0 .
.. : α = const=0
:
- .5 ,
L=Zc|tg(βxL) | / 2πf;
=1/2πf Zc|tg(βx )|.
L, Z = jZc tg(βxL) = j2πfL.
L=Zc|tg(βxL)|/2πf.
=1/2πf Zc|tg(βx )|.