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Рубрика:
30 20 100102030
0
0.2
0.4
0.6
0.8
u2
i
u1
i
x
i
№ 5. ДН круглого излучателя. Расчет через полиномы .
c40.00443319:= c50.00031761:= c60.00001109:=
λ 0.4:= k2
π
λ
⋅:=
f1y()a0a1y⋅+ a2y
2
⋅+ a3y
3
⋅+ a4y
4
⋅+ a5y
5
⋅+ a6y
6
⋅+:=
θ1y()b0b1y⋅+ b2y
2
⋅+ b3y
3
⋅− b4y
4
⋅+ b5y
5
⋅+ b6y
6
⋅−:=
J1y()c0c1y⋅− c2y
2
⋅+ c3y
3
⋅− c4y
4
⋅+ c5y
5
⋅− c6y
6
⋅+:=
m1.61:=
U0x()x
3−
2
f1
3
x
⋅ cosx θ1
3
x
+
⋅
x3>if
J1
x
3
2
otherwise
:= U ρρ0,
()
U0
ρ
ρ0
m⋅
2
ρ 0>if
U0
ρ
ρ0
− m⋅
2
otherwise
:=
ρ015λ⋅:= z1
2 ρ01⋅
()
2
λ
:=ρ0210λ⋅:= z2
2 ρ02⋅
()
2
λ
:=
u1
i
Ux
i
ρ01,
()
:= u2
i
Ux
i
ρ02,
()
:=
u1maxmaxu1():= u2maxmaxu1():=
u1
u2
a00.79788456:= a10.00000156:= a20.01659667:= a30.00017105:=
imax100:=
a40.00249511:= a50.00113653:= a60.00020033:=
i02imax⋅..:=
b02.35619449−:= b10.12499612:= b20.00005650:= b30.00637879:=
b40.000743448:= b50.00079824:= b60.00029166:=
x
i
iimax−
imax
30⋅:=
c0
1
2
:= c10.56249985:= c20.21093573:= c30.03954289:=
0.8 0.6 u2i u1i 0.4 0.2 0 30 20 10 0 10 20 30 xi № 5. Д Н круглого и злуч ат еля. Расч етч ерезполи номы . a0 := 0.79788456 a1 := 0.00000156 a2 := 0.01659667 a3 := 0.00017105 imax:= 100 a4 := 0.00249511 a5 := 0.00113653 a6 := 0.00020033 i := 0.. 2⋅imax b0 := −2.35619449 b1 := 0.12499612 b2 := 0.00005650 b3 := 0.00637879 b4 := 0.000743448 b5 := 0.00079824 b6 := 0.00029166 i − imax 1 x := ⋅30 c0 := c1 := 0.56249985 c2 := 0.21093573 c3 := 0.03954289 i imax 2 c4 := 0.00443319 c5 := 0.00031761 c6 := 0.00001109 π λ := 0.4 k := 2⋅ 2 3 f1(y) := a0 + a1⋅y + a2⋅y + a3⋅y + a4⋅y + a5⋅y + a6⋅y 4 5 6 λ 2 3 4 5 6 θ1(y) := b0 + b1⋅y + b2⋅y − b3⋅y + b4⋅y + b5⋅y − b6⋅y 2 3 4 5 6 J1(y) := c0 − c1⋅y + c2⋅y − c3⋅y + c4⋅y − c5⋅y + c6⋅y m:= 1.61 −3 2 2 U0(x) := x ⋅f1 ⋅cos x + θ1 if x > 3 3 3 ρ ⋅m if ρ > 0 U( ρ , ρ0) := U0 x x ρ0 x 2 2 J1 otherwise ρ U0 − ⋅m otherwise 3 ρ0 (2⋅ρ01)2 (2⋅ρ02) 2 ρ01:= 5⋅λ z1:= ρ02:= 10λ ⋅ z2:= λ λ i (i ) u1 := U x , ρ01 (i ) u2 := U x , ρ02 i u1max:= maxu1 ( ) u2max:= maxu1 ( ) u1 u2