:3;3)<=((;>)?(@A)*
635B=)!--!
!"#$%&'()*+,-)./)01/')234(5)67819(
M''9CB3;C7.4
s
J.L"(5%,')+,-M"L+.-/5)*"M"+.A-EJR;@H
:(4B5C';C7.
I$+-3ST%0=)+-)(5)-*/A+.-5',(*+-.+).+A+90A-/-M/5"*=-
'M-0$+.5'+*+&0."&/**=-&''*+,7-$"#$%)'1+.-*/A+.AU-I$+=-
/.+-,+A"#9+,-/A-&'90"9('(A%1/:+-E86H-')0"&/*-)(5)-
A'(.&+A-M'.-,+9A+-1/:+*+9#0$%,":"A"'9-5(*0")*+V"9#-
ER6RFH-JR;@-/))*"&/0"'9AU-
%=()!"#$;&'()'1/')934(5)/7819()C4)8(4CD.(8)34)3)B7.;C.1714$
E3@()FGHI)7';CB39)'1/')4715B()J75)(5KC1/$87'(8)JCK(5)3/'9C$
JC(54A
I$+-*/A+.-5',(*+A-"9&'.)'./0+-/-$"#$%)'1+.7-D(/9%
0(5%1+**-*/A+.-&$")-0$/0-/&$"+:+A-M"L+.-)'1+.A-()-0'-
234-56U
@9-"90+#./*-0$+.5'+*+&0."&-&''*+.-EIJ8H-A0/L"*"O+A-0$+-
*/A+.-/0-.''5-0+5)+./0(.+-/9,7-&'5L"9+,-1"0$-/-$+.%
5+0"&-+9:".'95+907-/**'1A-0$+-,+:"&+-0'-/&$"+:+-
$"#$%)'1+.-')+./0"'9-':+.-0$+-+V0+9,+,-0+5)+./0(.+-
./9#+-'M-4-W8-0'-XY-W8U-@9-"90+.9/*->9?/@A-B>K-)$'%
0',"',+7-5'(90+,-L+$"9,-0$+-*/A+.-,"',+7-M(9&0"'9A-
/A-0$+-*/A+.-,+0+&0'.-/9,-5'9"0'.A-*"#$0-+5"AA"'9A-
M.'5-0$+-.+/.-M/&+0-'M-0$+-*/A+.U
I$+-3ST%0=)+-5',(*+-"A-'MM+.+,-"9-/-PQ%)"97-$+.5+0"&-
L(00+.M*=-)/&</#+U
L(3;15(4
s
!"#$%&'()*+,-./0+,-'(0)(0-)'1+.-()-0'-234-567-
86
6",+-+9:".'95+90/*-./9#+
;"+*,%).':+9-)/&</#"9#-0+&$9'*'#=
>9?/@ABC>9B-$"#$%)'1+.7-A0./"9+,-5(*0")*+-D(/9%
0(5%1+**-EFG6H-&$")-,+A"#9
>90+.9/*-')0"&/*-"A'*/0'.-E')0"'9/*H
>90+.9/*-0$+.5'+*+&0."&-&''*+.-EIJ8H
>9?/@A-B>K-)$'0',+0+&0'.-L/&<%M/&+0-5'9"0'.-
N"9#*+%5',+-/9,-)'*/."O/0"'9%5/"90/"9"9#-M"L+.-)"#%
0/"*A
8'5)/&07-PQ%)"9-L(00+.M*=-)/&</#+
>9,(A0.=-&'5)/0"L*+-)/&</#+-/9,-)"9'(0
s
s
s
s
s
s
s
s
s
!"#$%&'()*+,-)./)01/')234(5)67819(
:3;3)<=((;>)?(@A)*
635B=)!--!
MK4791;()63NC/1/)?3;C.D4
N0.+AA+A-"9-+V&+AA-'M-0$+-/LA'*(0+-5/V"5(5-./0"9#A-&/9-&/(A+-)+.5/9+90-,/5/#+-0'-0$+-,+:"&+U-I$+A+-/.+-/LA'%
*(0+-A0.+AA-./0"9#A-'9*=U-;(9&0"'9/*-')+./0"'9-'M-0$+-,+:"&+-"A-9'0-"5)*"+,-/0-0$+A+-'.-/9=-'0$+.-&'9,"0"'9A-"9-+V&+AA-
'M-0$'A+-#":+9-"9-0$+-')+./0"'9/*-A+&0"'9A-'M-0$+-,/0/-A$++0U-JV)'A(.+-0'-/LA'*(0+-5/V"5(5-./0"9#A-M'.-+V0+9,+,-
)+."',A-&/9-/,:+.A+*=-/MM+&0-,+:"&+-.+*"/L"*"0=U
0353/(;(5
_)+./0"9#-8/A+-I+5)+./0(.+-`/9#+
N0'./#+-8/A+-I+5)+./0(.+-`/9#+
\/A+.-;'.1/.,-Z"/A-EIJ8-'9Hc
B
_
-[-P34-56d344-56
B
_
-[-3P4-56d234-56
\/A+.-`+:+.A+-^'*0/#+
B$'0',"',+-`+:+.A+-^'*0/#+
IJ8-8(..+90
B
_
-[-P34-56d344-56
B
_
-[-3P4-56d3b4-56
B
_
-[-3T4-56d234-56
IJ8-^'*0/#+
I+5)+./0(.+-N+9A'.-8(..+90
\/A+.-R"',+-_)+./0"9#-8$")-I+5)+./0(.+
<&/K79
I
8
I
A0#
>
;
6C.
4
aQ4
d
d
d
d
d
63N
XY
bY
P344
PT44
3
34
3UY
QUY
YU4
YU4
Y
Q4
Q.C;
W8
W8
5@
5@
^
^
@
@
@
^
5@
W8
^
`
^
`F_K
>
IJ8
^
IJ8
>
IN
I
\R
d
d
d
O3.89C.D)05(B31;C7.4
P9(B;574;3;CB):C4B=35D(
GMQ%RSTU)%=C4)8(@CB()C4)414B(';CK9();7)83/3D()34)3)5(419;)7J)(9(B;574;3;CB)8C4B=35D()FP<:IA)%3V()'57'(5)
'5(B31;C7.4)815C.D)K7;=)=3.89C.D)3.8);(4;C.DA)L7997E)D1C8(9C.(4)41B=)34)!"#
$
W)
<;3.8358)!"#)
"!XA
@#+.+-N=A0+5A->9&U-+5)*'=A-/-$(5/9%L',=-5',+*-E!ZFH-M'.-JNR%A(A&+)0"L"*"0=-0+A0"9#-/9,-).'0+&0"'9%,+A"#9-
+:/*(/0"'9U-JNR-:'*0/#+-0$.+A$'*,A-/.+-,+)+9,+90-'9-0$+-&."0"&/*-)/./5+0+.A-(A+,-0'-,+M"9+-0$+-5',+*U-@-A0/9,/.,-
!ZF-E.+A"A0/9&+-[-PUY-<Ω7-&/)/&"0/9&+-[-P44-);H-"A-1",+*=-(A+,-/9,7-0$+.+M'.+7-&/9-L+-(A+,-M'.-&'5)/."A'9-)(.%
)'A+AU-I$+-!ZF-JNR-1"0$A0/9,-:'*0/#+-+A0/L*"A$+,-M'.-0$+-3ST%I=)+-\/A+.-B(5)-F',(*+-"A-]Y44 ^U
3
@#+.+-N=A0+5A->9&U
:3;3)<=((;>)?(@A)*
635B=)!--!
!"#$%&'()*+,-)./)01/')234(5)67819(
P9(B;5CB39YS';CB39)G=353B;(5C4;CB4)
%3K9()*A))P9(B;5CB39YS';CB39)G=353B;(5C4;CB4)E@**-)+.M'.5/9&+-)/./5+0+.A-/.+-A)+&"M"+,-M'.->
;7-_B
7-I
NJI
-[-3Y-W87-
I
8@NJ
-e-3Y-W87-(9*+AA-'0$+.1"A+-A)+&"M"+,UH
0353/(;(5
_)+./0"9#-_)0"&/*-B'1+.
8+90+.-6/:+*+9#0$
`FN-N)+&0./*-6",0$
Z_\-_)+./0"9#-\/A+.-;'.1/.,-8(..+90c
B
_
-[-P34-56
B
_
-[-P24-56
B
_
-[-PQ4-56
B
_
-[-PY4-56
Z_\-_)+./0"9#-\/A+.-;'.1/.,-8(..+90c
B
_
-[-PS4-56
B
_
-[-PX4-56
B
_
-[-Pb4-56
B
_
-[-PT4-56
B
_
-[-344-56
Z_\-_)+./0"9#-\/A+.-;'.1/.,-8(..+90c
B
_
-[-3P4-56
B
_
-[-334-56
B
_
-[-324-56
B
_
-[-3Q4-56
B
_
-[-3Y4-56
Z_\-_)+./0"9#-\/A+.-;'.1/.,-8(..+90c
B
_
-[-3S4-56
B
_
-[-3X4-56
B
_
-[-3b4-56
B
_
-[-3T4-56
B
_
-[-244-56
B
_
-[-2P4-56
B
_
-[-234-56
J_\-_)+./0"9#-\/A+.-;'.1/.,-8(..+90
J_\-\/A+.-R"',+-;'.1/.,-^'*0/#+
F',(*+-_)0"&/*->A'*/0"'9
E')0"'9/*-M+/0(.+H
B'*/."O/0"'9-JV0"9&0"'9-`/0"'
<&/K79
B
_
λ
8
∆λ
>
;7-_B-
Z_\
G7.8C;C7.4
d
d
B
_
d
d
d
d
d
d
d
d
d
d
d
d
d
d
d
d
d
d
d
d
d
d
>
;7-_B
-J_\
J_\-_:+.
I
8@NJ-`@K?J
d
6C.
P34
PQSY
d
d
d
d
d
d
d
d
d
d
d
d
d
d
d
d
d
d
d
d
d
d
d
d
24
PY
%&'
d
PQb4
Q
d
d
d
d
d
d
d
d
d
d
d
d
d
d
d
d
d
d
d
d
d
d
3U2
d
d
63N
234
PQTY
P4
YY4
S44
S44
S44
SY4
X44
X44
XY4
b44
T44
TY4
P444
P4Y4
PP44
PPY4
P344
P3Y4
P244
P2Y4
PQ44
PQY4
PUPY-V-
>
;7-_B-Z_\
2U4
d
d
Q.C;
56
95
95
5@
5@
5@
5@
5@
5@
5@
5@
5@
5@
5@
5@
5@
5@
5@
5@
5@
5@
5@
5@
5@
5@
^
,Z
,Z
>
;7-_B-
Z_\
>
;7-_B-
Z_\
;7-_B-Z_\
>
;7-_B-
J_\
^
`
>N_
BJ`
%3K9()!A)67.C;75)0=7;78C78()G=353B;(5C4;CB4)E@**-0+A0-)/./5+0+.A-/.+-A)+&"M"+,-M'.->
;7-_B7
-I
NJI
-[-3Y-W87-
I
8@NJ
-e-3Y-W8-(9*+AA-'0$+.1"A+-A)+&"M"+,UH
0353/(;(5
F'9"0'.-R"',+-8(..+90
F'9"0'.-R"',+-R/.<-8(..+90
<&/K79
>
Z;
>
R
G7.8C;C7.4
d
^
`
-[-aY-^7->
;-
[-4
6C.
PY4
d
63N
Pb44
P44
Q.C;
µ@
9@
@#+.+-N=A0+5A->9&U
2
!"#$%&'()*+,-)./)01/')234(5)67819(
:3;3)<=((;>)?(@A)*
635B=)!--!
P9(B;5CB39YS';CB39)G=353B;(5C4;CB4)
E&'90"9(+,H-
%3K9()ZA)%PG)3.8)%=(5/C4;75)G=353B;(5C4;CB4)E@**-)+.M'.5/9&+-)/./5+0+.A-/.+-A)+&"M"+,-M'.->
;7-_B7
-I
NJI
-[-3Y-W87-
(9*+AA-'0$+.1"A+-A)+&"M"+,UH
0353/(;(5
IJ8-8(..+90c
B
_
-[-P34-56d-PY4-56
IJ8-8(..+90c
B
_
-[-PS4-56d-344-56
IJ8-8(..+90c
B
_
-[-3P4-56d3b4-56
IJ8-8(..+90c
B
_
-[-3T4-56d234-56
IJ8-^'*0/#+c
B
_
-[-P34-56dPY4-56
IJ8-^'*0/#+c
B
_
-[-PS4-56d-344-56
IJ8-^'*0/#+c
B
_
-[-3P4-56d3b4-56
IJ8-^'*0/#+c
B
_
-[-3T4-56d234-56
I$+.5"A0'.-`+A"A0/9&+
I$+5"A0'.-Z-8'9A0/90
<&/K79
>
IJ8
G7.8C;C7.4
I
NJI
-[-3Y-W8f
I
8@NJ
-[-X4-W8f
∆I-[-QY-W87-J_\
I
NJI
-[-3Y-W8f
I
8@NJ
-[-X4-W8f
∆I-[-QY-W87-J_\
I
NJI
-[-3Y-W8f
I
8@NJ
-[-X4-W8f
∆I-[-QY-W87-J_\
I
NJI
-[-3Y-W8f
I
8@NJ
-[-X4-W8f
∆I-[-QY-W87-J_\
I
NJI
-[-3Y-W8f
I
8@NJ
-[-X4-W8f
∆I-[-QY-W87-J_\
I
NJI
-[-3Y-W8f
I
8@NJ
-[-X4-W8f
∆I-[-QY-W87-J_\
I
NJI
-[-3Y-W8f
I
8@NJ
-[-X4-W8f
∆I-[-QY-W87-J_\
I
NJI
-[-3Y-W8f
I
8@NJ
-[-X4-W8f
∆I-[-QY-W87-J_\
3Y-W8-\/A+.-R"',+-
N+0-I+5)+./0(.+
d
6C.
d
63N
PUY
Q.C;
@
>
IJ8
d
3U4
@
>
IJ8
d
2U4
@
>
IJ8
d
QUQ
@
^
IJ8
d
2UP
^
^
IJ8
d
QU4
^
^
IJ8
d
QU4
^
^
IJ8
d
TUY
2X44
QUY
P4UY
QP44
^
<Ω
g
`
I!J`F
Z
Q
@#+.+-N=A0+5A->9&U
:3;3)<=((;>)?(@A)*
635B=)!--!
!"#$%&'()*+,-)./)01/')234(5)67819(
671.;C.D)3.8)G7..(B;C7.4
GMQ%RSTU %=C4)8(@CB()C4)414B(';CK9();7)83/3D()34)
3)5(419;)7J)(9(B;574;3;CB)8C4B=35D(A)
057'(5)'5(B31;C7.4)4=7198)K();3V(.)
815C.D)K7;=)=3.89C.D)3.8);(4;C.DA
I$+-L/A+-'M-0$+-*/A+.-5',(*+-EA++-_(0*"9+-R"/#./5H-
A$'(*,-L+-5/"90/"9+,-/0-'.-L+*'1-XY-W8-E5/V"5(5H-
,(."9#-')+./0"'9U->90+.M/&+A-L+01++9-0$+-*/A+.-5',(*+-
L/A+-/9,-$+/0-A"9<-5(A0-L+-&*+/97-/9,-0$+-(A+-'M-/-
0$+.5/*-M"**+.-5/=-L+-9+&+AA/.=U
Q4(5)R.J75/3;C7.
%3K9()+A)0C.)R.J75/3;C7.
0C.)
T1/K(5
P
3
2
Q
Y
S
X
b
T
P4
PP
P3
P2
PQ
G7..(B;C7.
IJ-8''*+.-EjHh
I$+.5"A0'.-
F'9"0'.-@9',+-EaZ"/AH
F'9"0'.-8/0$',+-EjZ"/AH
I$+.5"A0'.
K'-8'99+&0
K'-8'99+&0
K'-8'99+&0
K'-8'99+&0
\/A+.-@9',+-EjH
\/A+.-8/0$',+-EaH
K'-8'99+&0
B/&</#+-?.'(9,
IJ8-8''*+.-EaH
671.;C.D)R.4;51B;C7.4
I$+-5"9"5(5-M"L+.-L+9,-./,"(A-"A-PU4-"9U
I'-/:'",-,+#./,/0"'9-"9-)+.M'.5/9&+7-5'(90-0$+-5',%
(*+-'9-0$+-L'/.,-/A-M'**'1Ac
PU B*/&+-0$+-L'00'5-M*/9#+-'M-0$+-5',(*+-'9-/-M*/0-$+/0-
A"9<-/0-*+/A0-4UY-"9U-V-PUPb4-"9U-EP3UX-55-V-24-55H-
"9-A"O+U-I$+-A(.M/&+-M"9"A$-'M-0$+-$+/0-A"9<-A$'(*,-L+-
L+00+.-0$/9-23-µ"9U-E4Ub-µ5H7-/9,-0$+-A(.M/&+-M*/0%
9+AA-5(A0-L+-L+00+.-0$/9-4U44P-"9U-E3YUQ-µ5HU-kA"9#-
0$+.5/*-&'9,(&0":+-#.+/A+-"A-')0"'9/*f-$'1+:+.7-
0$+.5/*-)+.M'.5/9&+-5/=-L+-"5).':+,-"M-&'9,(&%
0":+-#.+/A+-"A-/))*"+,-L+01++9-0$+-L'00'5-M*/9#+-
/9,-0$+-$+/0-A"9<U
3U F'(90-M'(.-l3%YS-A&.+1A-1"0$-;"**"A0+.-$+/,A
EF3%2-55H-/0-0$+-M'(.-A&.+1-$'*+-*'&/0"'9A-EA++-
_(0*"9+-R"/#./5HU-I$+-;"**"A0+.-$+/,-,"/5+0+.-5(A0-
9'0-+V&++,-4UPQ4-"9U-E2UYY-55HU-R'-9'0-/))*=-5'.+-
0$/9-P-"9U%*LU-'M-0'.D(+-0'-0$+-A&.+1AU
h @-)'A"0":+-"9)(0-"90'-0$"A-)"9-&''*A-0$+-*/A+.U
LCK(5)G=353B;(5C4;CB4
s
\+9#0$-'M-M"L+.-)"#0/"*c
d-PUXY-5-]-4U3Y-5
N0/9,/.,-M"L+.c
d-8*/,,"9#-_Rc-P3Y-µ5
d-@&.=*/0+-L(MM+.-_Rc-3Y4-µ5
d!"#$%&'
$
W
-0"#$0-L(MM+.-_Rc-T44-µ5
d-8(0-'MM-1/:+*+9#0$c-iP234-95
B'*/."O/0"'9%5/"90/"9"9#-M"L+.c
d-B@KR@
d-8*/,,"9#-_Rc-P3Y-µ5
d-@&.=*/0+-L(MM+.c-Q44-µ5
d-8(0-'MM-1/:+*+9#0$c-iPQ44-95
X
S
Y
Q
2
s
s
3
P
+
–
I!-P4-<Ω
IJ8
>N_\@I_`
E_BI>_K@\H
+
b
T
P4
–
PP
P3
P2
PQ
P%SXY-E;HU"
LCD15()*A)GC5B1C;)<B=(/3;CB
@#+.+-N=A0+5A->9&U
Y
嵌入式系统
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
