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RC滤波器 频率阻抗分析图
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Expression 3: "a" equals 1
a
=
1
negative 10
−
1
0
10
1
0
3
高通滤波
高通滤波
4
Expression 5: StartFraction, "a" "x" Over left parenthesis, "a" squared "x" squared plus 1 , right parenthesis Superscript, 1 half , Baseline , EndFraction
a
x
a
2
x
2
+
1
1
2
5
6
powered by
powered by
"x"
x
"y"
y
"a" squared
a
2
"a" Superscript, "b" , Baseline
a
b
7
7
8
8
9
9
over
÷
functions
(
(
)
)
less than
<
greater than
>
4
4
5
5
6
6
times
×
| "a" |
|
a
|
,
,
less than or equal to
≤
greater than or equal to
≥
1
1
2
2
3
3
negative
−
A B C
StartRoot, , EndRoot
pi
π
0
0
.
.
equals
=
positive
+
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