涓夎鍑芥暟缁忓吀瑙ｉ鏂规硶涓庤�冪偣棰樺瀷
(
鏁欏笀
)
1
锛庢渶灏忔鍛ㄦ湡鐨勭‘瀹氥�?/p>
渚?/p>
1
姹傚嚱鏁?/p>
y
=s
in
(2
co
s|
x
|)
鐨勬渶灏忔鍛ㄦ湡銆?/p>
銆愯В銆?/p>
棣栧厛锛?/p>
T
=2蟺
鏄嚱鏁扮殑鍛ㄦ湡锛堜簨瀹炰笂锛屽洜涓?/p>
co
s(
-
x
)=
co
s
x
锛屾墍浠?/p>
cos
|
x
|=
co
s
x
锛?/p>
锛涘叾娆★紝
褰撲笖浠呭綋
x
=
k
蟺+
2
飦?
鏃讹紝
y
=0
锛堝洜涓?/p>
|2
co
s
x
|
鈮?/p>
2<蟺
锛?/p>
,
鎵�浠ヨ嫢鏈�灏忔鍛ㄦ湡涓?/p>
T
0
锛屽垯
T
0
=m蟺, m鈭?/p>
N
+
锛屽張
s
in
(2
co
s0)=s
in
2
飩?/p>
s
in
(2
co
s蟺)
锛屾墍浠?/p>
T
0
=2蟺
銆?/p>
杩囨墜缁冧範
1.
涓嬪垪鍑芥暟涓紝鍛ㄦ湡涓?
2
飦?
鐨勬槸
锛?/p>
锛?/p>
A
锛?/p>
sin
2
x
y
飥?/p>
B
锛?/p>
sin
2
y
x
飥?/p>
C
锛?/p>
cos
4
x
y
飥?/p>
D
锛?/p>
cos
4
y
x
飥?/p>
2
.
飥?/p>
飥?/p>
cos
6
f
x
x
飦?/p>
飦?/p>
飪?/p>
飪?
飥?/p>
飥?
飪?/p>
飪?/p>
飪?
飪?
鐨勬渶灏忔鍛ㄦ湡涓?
5
飦?
锛屽叾涓?/p>
0
飦?/p>
飥?/p>
锛屽垯
飦?/p>
=
3.
锛?/p>
04
鍏ㄥ浗锛夊嚱鏁?/p>
|
2
sin
|
x
y
飥?/p>
鐨勬渶灏忔鍛ㄦ湡鏄紙
锛?/p>
.
4.
锛?/p>
1
锛?/p>
锛?/p>
04
鍖椾含锛夊嚱鏁?/p>
x
x
x
f
cos
sin
)
(
飥?/p>
鐨勬渶灏忔鍛ㄦ湡鏄?/p>
.
锛?/p>
2
锛?/p>
锛?/p>
04
姹熻嫃锛夊嚱鏁?/p>
)
(
1
cos
2
2
R
x
x
y
飪?/p>
飥?/p>
飥?/p>
鐨勬渶灏忔鍛ㄦ湡涓猴紙
锛?/p>
.
5.
(09
骞村箍涓滄枃
)
鍑芥暟
1
)
4
(
cos
2
2
飥?/p>
飥?
飥?/p>
飦?
x
y
鏄?/p>
( )
A
锛庢渶灏忔鍛ㄦ湡涓?/p>
飦?/p>
鐨勫鍑芥暟
B.
鏈�灏忔鍛ㄦ湡涓?/p>
飦?/p>
鐨勫伓鍑芥暟
C.
鏈�灏忔鍛ㄦ湡涓?
2
飦?/p>
鐨勫鍑芥暟
D.
鏈�灏忔鍛ㄦ湡涓?/p>
2
飦?
鐨勫伓鍑芥暟
6.
锛堟禉姹熷嵎
2
锛夊嚱鏁?/p>
鐨勬渶灏忔鍛ㄦ湡鏄?/p>
.
2
锛庝笁瑙掓渶鍊奸棶棰樸�?/p>
渚?/p>
2
宸茬煡鍑芥暟
y
=s
inx
+
x
2
cos
1
飥?/p>
锛屾眰鍑芥暟鐨勬渶澶у�间笌鏈�灏忓�笺�?/p>
銆愯В娉曚竴銆?/p>
浠?/p>
s
inx
=
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飩?/p>
飩?/p>
飥?/p>
飥?/p>
飦?/p>
飦?
飦?/p>
飦?/p>
4
3
0
4
sin
2
cos
1
,
cos
2
2
x
,
鍒欐湁
y
=
).
4
sin(
2
sin
2
cos
2
飦?
飦?/p>
飦?/p>
飦?/p>
飥?
飥?/p>
飥?/p>
鍥犱负
飦?/p>
飦?
4
3
0
4
飩?/p>
飩?/p>
锛屾墍浠?/p>
飦?/p>
飦?
飦?/p>
飦?/p>
飩?/p>
飥?/p>
飩?/p>
4
2
锛?/p>
鎵�浠?/p>
)
4
sin(
0
飦?
飦?/p>
飥?/p>
飩?/p>
鈮?/p>
1
锛?/p>
鎵�浠ュ綋
飦?/p>
飦?/p>
4
3
飥?/p>
锛屽嵆
x
=2
k
蟺
-
2
飦?
(
k
鈭?/p>
Z
)
鏃讹紝
y
m
in
=0
锛?/p>
褰?/p>
4
飦?
飦?/p>
飥?
锛屽嵆
x
=2
k
蟺+
2
飦?
(
k
鈭?/p>
Z
)
鏃讹紝
y
m
ax
=2.
2
(sin
cos
)
1
y
x
x
飥?/p>
飥?/p>
飥?/p>