浼樼瀛︿範璧勬枡
娆㈣繋涓嬭浇
绗竷绔?/p>
缁冧範棰?/p>
1
銆佸湪纾佹劅寮哄害涓?/p>
B
飦?
鐨勫潎鍖�纾佸満涓綔涓�鍗婂緞涓?/p>
r
鐨勫崐鐞冮潰
S
锛?/p>
S
杈圭嚎
鎵�鍦ㄥ钩闈㈢殑娉曠嚎鏂瑰悜鍗曚綅鐭㈤噺
n
飦?
涓?/p>
B
飦?/p>
鐨勫す瑙掍负
飦?/p>
锛屽垯閫氳繃鍗婄悆闈?/p>
S
鐨勭閫氶噺
(
鍙栧集闈㈠悜澶栦负姝?/p>
)
涓?/p>
(A)
飦?/p>
r
2
B
锛?/p>
.
(B)
2
飥狅伆
r
2
B
锛?/p>
(C)
-
飦?/p>
r
2
B
sin
飦?/p>
锛?/p>
(D)
-
飦?/p>
r
2
B
cos
飦?/p>
锛?/p>
2
銆佸鍥炬墍绀猴紝鐢垫祦
I
鐢遍暱鐩村绾?/p>
1
缁?/p>
a
鐐规祦鍏ョ敱鐢甸樆鍧囧寑鐨勫绾?/p>
鏋勬垚鐨勬鏂瑰舰绾挎锛?/p>
鐢?/p>
b
鐐规祦鍑猴紝
缁忛暱鐩村绾?/p>
2
杩斿洖鐢垫簮
(
瀵肩嚎
1
銆?/p>
2
鐨勫欢闀跨嚎鍧囬�氳繃
O
鐐?/p>
)
锛庤杞芥祦瀵肩嚎
1
銆?/p>
2
鍜屾鏂瑰舰绾挎涓殑鐢?
娴佸湪妗嗕腑蹇?/p>
O
鐐逛骇鐢熺殑纾佹劅寮哄害鍒嗗埆鐢?/p>
1
B
飦?/p>
銆?/p>
2
B
飦?
銆?/p>
3
B
飦?/p>
琛ㄧず锛屽垯
O
鐐圭殑纾佹劅寮哄害澶у皬
(A)
B
= 0
锛屽洜涓?/p>
B
1
=
B
2
=
B
3
= 0
锛?/p>
(B)
B
= 0
锛屽洜涓鸿櫧鐒?/p>
B
1
鈮?/p>
0
銆?/p>
B
2
鈮?/p>
0
銆?/p>
B
3
鈮?/p>
0
锛屼絾
0
3
2
1
飥?/p>
飥?/p>
飥?/p>
B
B
B
飦?
飦?/p>
飦?/p>
锛?/p>
(C)
B
鈮?/p>
0
锛屽洜涓鸿櫧鐒?/p>
0
2
1
飥?/p>
飥?/p>
B
B
飦?
飦?/p>
锛屼絾
B
3
鈮?/p>
0
锛?/p>
(D)
B
鈮?/p>
0
锛屽洜涓鸿櫧鐒?/p>
B
3
= 0
锛屼絾
0
2
1
飩?/p>
飥?/p>
B
B
飦?
飦?/p>
锛?/p>
3
銆侀�氭湁鐢垫祦
I
鐨勬棤闄愰暱鐩村绾挎湁濡傚浘涓夌褰㈢姸锛屽垯
P
锛?
Q
锛?/p>
O
鍚勭偣纾佹劅寮哄害鐨勫ぇ灏?/p>
B
P
锛?/p>
B
Q
锛?/p>
B
O
闂寸殑鍏崇郴涓猴細
(A)
B
P
>
B
Q
>
B
O
.
(B)
B
Q
>
B
P
>
B
O
锛?/p>
(C)
B
Q
>
B
O
>
B
P
锛?/p>
(D)
B
O
>
B
Q
>
B
P
锛?/p>
4
銆佺鍦虹敱娌跨┖蹇冮暱鍦嗙瓛褰㈠浣撶殑鍧囧寑鍒嗗竷鐨勭數娴?/p>
浜х敓锛屽渾绛掑崐寰勪负
R
锛?/p>
x
鍧愭爣杞村瀭鐩村渾绛掕酱绾匡紝鍘?
鐐瑰湪涓績杞寸嚎涓婏紟鍥?/p>
(A)
锝?/p>
(E)
鍝竴鏉℃洸绾胯〃绀?/p>
B
锛?/p>
x
鐨勫叧绯伙紵
锛?/p>
锛?/p>
5
銆佸鍥撅紝涓ゆ牴鐩村绾?/p>
ab
鍜?/p>
cd
娌垮崐寰勬柟鍚戣鎺ュ埌涓�涓埅闈㈠澶?/p>
鐩哥瓑鐨勯搧鐜笂锛?/p>
绋虫亽鐢垫祦
I
浠?/p>
a
绔祦鍏ヨ�屼粠
d
绔祦鍑猴紝
鍒欑鎰熷己
搴?/p>
B
飦?
娌垮浘涓棴鍚堣矾寰?/p>
L
鐨勭Н鍒?/p>
飪?/p>
飪?/p>
L
l
B
飦?/p>
飦?/p>
d
(A)
I
0
飦?/p>
锛?/p>
(B)
I
0
3
1
飦?/p>
锛?/p>
(C)
4
/
0
I
飦?/p>
锛?/p>
(D)
3
/
2
0
I
飦?/p>
锛?/p>
n
飦?
B
飦?/p>
飦★�?/p>
S
I
I
a
b
1
2
O
a
I
I
I
a
a
a
a
2
a
I
P
Q
O
I
a
O
B
x
O
R
(A)
B
x
O
R
(B)
B
x
O
R
(D)
B
x
O
R
(C)
B
x
O
R
(E)
x
鐢垫祦
鍦嗙瓛
I
I
a
b
c
d
L
120
掳