1
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1.
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2.
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,
浣嗗叾璁＄畻杩囩▼姣旇緝澶嶆潅
,
鎵�浠ヤ笉鏄眰瀹氱Н鍒嗙殑涓�
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,
涔熸槸姣旇緝涓�鑸殑鏂规硶銆?/p>
(1)
瀵兼暟鍜屽畾绉垎鐨勭洿瑙傚叧绯?/p>
:
濡備笅鍥?/p>
:
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s=s(t),
鐢卞鏁扮殑姒傚康鍙煡
,
瀹冨湪浠绘剰鏃?/p>
鍒?/p>
t
鐨勯�熷害
v(t)=s
锛?/p>
(t)
銆傝杩欎釜鐗╀綋鍦ㄦ椂闂存
[a,b]
鍐呯殑浣嶇Щ涓?/p>
s,
浣犺兘鍒嗗埆鐢?/p>
s(t)
銆?/p>
v(t)
琛ㄧず
s
鍚楋紵
涓�鏂归潰
,
杩欐璺▼鍙互閫氳繃浣嶇疆鍑芥暟
S(t)
鍦?/p>
[a,b]
涓婄殑澧為噺
s(b)
锛?/p>
s(a)
鏉ヨ〃杈?/p>
,
鍗?/p>
s=s(b)
锛?/p>
s(a)
銆?/p>
鍙︿竴鏂归潰
,
杩欐璺▼杩樺彲浠ラ�氳繃閫熷害鍑芥暟
v(t)
琛ㄧず涓?/p>
(
)d
b
a
v
t
t
飪?
,
鍗?/p>
s =
(
)d
b
a
v
t
t
飪?
銆?/p>
鎵�浠ユ湁
:
(
)d
b
a
v
t
t
飥?/p>
飪?
s(b)
锛?/p>
s(a)
(2)
瀵兼暟鍜屽畾绉垎鐨勭洿瑙傚叧绯荤殑鎺ㄨ瘉
:
涓婅堪缁撹鍙互鍒╃敤瀹氱Н鍒嗙殑鏂规硶鏉ユ帹璇?/p>
,
杩囩▼濡備笅
:
濡傚彸鍥?/p>
:
鐢ㄥ垎鐐?/p>
a=t
0
锛?/p>
t
1
锛溾�︼紲
t
i
锛?/p>
1
锛?/p>
t
i
锛溾�︼紲
t
n
=b,
灏嗗尯闂?/p>
[a,b]
绛夊垎鎴?/p>
n
涓皬鍖洪棿
:
[t
0
,t
1
],[t
1
,t
2
],
鈥?/p>
,[t
i
鈥?/p>
1
,t
i
],
鈥?/p>
,[t
n
鈥?/p>
1
,t
n
],
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