宸ョ▼鍔涘鏈熸湯鑰冭瘯棰樺強绛旀
涓�锛?/p>
閫夋嫨棰橈紙鍏?/p>
10
鍒嗭級
1
锛?/p>
(5
鍒?/p>
)
涓ゆ牴缁嗛暱鏉嗭紝鐩村緞銆佺害鏉熷潎鐩稿悓锛屼絾鏉愭枡涓嶅悓锛屼笖
E
1
=2E
2
鍒欎袱鏉嗕复鐣屽簲鍔涚殑鍏?/p>
绯绘湁鍥涚绛旀
:
(A)(
飦?/p>
cr
)
1
=(
飦?/p>
cr
)
2
锛?/p>
(B)(
飦?/p>
cr
)
1
=2(
飦?/p>
cr
)
2
锛?/p>
(C)(
飦?/p>
cr
)
1
=(
飦?/p>
cr
)
2
/2
锛?/p>
(D)(
飦?/p>
cr
)
1
=3(
飦?/p>
cr
)
2
銆?/p>
姝ｇ‘绛旀鏄?/p>
銆?/p>
2
锛?/p>
(5
鍒?/p>
)
宸茬煡骞抽潰鍥惧舰鐨勫舰蹇冧负
C
锛岄潰绉负
A
锛屽
z
杞寸殑鎯�х煩涓?/p>
I
z
锛屽垯鍥惧舰瀵?/p>
z
1
杞寸殑鎯?/p>
鎬х煩鏈夊洓绉嶇瓟妗?/p>
:
(A)I
z
+b
2
A
锛?/p>
(B)I
z
+(a+b)
2
A
锛?/p>
(C)I
z
+(a
2
-b
2
)A
锛?/p>
(D)I
z
+(b
2
-a
2
)A
銆?/p>
姝ｇ‘绛旀鏄?/p>
銆?/p>
z
z
C
z
1
a
b
C
浜岋紟
濉┖棰橈紙鍏?/p>
10
鍒嗭級
1
锛?/p>
(5
鍒?/p>
)
閾嗘帴澶寸殑杩炴帴鏉垮帤搴?/p>
t=d
锛屽垯閾嗛拤鍓簲鍔?/p>
飦?/p>
=
锛屾尋鍘嬪簲鍔?/p>
飦?/p>
bs
=
銆?/p>