璇炬椂璺熻釜妫�娴嬶紙涓冿級
浜ゅ彉鐢垫祦
1
锛庡鍥炬墍绀虹殑鍚勫浘鍍忎腑琛ㄧず浜ゅ彉鐢垫祦鐨勬槸
(
)
瑙ｆ瀽锛氶�?/p>
D
B
銆?/p>
C
涓ゅ浘鍍忎腑锛岃櫧鐒剁數娴佸ぇ灏忛殢鏃堕棿鍋氬懆鏈熸�у彉鍖栵紝浣嗘柟鍚戜粠鍥句笂鐪嬪湪
t
杞翠竴渚ф柟鍚戜笉鍙橈紝鏁呬笉鏄氦鍙樼數娴併�?/p>
A
鍥句腑鐢垫祦鐨勬柟鍚戞病鍙戠敓鍙樺寲锛?/p>
涓嶆槸浜ゅ彉鐢垫祦銆?/p>
D
鍥句腑锛?/p>
浠庡浘涓婄湅鐢垫祦鍒嗗竷鍦?/p>
t
杞翠袱渚э紝鐢垫祦鐨勫ぇ灏忋�佹柟鍚戝潎鍋氬懆鏈熸�у彉鍖栵紝鏄氦鍙樼數娴侊紝鏁呴�?/p>
D
銆?/p>
2.
(
澶氶�?/p>
)
鏌愮嚎鍦堝湪鍖�寮虹鍦轰腑鍖�閫熻浆鍔紝绌胯繃瀹冪殑纾侀�氶噺
桅
闅忔椂闂村彉鍖栫殑瑙勫緥濡傚浘
1
鎵�绀猴紝鍒?/p>
(
)
鍥?/p>
1
A
锛?/p>
t
1
鏃跺埢锛岀┛杩囩嚎鍦堢殑纾侀�氶噺鐨勫彉鍖栫巼鏈�澶?/p>
B
锛?/p>
t
2
鏃跺埢锛岀┛杩囩嚎鍦堢殑纾侀�氶噺鐨勫彉鍖栫巼涓洪浂
C
锛?/p>
t
3
鏃跺埢锛岀嚎鍦堜腑鐨勬劅搴旂數鍔ㄥ娍涓洪浂
D
锛?/p>
t
4
鏃跺埢锛岀嚎鍦堜腑鐨勬劅搴旂數鍔ㄥ娍鏈�澶?/p>
瑙ｆ瀽锛氶�?/p>
CD
t
1
鏃跺埢锛岀┛杩囩嚎鍦堢殑
桅
鏈�澶э紝浣?/p>
螖
桅
螖
t
涓洪浂锛?/p>
A
閿欒锛?/p>
t
2
鏃跺埢锛岀┛杩囩嚎鍦?
鐨?/p>
桅
绛変簬闆讹紝浣?/p>
螖
桅
螖
t
鏈�澶э紝
B
閿欒锛?/p>
t
3
鏃跺埢锛?/p>
桅
鏈�澶э紝
螖
桅
螖
t
绛変簬闆讹紝鎰熷簲鐢靛姩鍔跨瓑浜庨浂锛?/p>
C
姝ｇ‘锛?/p>
t
4
鏃跺埢锛?/p>
桅
绛変簬闆讹紝浣?/p>
螖
桅
螖
t
鏈�澶э紝鎰熷簲鐢靛姩鍔挎渶澶э紝
D
姝ｇ‘銆?/p>
3
锛庝竴浜ゆ祦鍙戠數鏈虹殑鎰熷簲鐢靛姩鍔?/p>
e
锛?/p>
E
m
sin
蠅
t
锛屽灏嗙嚎鍦堢殑鍖濇暟澧炲姞涓�鍊嶏紝鐢垫灑鐨勮浆閫?/p>
涔熷鍔犱竴鍊嶏紝鍏朵粬鏉′欢涓嶅彉锛屾劅搴旂數鍔ㄥ娍鐨勮〃杈惧紡灏嗗彉涓?/p>
(
)
A
锛?/p>
e
鈥诧紳
2
E
m
sin 2
蠅
t
B
锛?/p>
e
鈥诧紳
2
E
m
sin 4
蠅
t
C
锛?/p>
e
鈥诧紳
4
E
m
sin 2
蠅
t
D
锛?/p>
e
鈥诧紳
4
E
m
sin 4
蠅
t
瑙ｆ瀽锛氶�?/p>
C
e
锛?/p>
E
m
sin
蠅
t
锛?/p>
NBS
蠅
sin
蠅
t
锛岀幇
N
鈥诧紳
2
N
锛?/p>
蠅
鈥诧紳
2
蠅
锛屽垯
E
m
鈥诧紳
4
E
m
锛?/p>
鎵�浠ユ劅搴旂數鍔ㄥ娍鐨勭灛鏃跺�艰〃杈惧紡灏嗗彉涓?/p>
e
鈥诧紳
4
E
m
sin 2
蠅
t
銆?/p>
4.
濡傚浘
2
鎵�绀猴紝涓�鐭╁舰绾垮湀
abcd
锛屽凡鐭?/p>
ab
杈归暱涓?/p>
l
1
锛?/p>
bc
杈归暱涓?/p>
l
2
锛屽湪纾佹劅搴斿己搴︿负
B
鐨勫寑寮虹鍦轰腑缁?/p>
OO
鈥茶酱浠ヨ閫熷害
蠅
浠庡浘绀轰綅缃紑濮嬪寑閫熻浆鍔紝
鍒?/p>
t
鏃跺埢绾垮湀涓殑鎰熷簲鐢靛姩
鍔夸负
(
)