______________________________________________________________________________________________________________
绮惧搧璧勬枡
澶嶆暟鐨勪笁瑙掑舰寮?/p>
1
銆佸鏁扮殑涓夎褰㈠紡
(1)
澶嶆暟鐨勫箙瑙掞細璁惧鏁?/p>
Z=a
锛?/p>
bi
瀵瑰簲鍚戦噺
锛屼互
x
杞寸殑姝?
鍗婅酱涓哄杈癸紝鍚戦噺
鎵�鍦ㄧ殑灏勭嚎
(
璧风偣涓?/p>
O)
涓虹粓杈圭殑瑙?/p>
胃
锛屽彨鍋?
澶嶆暟
Z
鐨勮緪瑙掞紝璁颁綔
ArgZ
锛屽叾涓�傚悎
0
鈮の?/p>
<2
蟺
鐨勮緪瑙?/p>
胃
鐨勫�硷紝
鍙仛杈愯鐨勪富鍊硷紝璁颁綔
argZ
锛?/p>
璇存槑锛?/p>
涓嶇瓑浜庨浂鐨勫鏁?/p>
Z
鐨勮緪瑙掓湁鏃犻檺澶氫釜鍊硷紝
杩欎簺鍊间腑鐨?/p>
浠绘剰涓や釜鐩稿樊
2
蟺
鐨勬暣鏁板�嶏紟
(2)
澶嶆暟鐨勪笁瑙掑舰寮忥細
r(cos
胃
锛?/p>
isin
胃
)
鍙仛澶嶆暟
Z=a
锛?/p>
bi
鐨勪笁
瑙掑舰寮忥紝鍏朵腑
锛?/p>
璇存槑锛氫换浣曚竴涓鏁?/p>
Z=a
锛?/p>
bi
鍧囧彲琛ㄧず鎴?/p>
r(cos
胃
锛?/p>
isin
胃
)
鐨?/p>
褰㈠紡锛庡叾涓?/p>
r
涓?/p>
Z
鐨勬ā锛?/p>
胃
涓?/p>
Z
鐨勪竴涓緪瑙掞紟
2
銆佸鏁扮殑涓夎褰㈠紡鐨勮繍绠楋細
璁?/p>
Z=r(cos
胃
锛?/p>
isin
胃
)
锛?/p>
Z
1
=r
1
(cos
胃
1
锛?/p>
isin
胃
1
)
锛?/p>
Z
2
=r
2
(cos
胃
2
锛?/p>
isin
胃
2
)
锛庡垯
