ÌâÄ¿ÄÚÈÝ
£¨2008?½ÒÑô¶þÄ££©[ÊʺÏÑ¡ÐÞ3-4Ä£¿éµÄ¿¼Éú]
£¨1£©×ö¼òгÔ˶¯µÄÖʵ㣬ÔÚ²»Í¬Ê±¿Ìͨ¹ýͬһȷ¶¨Î»Ö㨷ÇƽºâλÖúÍ×î´óλÒÆ´¦£©Ê±±Ø¶¨ÏàͬµÄÎïÀíÁ¿ÊÇÏÂÁеÄÄÄЩ
a£®¼ÓËٶȣ»b£®Ëٶȣ»c£®Î»ÒÆ£»d£®»Ø¸´Á¦£»e£®¶¯ÄÜ£»f£®ÊÆÄÜ£»g£®¶¯Á¿£®![](http://thumb.1010pic.com/pic3/upload/images/201307/40/8f29af26.png)
£¨2£©ÈçͼËùʾ£¬ºì¹âºÍ×Ϲâ·Ö±ð´Ó½éÖÊ1ºÍ½éÖÊ2ÖÐÒÔÏàͬµÄÈëÉä½ÇÉäµ½½éÖʺÍÕæ¿ÕµÄ½çÃ棬·¢ÉúÕÛÉäʱµÄÕÛÉä½ÇÒ²Ïàͬ£®ÇëÄã¸ù¾Ýºì¹âÔÚ½éÖÊ1Óë×ϹâÔÚ½éÖÊ2µÄ´«²¥¹ý³ÌÖеÄÇé¿ö£¬Ìá³öÈý¸ö²»Í¬µÄ¹âѧÎïÀíÁ¿£¬²¢±È½Ïÿ¸ö¹âѧÎïÀíÁ¿µÄ´óС£®
£¨1£©×ö¼òгÔ˶¯µÄÖʵ㣬ÔÚ²»Í¬Ê±¿Ìͨ¹ýͬһȷ¶¨Î»Ö㨷ÇƽºâλÖúÍ×î´óλÒÆ´¦£©Ê±±Ø¶¨ÏàͬµÄÎïÀíÁ¿ÊÇÏÂÁеÄÄÄЩ
a¡¢c¡¢d¡¢e¡¢f
a¡¢c¡¢d¡¢e¡¢f
£»ÔÚͨ¹ýƽºâλÖÃʱ¾ßÓÐ×î´óÖµµÄÎïÀíÁ¿ÊÇÏÂÁеÄÄÄЩb¡¢e¡¢g
b¡¢e¡¢g
£®£¨Ìî´úºÅ£©a£®¼ÓËٶȣ»b£®Ëٶȣ»c£®Î»ÒÆ£»d£®»Ø¸´Á¦£»e£®¶¯ÄÜ£»f£®ÊÆÄÜ£»g£®¶¯Á¿£®
![](http://thumb.1010pic.com/pic3/upload/images/201307/40/8f29af26.png)
£¨2£©ÈçͼËùʾ£¬ºì¹âºÍ×Ϲâ·Ö±ð´Ó½éÖÊ1ºÍ½éÖÊ2ÖÐÒÔÏàͬµÄÈëÉä½ÇÉäµ½½éÖʺÍÕæ¿ÕµÄ½çÃ棬·¢ÉúÕÛÉäʱµÄÕÛÉä½ÇÒ²Ïàͬ£®ÇëÄã¸ù¾Ýºì¹âÔÚ½éÖÊ1Óë×ϹâÔÚ½éÖÊ2µÄ´«²¥¹ý³ÌÖеÄÇé¿ö£¬Ìá³öÈý¸ö²»Í¬µÄ¹âѧÎïÀíÁ¿£¬²¢±È½Ïÿ¸ö¹âѧÎïÀíÁ¿µÄ´óС£®
·ÖÎö£º£¨1£©¼òгÔ˶¯¾ßÓÐÖÜÆÚÐÔ£¬Ã¿´Îͨ¹ýͬһλÖÃʱ£¬Ò»¶¨ÏàͬµÄÎïÀíÁ¿ÊÇλÒÆ¡¢¼ÓËٶȡ¢»Ø¸´Á¦¡¢¶¯ÄܺÍÊÆÄÜ£®ÔÚͨ¹ýƽºâλÖÃʱ¾ßÓÐ×î´óÖµµÄÎïÀíÁ¿ÓÐËٶȣ¬ÒÔ¼°ÓëËÙ¶ÈÓйصÄÁ¿£®
£¨2£©¸ù¾ÝÕÛÉäÂʹ«Ê½n=
¡¢v=
¡¢ÁÙ½ç½Ç¹«Ê½sinC=
½øÐзÖÎö£®
£¨2£©¸ù¾ÝÕÛÉäÂʹ«Ê½n=
sini |
sinr |
c |
n |
1 |
n |
½â´ð£º½â£º£¨1£©¸ù¾Ý¼òгÔ˶¯µÄÖÜÆÚÐÔ¿ÉÖª£¬Öʵãͨ¹ýͬһȷ¶¨Î»ÖÃʱλÒÆÒ»¶¨Ïàͬ£¬¸ù¾ÝF=-kx¡¢a=-
¿ÉÖª£¬»Ø¸´Á¦¡¢¼ÓËÙ¶ÈÒ²Ïàͬ£®¸ù¾Ýϵͳ»úеÄÜÊغãµÃÖª£¬¶¯ÄܺÍÊÆÄÜÒ²Ïàͬ£®¹ÊÏàͬµÄÎïÀíÁ¿ÓУºa¡¢c¡¢d¡¢e¡¢f£»
ͨ¹ýƽºâλÖÃʱ£¬ËÙ¶È×î´ó£¬Ôò¶¯ÄÜ¡¢¶¯Á¿Ò²×î´ó£®¹ÊÔÚͨ¹ýƽºâλÖÃʱ¾ßÓÐ×î´óÖµµÄÎïÀíÁ¿ÓУºb¡¢e¡¢g£®
£¨2£©ÓÉÌ⣬ºì¹âÓë×ϹâÔÚÁ½ÖÖ½éÖÊÖÐÈëÉä½ÇºÍÕÛÉä½ÇÏàµÈ£¬ÓÉÕÛÉäÂʹ«Ê½n=
Öª£º½éÖÊ1¶Ôºì¹âµÄÕÛÉäÂʵÈÓÚ½éÖÊ2¶Ô×ϹâµÄÕÛÉäÂÊ£»
Óɹ«Ê½v=
Öª£¬ºì¹âÔÚ½éÖÊ1ÖеĴ«²¥ËٶȺÍ×ϹâÔÚ½éÖÊ2ÖеĴ«²¥ËÙ¶ÈÏàµÈ£»
ÓÉÁÙ½ç½Ç¹«Ê½sinC=
Öª£¬ºì¹âÔÚ½éÖÊ1Öз¢ÉúÈ«·´ÉäµÄÁÙ½ç½ÇÓë×ϹâÔÚ½éÖÊ2Öз¢ÉúÈ«·´ÉäµÄÁÙ½ç½ÇÏàµÈ
¹Ê´ð°¸Îª£º
£¨1£©a¡¢c¡¢d¡¢e¡¢f£»b¡¢e¡¢g£®
£¨2£©¢Ù½éÖÊ1¶Ôºì¹âµÄÕÛÉäÂʵÈÓÚ½éÖÊ2¶Ô×ϹâµÄÕÛÉäÂÊ£»
¢Úºì¹âÔÚ½éÖÊ1ÖеĴ«²¥ËٶȺÍ×ϹâÔÚ½éÖÊ2ÖеĴ«²¥ËÙ¶ÈÏàµÈ£»
¢Ûºì¹âÔÚ½éÖÊ1Öз¢ÉúÈ«·´ÉäµÄÁÙ½ç½ÇÓë×ϹâÔÚ½éÖÊ2Öз¢ÉúÈ«·´ÉäµÄÁÙ½ç½ÇÏàµÈ
kx |
m |
ͨ¹ýƽºâλÖÃʱ£¬ËÙ¶È×î´ó£¬Ôò¶¯ÄÜ¡¢¶¯Á¿Ò²×î´ó£®¹ÊÔÚͨ¹ýƽºâλÖÃʱ¾ßÓÐ×î´óÖµµÄÎïÀíÁ¿ÓУºb¡¢e¡¢g£®
£¨2£©ÓÉÌ⣬ºì¹âÓë×ϹâÔÚÁ½ÖÖ½éÖÊÖÐÈëÉä½ÇºÍÕÛÉä½ÇÏàµÈ£¬ÓÉÕÛÉäÂʹ«Ê½n=
sini |
sinr |
Óɹ«Ê½v=
c |
n |
ÓÉÁÙ½ç½Ç¹«Ê½sinC=
1 |
n |
¹Ê´ð°¸Îª£º
£¨1£©a¡¢c¡¢d¡¢e¡¢f£»b¡¢e¡¢g£®
£¨2£©¢Ù½éÖÊ1¶Ôºì¹âµÄÕÛÉäÂʵÈÓÚ½éÖÊ2¶Ô×ϹâµÄÕÛÉäÂÊ£»
¢Úºì¹âÔÚ½éÖÊ1ÖеĴ«²¥ËٶȺÍ×ϹâÔÚ½éÖÊ2ÖеĴ«²¥ËÙ¶ÈÏàµÈ£»
¢Ûºì¹âÔÚ½éÖÊ1Öз¢ÉúÈ«·´ÉäµÄÁÙ½ç½ÇÓë×ϹâÔÚ½éÖÊ2Öз¢ÉúÈ«·´ÉäµÄÁÙ½ç½ÇÏàµÈ
µãÆÀ£º´Ó±¾Ìâ¿´³öÔÚͬһ½éÖÊÖÐ×Ϲâ±Èºì¹âµÄÕÛÉäÂÊ´ó£»ÔÚͬһ½éÖÊÖкì¹â±È×ϹâµÄ´«²¥Ëٶȴó£»ÔÚͬһ½éÖÊÖкì¹â±È×ϹⷢÉúÈ«·´ÉäµÄÁÙ½ç½Ç´óµÈ£®
![](http://thumb2018.1010pic.com/images/loading.gif)
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿