±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 421  |  »Ø¸´: 1

×·ÇóÃÔã

Í­³æ (ÕýʽдÊÖ)

[½»Á÷] ÓÃmatlab½üËÆÇ󶨻ý·Ö£¬ÀÏÊÇÓо¯¸æ

c£½3000; nn£½0;
for t£½0:1e-4:0.025
nn£½nn£«1;
s(nn)£½quadl(\'w1\',1,1e4);
end

w1Îļþ
function t£½w1(f)
t£½cos(f*(t-x0/c));

ÎÒÖªµÀÆäËû·½·¨¿ÉÒÔÇó½â£¬µ«ÊÇÈç¹ûÎÒÏëÒªÓÃquadlº¯ÊýµÄ»°ÈçºÎÐ޸ģ¬Ð»ÁË

[ ·¢×ÔÊÖ»ú°æ http://muchong.com/3g ]
»Ø¸´´ËÂ¥
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

×·ÇóÃÔã

Í­³æ (ÕýʽдÊÖ)

w1ÎļþºóÃæÊÇcos(2*pi*f*(t-x0/c))

[ ·¢×ÔÊÖ»ú°æ http://muchong.com/3g ]
2Â¥2013-01-21 22:01:25
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ ×·ÇóÃÔã µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] Çóµ÷¼Á +11 111623 2026-04-04 11/550 2026-04-05 11:38 by lqwchd
[¿¼ÑÐ] ¿¼Ñе÷¼Á +3 mcbbc 2026-04-04 3/150 2026-04-05 10:03 by barlinike
[¿¼ÑÐ] 0854Çóµ÷¼Á +4 assdll 2026-04-04 4/200 2026-04-05 09:44 by zhq0425
[¿¼ÑÐ] 341Çóµ÷¼Á +3 ѧÎÞÖ¹¾³£¬³å 2026-04-05 3/150 2026-04-05 09:40 by lbsjt
[¿¼ÑÐ] 323·Ö£¨¼ÆËã»úÊÓ¾õºÍ´óÄ£ÐÍÏîÄ¿£©ÄÜÖ±½ÓÉÏÊÖ +3 chaoxiicy 2026-04-01 3/150 2026-04-05 00:50 by chongya
[¿¼ÑÐ] 26¿¼Ñе÷¼Á0710 0860 +9 ²¹²¹²»²¹ 2026-04-03 14/700 2026-04-04 23:32 by ¹û¶³´óÍõ
[¿¼ÑÐ] 294Çóµ÷¼Á +6 Grey_Ey 2026-04-02 9/450 2026-04-04 22:07 by hemengdong
[¿¼ÑÐ] 324Çóµ÷¼Á +14 ÏëÉÏѧÇóµ÷ 2026-04-02 15/750 2026-04-04 20:31 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 306Çóµ÷¼Á +3 hybÉÏÃû¹¤ 2026-04-02 3/150 2026-04-04 18:12 by ÈÈÇéɳĮ
[¿¼ÑÐ] 319Çóµ÷¼Á +4 ÐÇÐDz»Õ£ÑÛà¶ 2026-04-03 4/200 2026-04-04 16:25 by ÖзÉÔº¿Õ¹ÜѧԺÑ
[¿¼ÑÐ] Çó²ÄÁϵ÷¼Á£¬Ò»Ö¾Ô¸Ö£ÖÝ´óѧ289·Ö +15 ˶ÐǸ° 2026-04-03 15/750 2026-04-04 01:01 by userper
[¿¼ÑÐ] 081200-11408-276ѧ˶Çóµ÷¼Á +6 ´Þwj 2026-04-02 6/300 2026-04-03 10:19 by À¶ÔÆË¼Óê
[¿¼ÑÐ] Ò»Ö¾Ô¸¸´µ©²ÄÁÏ£¬Ó¢Ò»×¨Ë¶£¬×Ü·Ö357µ÷¼Á +4 1050389037 2026-04-02 5/250 2026-04-02 21:40 by dongzh2009
[¿¼ÑÐ] 085602»¯¹¤Çóµ÷¼Á£¨331·Ö£© +9 111@127 2026-03-30 9/450 2026-04-02 20:00 by dick_runner
[¿¼ÑÐ] 08¿ªÍ·¿´¹ýÀ´£¡£¡£¡ +4 wwwwffffff 2026-03-31 6/300 2026-04-02 11:42 by ¾ùÖµ»Ø¹é
[¿¼ÑÐ] 11408 321·ÖÇóµ÷¼Á +3 huchun12138 2026-03-30 4/200 2026-04-01 22:48 by guanxin1001
[¿¼ÑÐ] 379Çóµ÷¼Á +3 ?¿à¹Ï²»¿à 2026-04-01 3/150 2026-04-01 20:09 by ÄºÔÆÇ庮
[¿¼ÑÐ] Çóµ÷¼Á£¬Ò»Ö¾Ô¸±±ÁÖʳƷÓëÓªÑø095500£¬301·Ö£¬ÒѹýÁù¼¶£¬ÓпÆÑо­Àú +4 ¿ìÀÖ´¢Ðî¹Þ 2026-03-31 4/200 2026-04-01 09:26 by JourneyLucky
[¿¼ÑÐ] 262Çóµ÷¼Á +7 ZZ..000 2026-03-30 8/400 2026-03-31 10:05 by cal0306
[¿¼ÑÐ] 297 µØÀíѧ070500 ¸´ÊÔÇóµ÷¼Á +3 СԲȦȦooo 2026-03-30 3/150 2026-03-30 21:05 by ÓàÕðyz
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û