±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1638  |  »Ø¸´: 7
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

sfnever

Ìú³æ (³õÈëÎÄ̳)

[ÇóÖú] ¸µÀïÒ¶±ä»»

ÇóÖú£ºÏÖÔÚÓÐ×éÊý¾Ý£¨Ê±¼ä£¬´Å³¡£©£¬ÏëÓÃMATLAP½øÐиµÀïÒ¶±ä»»»­³öƵÓòͼ£¬Ö®Ç°Ã»ÓнӴ¥¹ýMATLAP£¬ÏëÎÊÈçºÎÓÃMATLAP»­³öƵÓòͼÏñ¡£
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

sfnever

Ìú³æ (³õÈëÎÄ̳)

ÒýÓûØÌû:
2Â¥: Originally posted by ×Äľ£¬×Äľ at 2017-06-19 19:32:05
Ïȸø³öw=2*pi/t,È»ºóÖ±½ÓÓÃfft£¬È»ºó¸ø³öƵÂÊÓëʱ¼äµÄͼ

Äܲ»ÄÜÓоßÌå²Ù×÷£¿»òÕßÎÒ¼ÓÄãQQϸÁÄ£¿
3Â¥2017-06-19 21:38:40
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 8 ¸ö»Ø´ð

×Äľ£¬×Äľ

гæ (СÓÐÃûÆø)

Ïȸø³öw=2*pi/t,È»ºóÖ±½ÓÓÃfft£¬È»ºó¸ø³öƵÂÊÓëʱ¼äµÄͼ

·¢×ÔСľ³æAndroid¿Í»§¶Ë
2Â¥2017-06-19 19:32:05
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

×Äľ£¬×Äľ

гæ (СÓÐÃûÆø)

Éϱߴò´íÁË£¬ÊǸø³öƵÂÊÓë´Å³¡Ç¿¶ÈµÄͼ  t=;w=2*pi/t;H=;%ÕâÀï¸ø³ö´Å³¡Óëʱ¼äµÄ¹ØÏµÊ½   H=fft(H);plot(w,H)

·¢×ÔСľ³æAndroid¿Í»§¶Ë

» ±¾ÌûÒÑ»ñµÃµÄºì»¨£¨×îÐÂ10¶ä£©

4Â¥2017-06-19 21:46:20
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

sfnever

Ìú³æ (³õÈëÎÄ̳)

Ëͺ컨һ¶ä
ÒýÓûØÌû:
4Â¥: Originally posted by ×Äľ£¬×Äľ at 2017-06-19 21:46:20
Éϱߴò´íÁË£¬ÊǸø³öƵÂÊÓë´Å³¡Ç¿¶ÈµÄͼ  t=;w=2*pi/t;H=;%ÕâÀï¸ø³ö´Å³¡Óëʱ¼äµÄ¹ØÏµÊ½   H=fft(H);plot(w,H)

ÄÇÈçºÎ°ÑͼƬµ¼ÈëMATLAPÖУ¬ÊǸöÐÂÊÖ£¬µ¼Èë¹ý³ÌÒ²²»Ì«»á£¬ÁíÍâ´Å³¡Óëʱ¼äµÄ¹ØÏµÊ½ÊǸø²»³öÀ´°É£¬Ö»ÓÐÊý¾Ý
5Â¥2017-06-20 10:22:45
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] һ־Ըɽ¶«´óѧ»¯Ñ§Ó뻯¹¤Ñ§Ôº²ÄÁÏÓ뻯¹¤×¨Ë¶£¬360·ÖÇóµ÷¼Á +3 ²»Ô¸Í¸Â¶ÐÕÃûµÄË 2026-04-02 3/150 2026-04-03 08:24 by jp9609
[¿¼ÑÐ] 298·Ö 070300Çóµ÷¼Á +9 zwen03 2026-04-02 9/450 2026-04-03 06:52 by jsw79
[¿¼ÑÐ] Ò»Ö¾Ô¸0817»¯Ñ§¹¤³ÌÓë¼¼Êõ£¬Çóµ÷¼Á +7 ÎÒ²»ÊÇÖ»Òò 2026-04-02 8/400 2026-04-03 00:15 by ÓêÌì³ÅÉ¡
[¿¼ÑÐ] Ò»Ö¾Ô¸´ó¹¤Ñ§Ë¶£¬Çóµ÷¼Á +4 yub0811 2026-04-02 4/200 2026-04-02 21:36 by °ÙÁéͯ888
[¿¼ÑÐ] »·¾³¿ÆÑ§Ó빤³Ì334·ÖÇóµ÷¼Á +7 ÍõÒ»Ò»ÒÀÒÀ 2026-03-30 9/450 2026-04-02 21:15 by 1104338198
[¿¼ÑÐ] µ÷¼Á +3 ºÃºÃ¶ÁÊé¡£ 2026-04-01 6/300 2026-04-02 15:49 by liumengping
[¿¼ÑÐ] ²ÄÁÏÇóµ÷¼Á Ò»Ö¾Ô¸¹þ¹¤´ó×Ü·Ö298·Ö£¬Ç°Èý¿Æ223·Ö +12 dongfang59 2026-03-27 12/600 2026-04-02 12:26 by ms629
[¿¼ÑÐ] 298ÇóBÇøµ÷¼Á +4 zzz£¬£¬r 2026-04-02 5/250 2026-04-02 12:17 by ÍÁľ˶ʿÕÐÉú
[¿¼ÑÐ] Çóµ÷¼Á£¬Ò»Ö¾Ô¸ ÄϾ©º½¿Õº½Ìì´óѧ £¬080500²ÄÁÏ¿ÆÑ§Ó빤³Ìѧ˶£¬×Ü·Ö289·Ö +11 @taotao 2026-03-29 11/550 2026-04-02 10:04 by realme321
[¿¼ÑÐ] 266Çóµ÷¼Á +4 ѧԱ97LZgn 2026-04-02 4/200 2026-04-02 09:52 by yulian1987
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +14 Ò»ÑùYWY 2026-04-01 14/700 2026-04-01 21:07 by lijunpoly
[¿¼ÑÐ] 070300Ò»Ö¾Ô¸211£¬312·ÖÇóµ÷¼ÁԺУ +14 С»ÆÑ¼±¦ 2026-03-30 14/700 2026-04-01 20:19 by Àµ´ºÑÞ
[¿¼ÑÐ] 299Çóµ÷¼Á +8 àÅàÅàÅàÅ2 2026-03-27 8/400 2026-03-31 18:23 by lizhi8172
[¿¼ÑÐ] 080500-315·Ö¸´ÊÔµ÷¼Á +9 Éϰ¶3821 2026-03-31 9/450 2026-03-31 17:29 by ÌÆãå¶ù
[¿¼ÑÐ] 289Çóµ÷¼Á +3 Acesczlo 2026-03-29 4/200 2026-03-31 14:48 by ÈÈÇéɳĮ
[¿¼ÑÐ] 286Çóµ÷¼Á +6 Faune 2026-03-30 6/300 2026-03-31 14:37 by jp9609
[¿¼ÑÐ] 0703»¯Ñ§321·ÖÇóµ÷¼Á +10 Èýdd. 2026-03-30 11/550 2026-03-30 19:24 by markhwc
[¿¼ÑÐ] 298Çóµ÷¼Á +4 ÖÖÊ¥´Í 2026-03-28 4/200 2026-03-29 08:42 by q1092522407
[¿¼ÑÐ] ±¾¿ÆË«·Ç²ÄÁÏ£¬¿ç¿¼Ò»Ö¾Ô¸»ªµç085801µçÆø£¬283Çóµ÷¼Á£¬ÈκÎרҵ¶¼¿ÉÒÔ +6 ֥ʿѩbaoo 2026-03-28 8/400 2026-03-29 08:16 by ËÉ»¨¸×1201
[¿¼ÑÐ] ¸´ÊÔµ÷¼Á +3 raojunqi0129 2026-03-28 3/150 2026-03-28 15:27 by ÂäÉ˼
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û