| ²é¿´: 851 | »Ø¸´: 6 | ||
| µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû | ||
yyyy-ͳæ (СÓÐÃûÆø)
|
[ÇóÖú]
¹òÇóÅ£È˰ïÎÒ½âÊÍÏÂÏÂÃæµÄ³ÌÐò ÒÑÓÐ2È˲ÎÓë
|
|
|
function [f, amplitude, pha]= transferfunction(fs, x, y) %fs---sample frequency %x---input array %y---output array if nargin < 2, error ('input arguments are not enough.'); end [row_x,column_x]=size(x); [row_y,column_y]=size(y); if row_x ~= row_y error ('the length of x and y must be same.'); end NFFT=length(x); Pxx=fft(x); Pyy=fft(y); %Syy = Pyy((1:floor(NFFT/2)+1)).*conj(Pyy(1:floor(NFFT/2)+1)); %yigao Sxy = Pxx((1:floor(NFFT/2)+1)).*conj(Pyy(1:floor(NFFT/2)+1)); Sxx = Pxx(1:floor(NFFT/2)+1).*conj(Pxx(1:floor(NFFT/2)+1)); Hxy = Sxy./Sxx; %Gxx = 2*Sxx; %yigao %Gyy = 2*Syy; %yigao %Gxy = 2*Sxy; %yigao %rr = (abs(Gxy).*abs(Gxy))./(Gxx.*Gyy); f = fs/2*linspace(0,1,length(x)/2+1); amplitude = 20*log10(abs(Hxy)); %·ùÖµ£¬·Ö±´ pha = phase(Hxy)*180/pi; %Ïà룬¶È |
» ²ÂÄãϲ»¶
¼«Æ¬Ä£ÇлúÔõôѡ£¿ï®ÓÅһƪ½²Ç徫¶È¡¢¹¤ÒÕÓëÑ¡ÐÍÂß¼
ÒѾÓÐ0È˻ظ´
±±¾©¸ßУ¸±Ð£³¤ÍŶÓÕÐÊÕ»úеÀ࣬»·¾³Ààѧ˶ºÍר˶
ÒѾÓÐ6È˻ظ´
»úе¹¤³ÌÂÛÎÄÈóÉ«/·ÒëÔõôÊÕ·Ñ?
ÒѾÓÐ77È˻ظ´
Öйú¼ÆÁ¿¿ÆÑ§Ñо¿ÔºÕñ¶¯Óë¹ßÐÔʵÑéÊÒ2026Äêµ÷¼ÁÕÐÉúÒ»Ãû
ÒѾÓÐ3È˻ظ´
±±¾©¸ßУ¸±Ð£³¤ÍŶÓÕÐÊÕ»úеÀ࣬»·¾³Ààѧ˶ºÍר˶
ÒѾÓÐ0È˻ظ´
Ò»Ö¾Ô¸±±¾©¿Æ¼¼´óѧ 085501 348·Ö Ëļ¶Òѹý Çóµ÷¼Á
ÒѾÓÐ0È˻ظ´
Ò»Ö¾Ô¸±±¾©¿Æ¼¼´óѧ 085501 348·Ö Ëļ¶Òѹý Çóµ÷¼Á
ÒѾÓÐ0È˻ظ´
085502³µÁ¾¹¤³Ì281·Ö½ÓÊÜ¿äרҵ£¬ÇóbÇø08רҵÊÕÁô¸ÊÔ¸µ±Å£×öÂí
ÒѾÓÐ0È˻ظ´
»úеר˶376Çóµ÷¼Á£¬±¾¿ÆºþÄÏ´óѧ
ÒѾÓÐ0È˻ظ´
±±¾©¸ßУ¸±Ð£³¤ÍŶÓÕÐÊÕ»úеÀ࣬»·¾³Ààѧ˶ºÍר˶
ÒѾÓÐ6È˻ظ´
337Ò»Ö¾Ô¸»ªÄÏÀí¹¤²ÄÁÏÇóµ÷¼Á
ÒѾÓÐ1È˻ظ´
» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:
ÇóÖú£¡£¡£¡£¡ËÄܰïÎÒÀí½âÒ»ÏÂÕâ¾ä»°
ÒѾÓÐ13È˻ظ´
¶ÔÓÚij¸ö·Ö×ӽṹµÄһЩÏà¹ØÐÅÏ¢Óë´ó¼Ò½»Á÷һϰ¡
ÒѾÓÐ9È˻ظ´
¹ØÓÚÒ»È˶àÖ¤ÎÊÌ⣬ѰÇóÓÐÕæÊµ¾ÀúµÄÅ£È˽âÊÍ
ÒѾÓÐ18È˻ظ´
ÇóÖú´ó¼Ò°ïÎÒ¿´¿´Õâ¾ä»°ÊÇʲôÒâ˼£¬Éó¸åÈËÒªÇóÐÞ¸ÄͼƬ
ÒѾÓÐ19È˻ظ´
ÇëÎÊÒ»ÏÂmatlabÕâ¸öÊÇʲôÎÊÌâ
ÒѾÓÐ10È˻ظ´
±È±íÃæ»ý´ó ¿×¾¶Ð¡ Çó½âÊÍ
ÒѾÓÐ7È˻ظ´
°ïÎÒ¿´Ò»ÏÂÊÇʲôÒâ˼£¬É¾³ý֮ǰͶµÄÂð£¿
ÒѾÓÐ3È˻ظ´
Éó¸åÈËÊÇʲôÒâ˼£¬ÎÒ¸ÃÔõô»Ø´ð£¬ÇóÅ£ÈËÖ¸µã
ÒѾÓÐ21È˻ظ´
°ïÎÒ¿´Ò»ÏÂÈýÑõ»¯¶þÌúµÄ´ÅÖÍ»ØÏßÊôÓÚʲô´ÅÐÔ£¬Ë³´Å£¬Ìú´Å»¹ÊÇʲôµÄ£¿
ÒѾÓÐ5È˻ظ´
Çë½ÌmathematicÎÊÌ⣿¹ØÓÚ½â΢·Ö·½³Ì×éµÄºÍ»Í¼µÄһЩÎÊÌâ¡£
ÒѾÓÐ19È˻ظ´
ÏßÐÔÇúÏßÄâºÏºóû¾¹ýԵ㣬Ôõô½âÊÍÔÒò!!! »Ø´ðÓн±£¬»¶ÓÅ£È˽øÀ´ÌÖÂÛ
ÒѾÓÐ15È˻ظ´
ÇëÅ£È˰ïæ¿´ÏÂÕâ¸öQCÊÇʲôÒâ˼£¡ÊµÔڸ㲻¶®£¡
ÒѾÓÐ3È˻ظ´
Çë¶®Ó¢ÓïµÄÈ˰ïÎÒ¿´¿´Õâ¾ä»°ÊÇɶÒâ˼ѽ£¿
ÒѾÓÐ9È˻ظ´
Mathematica ¼òµ¥ ËÄÔªÒ»´Î·½³Ì×é £¬Çó½âÎÊÌâ~
ÒѾÓÐ9È˻ظ´
Çë½Ì¸÷λ¼ÆËãÅ£ÈËÓйØHOMO/LUMOÄܼ«²îµÄÎÊÌ⣬Íò¼±£¡
ÒѾÓÐ29È˻ظ´
ѰÊìϤ¡°Applied Catalysis B: Environmental¡±ÆÚ¿¯Í¶¸åÁ÷³ÌµÄÅ£ÈË£¬¼±¼±¼±£¡£¡£¡
ÒѾÓÐ12È˻ظ´
ÇëÎÊcopyºÍreprint·ÑÓ÷ֱðÊÇɶÒâ˼£¿
ÒѾÓÐ3È˻ظ´
ACSÔÓÖ¾µÄmake a decsionÊÇʲôÒâ˼£¿
ÒѾÓÐ25È˻ظ´
ÇëÎÊһϣ¬ÕâÀïÃæµÄmMÊÇʲôÒâ˼¡£
ÒѾÓÐ9È˻ظ´
Å£È˰ïÎÒ¿´Ò»Ï£¬±à¼ÕâÊÇʲôÒâ˼
ÒѾÓÐ3È˻ظ´
¡¾ÌÖÂÛ¡¿Ç³Ì¸ÓлúÅ£ÈË
ÒѾÓÐ35È˻ظ´
ÈçºÎÏòNCBIÌá½»ÐòÁС¾ÒÑËÑÎÞÖØ¸´¡¿
ÒѾÓÐ92È˻ظ´

terrynew
Ìú¸Ëľ³æ (СÓÐÃûÆø)
×Ô¶¨ÒåÍ·ÏÎ
- Ó¦Öú: 51 (³õÖÐÉú)
- ½ð±Ò: 7870.9
- ºì»¨: 10
- Ìû×Ó: 264
- ÔÚÏß: 59.7Сʱ
- ³æºÅ: 1292868
- ×¢²á: 2011-05-11
- ÐÔ±ð: GG
- רҵ: »úе½á¹¹Ç¿¶Èѧ

5Â¥2015-04-01 11:31:40
µûÁµ»¨¶ù
½ð³æ (СÓÐÃûÆø)
- Ó¦Öú: 42 (СѧÉú)
- ½ð±Ò: 2448.9
- ºì»¨: 6
- Ìû×Ó: 207
- ÔÚÏß: 103.5Сʱ
- ³æºÅ: 3245661
- ×¢²á: 2014-05-31
- ÐÔ±ð: GG
- רҵ: »úе¹¤³Ì

2Â¥2015-03-31 21:04:42
yyyy-
ͳæ (СÓÐÃûÆø)
- Ó¦Öú: 1 (Ó×¶ùÔ°)
- ½ð±Ò: 98.5
- Ìû×Ó: 109
- ÔÚÏß: 24.1Сʱ
- ³æºÅ: 2735684
- ×¢²á: 2013-10-18
- ÐÔ±ð: GG
- רҵ: Áã¼þ³ÉÐÎÖÆÔì

3Â¥2015-03-31 21:26:42
µûÁµ»¨¶ù
½ð³æ (СÓÐÃûÆø)
- Ó¦Öú: 42 (СѧÉú)
- ½ð±Ò: 2448.9
- ºì»¨: 6
- Ìû×Ó: 207
- ÔÚÏß: 103.5Сʱ
- ³æºÅ: 3245661
- ×¢²á: 2014-05-31
- ÐÔ±ð: GG
- רҵ: »úе¹¤³Ì

4Â¥2015-04-01 09:01:17













»Ø¸´´ËÂ¥
Ϲ˵µÄ
yyyy-