MATLAB 傅里叶变换。对一组计算出的数据进行傅里叶变换,已知各个时间t(时间间隔不同)以及对应数据值x。
0-171.363E-09911.16E-09141.366E-091.45786E-061.32147E-062.09435E-0635.0139E-062.69203...
0 -171.363E-09
911.16E-09 141.366E-09
1.45786E-06 1.32147E-06
2.09435E-06 35.0139E-06
2.69203E-06 128.036E-06
3.25367E-06 290.105E-06
3.7933E-06 520.773E-06
4.3194E-06 810.92E-06
4.83157E-06 1.14574E-03
5.33745E-06 1.49828E-03
5.83689E-06 1.83409E-03
6.33034E-06 2.14105E-03
6.81809E-06 2.39421E-03
7.30087E-06 2.56435E-03
7.77678E-06 2.64637E-03
8.2493E-06 2.65331E-03
8.71476E-06 2.55704E-03
9.17626E-06 2.41058E-03
9.63335E-06 2.19616E-03
10.0913E-06 1.96281E-03
10.5471E-06 1.68177E-03
11.4453E-06 1.19997E-03
11.8864E-06 1.01219E-03
12.3219E-06 857.018E-06
12.7527E-06 759.623E-06
13.1805E-06 687.852E-06
13.6068E-06 649.192E-06
14.0309E-06 626.649E-06
14.8795E-06 596.805E-06
15.3052E-06 569.57E-06
15.7303E-06 519.102E-06
16.1556E-06 448.169E-06
16.5786E-06 349.7E-06
17.0006E-06 235.419E-06
17.8374E-06 -26.6922E-06
18.2531E-06 -157.152E-06
18.6681E-06 -275.046E-06
19.0818E-06 -370.316E-06
19.9093E-06 -455.027E-06
20.3238E-06 -430.906E-06
20.7391E-06 -359.201E-06
21.1559E-06 -241.722E-06
21.5744E-06 -83.9209E-06
22.4174E-06 316.482E-06
22.8422E-06 540.356E-06
23.2691E-06 752.551E-06
23.6984E-06 941.096E-06
24.1296E-06 1.09275E-03
24.5631E-06 1.19663E-03
25.435E-06 1.23401E-03
25.8732E-06 1.16258E-03
26.3129E-06 1.03489E-03
26.7533E-06 859.048E-06
27.1949E-06 646.344E-06
27.637E-06 411.946E-06
28.0798E-06 171.249E-06
28.5228E-06 -59.9165E-06
29.4096E-06 -441.671E-06
29.8532E-06 -574.605E-06
30.2963E-06 -661.596E-06
30.7395E-06 -701.272E-06
31.182E-06 -695.718E-06
31.6245E-06 -649.179E-06
32.0662E-06 -568.693E-06
32.5078E-06 -461.1E-06
33.3894E-06 -195.116E-06
33.8294E-06 -52.8924E-06
34.2693E-06 85.8883E-06
34.7087E-06 215.095E-06
35.1482E-06 330.763E-06
35.5873E-06 429.144E-06
36.0267E-06 508.562E-06
36.9068E-06 605.498E-06
37.3479E-06 622.865E-06
37.7899E-06 621.921E-06
38.2331E-06 604.788E-06
38.6777E-06 573.47E-06
39.1237E-06 530.029E-06
39.5712E-06 476.716E-06
40.0197E-06 415.768E-06
40.9201E-06 280.328E-06
41.3711E-06 210.963E-06
41.8224E-06 144.376E-06
42.2738E-06 83.7143E-06
42.7254E-06 30.8783E-06
43.1771E-06 -11.5601E-06
43.6287E-06 -41.1679E-06
44.0804E-06 -56.2895E-06
44.5322E-06 -56.1359E-06
45.4366E-06 -10.6157E-06
45.8894E-06 32.2349E-06
46.3558E-06 87.3674E-06
46.8199E-06 150.165E-06
47.2818E-06 216.853E-06
47.7418E-06 283.355E-06
48.2003E-06 345.607E-06
48.6577E-06 400.28E-06
49.1145E-06 444.221E-06
49.5713E-06 474.699E-06
50.0286E-06 489.763E-06
第一列是横坐标时间(时间间隔不同),第二列是纵坐标数值,如何傅里叶变换? 展开
911.16E-09 141.366E-09
1.45786E-06 1.32147E-06
2.09435E-06 35.0139E-06
2.69203E-06 128.036E-06
3.25367E-06 290.105E-06
3.7933E-06 520.773E-06
4.3194E-06 810.92E-06
4.83157E-06 1.14574E-03
5.33745E-06 1.49828E-03
5.83689E-06 1.83409E-03
6.33034E-06 2.14105E-03
6.81809E-06 2.39421E-03
7.30087E-06 2.56435E-03
7.77678E-06 2.64637E-03
8.2493E-06 2.65331E-03
8.71476E-06 2.55704E-03
9.17626E-06 2.41058E-03
9.63335E-06 2.19616E-03
10.0913E-06 1.96281E-03
10.5471E-06 1.68177E-03
11.4453E-06 1.19997E-03
11.8864E-06 1.01219E-03
12.3219E-06 857.018E-06
12.7527E-06 759.623E-06
13.1805E-06 687.852E-06
13.6068E-06 649.192E-06
14.0309E-06 626.649E-06
14.8795E-06 596.805E-06
15.3052E-06 569.57E-06
15.7303E-06 519.102E-06
16.1556E-06 448.169E-06
16.5786E-06 349.7E-06
17.0006E-06 235.419E-06
17.8374E-06 -26.6922E-06
18.2531E-06 -157.152E-06
18.6681E-06 -275.046E-06
19.0818E-06 -370.316E-06
19.9093E-06 -455.027E-06
20.3238E-06 -430.906E-06
20.7391E-06 -359.201E-06
21.1559E-06 -241.722E-06
21.5744E-06 -83.9209E-06
22.4174E-06 316.482E-06
22.8422E-06 540.356E-06
23.2691E-06 752.551E-06
23.6984E-06 941.096E-06
24.1296E-06 1.09275E-03
24.5631E-06 1.19663E-03
25.435E-06 1.23401E-03
25.8732E-06 1.16258E-03
26.3129E-06 1.03489E-03
26.7533E-06 859.048E-06
27.1949E-06 646.344E-06
27.637E-06 411.946E-06
28.0798E-06 171.249E-06
28.5228E-06 -59.9165E-06
29.4096E-06 -441.671E-06
29.8532E-06 -574.605E-06
30.2963E-06 -661.596E-06
30.7395E-06 -701.272E-06
31.182E-06 -695.718E-06
31.6245E-06 -649.179E-06
32.0662E-06 -568.693E-06
32.5078E-06 -461.1E-06
33.3894E-06 -195.116E-06
33.8294E-06 -52.8924E-06
34.2693E-06 85.8883E-06
34.7087E-06 215.095E-06
35.1482E-06 330.763E-06
35.5873E-06 429.144E-06
36.0267E-06 508.562E-06
36.9068E-06 605.498E-06
37.3479E-06 622.865E-06
37.7899E-06 621.921E-06
38.2331E-06 604.788E-06
38.6777E-06 573.47E-06
39.1237E-06 530.029E-06
39.5712E-06 476.716E-06
40.0197E-06 415.768E-06
40.9201E-06 280.328E-06
41.3711E-06 210.963E-06
41.8224E-06 144.376E-06
42.2738E-06 83.7143E-06
42.7254E-06 30.8783E-06
43.1771E-06 -11.5601E-06
43.6287E-06 -41.1679E-06
44.0804E-06 -56.2895E-06
44.5322E-06 -56.1359E-06
45.4366E-06 -10.6157E-06
45.8894E-06 32.2349E-06
46.3558E-06 87.3674E-06
46.8199E-06 150.165E-06
47.2818E-06 216.853E-06
47.7418E-06 283.355E-06
48.2003E-06 345.607E-06
48.6577E-06 400.28E-06
49.1145E-06 444.221E-06
49.5713E-06 474.699E-06
50.0286E-06 489.763E-06
第一列是横坐标时间(时间间隔不同),第二列是纵坐标数值,如何傅里叶变换? 展开
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