Equally resampled 2-D data

Question

BeeTiaw 2018-11-30

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/433045-equally-resampled-2-d-data

评论： BeeTiaw 2018-11-30

采纳的回答： Image Analyst

在 MATLAB Online 中打开

Hi expert,

I need an advise to resample my discreete dataset. The original data is not equally resampled from

as can be seen below.

How to resample this data so that x and y is equally sampled in

?

data=[
%  theta	   x	    y
%============================
8054	-0.0335	-1.0621
5751	-0.0837	-1.0459
7798	-0.142	-1.0394
3173	-0.1647	-1.0038
0656	-0.1906	-0.9746
668	-0.2311	-0.9503
7506	-0.3429	-0.905
7449	-0.4773	-0.8353
5489	-0.5972	-0.7495
2374	-0.6895	-0.6604
7498	-0.764	-0.581
5654	-0.8402	-0.4741
2659	-0.9033	-0.3785
6275	-0.9584	-0.2635
4402	-0.9779	-0.1647
4683	-0.9892	-0.0092
2921	-0.9892	0.1091
3782	-0.9762	0.2322
0317	-0.9455	0.3261
9068	-0.9082	0.4217
4199	-0.8742	0.493
1803	-0.8143	0.574
2148	-0.7689	0.6274
051	-0.7219	0.6744
7678	-0.6782	0.7214
2864	-0.6328	0.7619
8179	-0.5988	0.7894
4262	-0.5713	0.8607
886	-0.5616	0.8947
3594	-0.5275	0.9271
8913	-0.487	0.9514
6306	-0.4611	0.9725
5687	-0.4141	1.0032
4221	-0.3672	1.0324
661	-0.3299	1.0567
8883	-0.291	1.0778
8535	-0.257	1.1004
4665	-0.2279	1.1166
7811	-0.1841	1.1344
865	-0.1436	1.1474
4297	-0.1129	1.1571
2079	-0.0578	1.1847
5238	-0.0302	1.1733
6241	-0.0076	1.1523
0876	0.0216	1.1377
1762	0.0815	1.1166
6031	0.1091	1.1118
3578	0.1415	1.0956
3605	0.1787	1.0842
9111	0.2073	1.0756
9861	0.2441	1.0583
4375	0.2851	1.0324
6204	0.3369	1
2258	0.3758	0.9676
0089	0.4017	0.946
5098	0.4471	0.8963
1226	0.5356	0.8531
7475	0.6048	0.8099
9678	0.7063	0.7322
4444	0.7819	0.6458
3529	0.8726	0.5378
6746	0.9417	0.406
59	0.9827	0.2894
1648	1.0043	0.1922
9611	1.0043	0.0886
       1.0043	0
0619	1	-0.0011
5601	0.9968	-0.1323
9053	0.9595	-0.2554
1448	0.9141	-0.372
548	0.8477	-0.4806
1102	0.7765	-0.5664
8385	0.7052	-0.6539
8413	0.6339	-0.7252
042	0.5545	-0.7932
5713	0.4428	-0.8531
6252	0.4185	-0.8823
9012	0.378	-0.9309
0016	0.3553	-0.9762
8805	0.3197	-1.0378
9868	0.2905	-1.0832
5788	0.2662	-1.1156
5309	0.2273	-1.1204
21	0.1722	-1.1139
393	0.1075	-1.0945
2068	0.0718	-1.0832
1906	0.0151	-1.0702
];