vol87.dat

用于实现非均匀采样FFT（NDFT）

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14.731	8.193	1550
14.773	8.142	1550
14.826	8.090	1550
14.879	8.047	1550
14.935	8.004	1550
14.989	7.968	1550
15.042	7.929	1550
15.093	7.894	1550
15.146	7.874	1550
15.197	7.849	1550
15.247	7.819	1550
15.298	7.780	1550
15.349	7.734	1550
15.395	7.683	1550
15.448	7.634	1550
15.498	7.586	1550
15.549	7.534	1550
15.593	7.483	1550
15.637	7.430	1550
15.678	7.379	1550
15.711	7.326	1550
15.730	7.274	1550
15.736	7.221	1550
15.736	7.171	1550
15.750	7.118	1550
15.767	7.062	1550
15.791	7.003	1550
15.818	6.947	1550
15.847	6.892	1550
15.868	6.839	1550
15.885	6.789	1550
15.907	6.734	1550
15.927	6.683	1550
15.949	6.626	1550
15.977	6.567	1550
16.003	6.510	1550
16.039	6.454	1550
16.073	6.403	1550
16.103	6.351	1550
16.129	6.300	1550
16.167	6.244	1550
16.201	6.194	1550
16.240	6.142	1550
16.291	6.088	1550
16.342	6.038	1550
16.392	5.993	1550
16.448	5.939	1550
16.498	5.895	1550
16.553	5.852	1550