clear all %清除变量空间
clc %清除命令窗口所有数据
close all%关闭所有figure窗口
%原始数据(数据的观测值)
t=[180.2765 142.0578 144.3468 162.9770 162.4291 155.9222 138.5277 102.8312 83.5869 72.8513 79.0808 91.1803 105.3043 133.0886 145.1205 157.8613 166.2188 178.8939 186.3464 197.0789 201.2846 205.8074 212.5775 230.1380 257.0261 261.9494 277.6952 287.9413 323.6987 341.2410 362.2328 349.1145 327.8113 309.5506 284.4804 267.5968 280.9621 292.8386 280.7403 275.5985 295.2937 311.9612 283.7099 263.8883 240.1151 216.3069 210.6901 205.0096 221.3911 239.5620 225.7349 218.1170 219.2152 221.1780 233.5779 232.2105 237.9637 243.4968 256.7063 272.1351 267.1167 269.5870 262.1218 269.6670 280.1923 322.7444 335.0296 341.8247 361.6160 385.9714 404.1148 404.7883 411.1636 430.5193 450.4735 458.7248 439.8990 416.3864 435.2980 456.1061 474.5139 438.8004 422.6961 407.1043 387.4609 409.5970 405.1349 418.3396 410.0315 428.0895 440.1112 448.9522 448.6835 431.9526 438.5849 416.6013 392.0175 354.7529 334.4469 308.2322 294.8430 284.7936 284.9750 268.0210 268.4696 262.4332 244.9428 227.3615 213.0830 190.5764 169.9311 139.9264 103.2090 97.4034 89.9977 92.3952 99.0787 87.6730 81.6182 81.8702 68.9988 72.8937 82.3369 88.2867 88.1196 91.3969 94.5271 107.0215 112.5955 103.5667 87.6034 80.9884 89.6301 92.1727 82.0127 74.5181 80.9073 76.5799 65.0276 69.1717 85.2337 99.2816 106.7452 107.3353 110.7723 120.7537 133.2279 147.7372 150.9522 153.1051 149.8121 141.6559 143.8782 149.6471 159.0136 163.5253 160.8448 162.2113 168.1205 201.4637 231.5242 242.9053 242.3206 272.5859 298.1625 308.0720 304.5538 305.1599 328.3246 336.1594 321.8840 340.1567 344.7753 356.1796 392.2807 437.3628 451.9887 454.5163 457.0468 460.3039 459.4401 443.8585 452.4976 464.6923 476.5141 486.6586 486.8618 478.7678 529.2344 598.6202 632.6679 603.2828 574.7691 577.8059 572.7899 630.8764 605.9254 562.4121 525.7664 445.5560 429.9421 451.3749 458.9798 412.5405 363.7364 340.0650 313.2948 321.0610 322.2567 330.8766 341.6290 365.4048 408.1756 390.1095 377.1622 412.3540 408.0364 409.9147 413.6076 400.9545 372.0438 350.2927 325.3926 303.8474 321.8322 336.4640 393.1759 396.2855 422.8962 494.0391 528.3413 476.3839 455.7297 467.6800 485.9744 506.7495 572.0884 581.6814 591.9418 668.0305 690.6656 741.5889 813.8702 840.0925 884.2993 917.0862 951.0821 1.0072e+03 1.0355e+03 1.0386e+03 1.0581e+03 1.0952e+03 1.1440e+03 1.1423e+03 1.1769e+03 1.2177e+03 574.7691 577.8059 572.7899 630.8764 605.9254 562.4121 525.7664 445.5560 429.9421 451.3749 458.9798 412.5405 363.7364 340.0650 313.2948 321.0610 322.2567 330.8766 341.6290 365.4048 408.1756 390.1095 377.1622 412.3540 408.0364 409.9147 413.6076 400.9545 372.0438 350.2927 325.3926 303.8474 321.8322 336.4640 393.1759 396.2855 422.8962 494.0391 528.3413 476.3839 455.7297 467.6800 485.9744 506.7495 572.0884 581.6814 591.9418 668.0305 690.6656 741.5889 813.8702 840.0925 884.2993 917.0862 951.0821 1.0072e+03 1.0355e+03 1.0386e+03 1.0581e+03 1.0952e+03 1.1440e+03 1.1423e+03 1.1769e+03 1.2177e+03 574.7691 577.8059 572.7899 630.8764 605.9254 562.4121 525.7664 445.5560 429.9421 451.3749 458.9798 412.5405 363.7364 340.0650 313.2948 321.0610 322.2567 330.8766 341.6290 365.4048 408.1756 390.1095 377.1622 412.3540 408.0364 409.9147 413.6076 400.9545 372.0438 350.2927 325.3926 303.8474 321.8322 336.4640 393.1759 396.2855 422.8962 494.0391 528.3413 476.3839 455.7297 467.6800 485.9744 506.7495 572.0884 581.6814 591.9418 668.0305 690.6656 741.5889 813.8702 840.0925 884.2993 917.0862 951.0821 1.0072e+03 1.0355e+03 1.0386e+03 1.0581e+03 1.0952e+03 1.1440e+03 1.1423e+03 1.1769e+03 1.2177e+03 574.7691 577.8059 572.7899 630.8764 605.9254 562.4121 525.7664 445.5560 429.9421 451.3749 458.9798 412.5405 363.7364 340.0650 313.2948 321.0610 322.2567 330.8766 341.6290 365.4048 408.1756 390.1095 377.1622 412.3540 408.0364 409.9147 413.6076 400.9545 372.0438 350.2927 325.3926 303.8474 321.8322 336.4640 393.1759 396.2855 422.8962 494.0391 528.3413 476.3839 455.7297 467.6800 485.9744 506.7495 572.0884 581.6814 591.9418 668.0305 690.6656 741.5889 813.8702 840.0925 884.2993 917.0862 951.0821 1.0072e+03 1.0355e+03 1.0386e+03 1.0581e+03 1.0952e+03 1.1440e+03 1.1423e+03 1.1769e+03 1.2177e+03 574.7691 577.8059 572.7899 630.8764 605.9254 562.4121 525.7664 445.5560 429.9421 451.3749 458.9798 412.5405 363.7364 340.0650 313.2948 321.0610 322.2567 330.8766 341.6290 365.4048 408.1756 390.1095 377.1622 412.3540 408.0364 409.9147 413.6076 400.9545 372.0438 350.2927 325.3926 303.8474 321.8322 336.4640 393.1759 396.2855 422.8962 494.0391 528.3413 476.3839 455.7297 467.6800 485.9744 506.7495 572.0884 581.6814 591.9418 668.0305 690.6656 741.5889 813.8702 840.0925 884.2993 917.0862 951.0821 1.0072e+03 1.0355e+03 1.0386e+03 1.0581e+03 1.0952e+03 1.1440e+03 1.1423e+03 1.1769e+03 1.2177e+03 1.3432e+03 1.3787e+03 1.3796e+03 1.3803e+03 1.4031e+03 1.4468e+03 1.4669e+03 1.5226e+03 1.5446e+03 1.5451e+03 1.5632e+03 1.5760e+03 1.5702e+03 1.5623e+03 1.5270e+03 1.5309e+03 1.5605e+03 1.5574e+03 1.5462e+03 1.5408e+03 1.5097e+03 1.5050e+03 1.5404e+03 1.6090e+03 1.6181e+03 1.5037e+03 1.4118e+03 1.3310e+03 1.3111e+03 1.3545e+03 1.3709e+03 1.3169e+03 1.3153e+03 1.3578e+03 1.3513e+03 1.3400e+03 1.3567e+03 1.3809e+03 1.3965e+03 1.3618e+03 1.3704e+03 1.3246e+03 1.2666e+03 1.3235e+03 1.2792e+03 1.2618e+03 1.2691e+03 1.2308e+03 1.2134e+03 1.2623e+03 1.2629e+03 1.2835e+03 1.3704e+03 1.4039e+03 1.3823e+03 1.3662e+03 1.3621e+03 1.3530e+03 1.3818e+03 1.3761e+03 1.3947e+03 1.3756e+03 1.3548e+03 1.3383e+03 574.7691 577.8059 572.7899 630.8764 605.9254 562.4121 525.7664 445.5560 429.9421 451.3749 458.9798 412.5405 363.7364 340.0650 313.2948 321.0610 322.2567 330.8766 341.6290 365.4048 408.1756 390.1095 377.1622 412.3540 408.0364 409.9147 413.6076 400.9545 372.0438 350.2927 325.3926 303.8474 321.8322 336.4640 393.1759 396.2855 422.8962 494.0391 528.3413 476.3839 455.7297 467.6800 485.9744 506.7495 572.0884 581.6814 591.9418 668.0305 690.6656 741.5889 813.8702 840.0925 884.2993 917.0862 951.0821 1.0072e+03 1.0355e+03 1.0386e+03 1.0581e+03 1.0952e+03 1.1440e+03 1.1423e+03 1.1769e+03 1.2177e+03 574.7691 577.8059 572.7899 630.8764 605.9254 562.4121 525.7664 445.5560 429.9421 451.3749 458.9798 412.5405 363.7364 340.0650 313.2948 321.0610 322.2567 330.8766 341.6290 365.4048 408.1756 390.1095 377.1622 412.3540 408.0364 409.9147 413.6076 400.9545 372.0438 350.2927 325.3926 303.8474 321.8322 336.4640 393.1759 396.2855 422.8962 494.0391 528.3413 476.3839 455.7297 467.6800 485.9744 506.7495 572.0884 581.6814 591.9418 668.0305 690.6656 741.5889 813.8702 840.0925 884.2993 917.0862 951.0821 1.0072e+03 1.0355e+03 1.0386e+03 1.0581e+03 1.0952e+03 1.1440e+03 1.1423e+03 1.1769e+03 1.2177e+03 26.3849 24.0788 19.9259 17.0537 12.3777 10.0078 8.5122 8.3797 8.3745 9.0117 8.6998 7.9585 7.5373 7.0723 6.8714 7.3874 9.5204 11.0226 12.0824 10.6273 9.9510 10.6567 10.9913 12.0127 13.9819 15.5484 19.5186 25.0001 37.3520 47.3075 56.2151 51.4856 47.3316 60.2429 65.8001 80.6302 92.4288 101.5565 98.5532 97.3192 98.0972 97.5625 119.2782 129.8199 145.1561 167.7403 193.5675 206.2754 211.3760 220.9627 247.9019 227.2537 207.9082 241.3321 302.3851 405.0649 523.0928 499.1514 461.4225 513.9982 683.3138 849.6615 822.9212 872.4615 926.4284 969.9994 983.5009 1.0113e+03 1.0508e+03 1.0546e+03 1.0395e+03 1.0971e+03 1.0945e+03 1.0992e+03 1.1722e+03 1.1960e+03 1.1981e+03 1.1968e+03 1.1822e+03 1.1921e+03 1.1622e+03 1.1985e+03 1.2136e+03 1.1746e+03 1.1529e+03 1.1255e+03 1.1164e+03 1.1426e+03 1.1336e+03 1.1200e+03 1.1084e+03 1.1217e+03 1.1433e+03 1.1884e+03 1.2347e+03 1.2642e+03 1.2796e+03 1.3077e+03 1.3281e+03 1.3474e+03 1.3759e+03 1.3830e+03 1.3849e+03 1.3865e+03 1.4302e+03 1.4496e+03 1.4427e+03 1.4480e+03 1.4035e+03 1.4266e+03 1.3927e+03 1.3756e+03 1.3499e+03 1.3441e+03 1.3550e+03 1.3159e+03 1.3073e+03 1.2608e+03 1.2644e+03 1.2776e+03 1.2627e+03 1.2990e+03 1.3160e+03 1.3677e+03 1.4213e+03 1.4859e+03 1.4630e+03 1.4191e+03 1.4567e+03 1.4610e+03 1.4689e+03 1.4763e+03 1.4822e+03 1.4863e+03 1.4868e+03 1.5163e+03 1.4711e+03 1.3