搜索
 找回密码
 立即注册
查看: 395|回复: 3

图还在数据没了?MATLAB帮你搞定

[复制链接]
  • TA的每日心情
    郁闷
    2017-10-23 21:18
  • 签到天数: 39 天

    [LV.5]常住居民I

    19

    主题

    91

    帖子

    679

    积分

    版主

    Rank: 7Rank: 7Rank: 7

    积分
    679
    发表于 2017-3-24 16:22:04 | 显示全部楼层 |阅读模式
    本帖最后由 leopard 于 2017-3-24 16:30 编辑

    你是否因为丢失了图所对应的数据而烦恼吗?你要相信不止你一个,楼主也丢过几次数据。

    这里教大家一种通过图找回数据的方法。
    效果如下:
    原图:

    通过MATLAB编程找到数据之后,画出来图像如下:

    具体方法就是描点法啦,大家可以自己试试

    本帖子中包含更多资源

    您需要 登录 才可以下载或查看,没有帐号?立即注册

    x
  • TA的每日心情
    无聊
    2017-10-17 10:22
  • 签到天数: 172 天

    [LV.7]常住居民III

    37

    主题

    337

    帖子

    4131

    积分

    管理员

    Rank: 9Rank: 9Rank: 9

    积分
    4131
    发表于 2017-3-24 16:25:36 | 显示全部楼层
    这个不错,感谢分享~
  • TA的每日心情
    郁闷
    2017-10-23 21:18
  • 签到天数: 39 天

    [LV.5]常住居民I

    19

    主题

    91

    帖子

    679

    积分

    版主

    Rank: 7Rank: 7Rank: 7

    积分
    679
     楼主 发表于 2017-3-24 16:29:59 | 显示全部楼层
    1. a=[101.9716405727952, -29.88144278107103
    2. 104.1007910797701, -29.402601317099453
    3. 106.27439788710348, -28.923759853127876
    4. 108.6813413395917, -28.551327603372215
    5. 110.76031034333603, -28.20549765717052
    6. 111.90851253177031, -27.646849282537012
    7. 113.26286204799833, -26.955189390133626
    8. 115.42336642705361, -25.731483426650712
    9. 115.42725119060754, -26.29013180128421
    10. 114.83550433824618, -26.848780175917717
    11. 116.61934770651534, -25.093028141355276
    12. 117.82772137466824, -24.45457285605984
    13. 119.04861583761723, -23.816117570764405
    14. 120.28331747357828, -23.337276106792828
    15. 120.28967920123065, -24.215152124074052
    16. 120.91767034875338, -24.77380049870756
    17. 121.54952443273024, -25.412255784002994
    18. 122.8196119358194, -26.21032489062228
    19. 122.82433617161274, -26.848780175917717
    20. 122.82906058912305, -27.487235461213153
    21. 122.19760518538523, -27.80646310386087
    22. 123.47208992856287, -28.285304567832448
    23. 124.11729210665222, -28.923759853127876
    24. 124.12146947859789, -29.482408227761383
    25. 124.1262437901235, -30.12086351305682
    26. 124.77546416314654, -30.839125709014183
    27. 125.42747711033779, -31.47758099430962
    28. 125.43169857871827, -32.03622936894312
    29. 126.96049340528378, -32.75449156490048
    30. 126.09138434276679, -33.23333302887206
    31. 127.40648004654258, -33.71217449284364
    32. 127.41015553055068, -34.19101595681521
    33. 128.73900562628876, -34.669857420786784
    34. 128.74395755056855, -35.30831270608222
    35. 128.74890966532328, -35.946767991377655
    36. 129.42168581247327, -36.58522327667309
    37. 130.0979775446901, -37.223678561968526
    38. 130.77780323262843, -37.86213384726396
    39. 130.78157597420488, -38.340975311235525
    40. 133.51163110398528, -37.78232693660203
    41. 134.8950373962603, -37.1438716513066
    42. 136.29343341616303, -36.58522327667309
    43. 137.94289636975049, -35.8935633842697
    44. 140.57687928926887, -34.9890850634345
    45. 139.85552846819036, -35.46792652740608
    46. 142.27818175635522, -34.29742517103112
    47. 143.7501204800473, -33.39294685019592
    48. 144.23844073690216, -32.435263922252766
    49. 145.7301922013269, -31.47758099430962
    50. 145.73439629668155, -31.95642245828119
    51. 147.23454009861055, -30.200670423718748
    52. 147.2402034505247, -30.839125709014183
    53. 148.7615694239889, -29.72182895974717
    54. 151.08113347896406, -28.923759853127876
    55. 154.24309769067062, -29.242987495775594
    56. 156.12130200805203, -29.77503356685512
    57. 159.11667675783926, -30.360284245042607
    58. 162.44525408755652, -30.519898066366466
    59. 162.4499403871337, -30.998739530338042
    60. 165.83788070502715, -30.12086351305682
    61. 164.98769980842548, -30.679511887690325
    62. 167.84570619419787, -29.50901053131536
    63. 171.04985290284785, -28.524725299818236
    64. 170.17295242217185, -29.083373674451735
    65. 173.12078056495486, -27.91287231807678
    66. 176.42817235666794, -27.168007818565435
    67. 180.41878067645072, -26.31673410483819
    68. 179.18429683115164, -26.848780175917717
    69. 183.86559735745737, -25.571869605326853
    70. 182.9238754561189, -26.21032489062228
    71. 187.7037772655726, -25.013221230693347
    72. 189.64961767686827, -24.45457285605984
    73. 191.62668553915316, -24.853607409369488
    74. 193.6262259327142, -25.412255784002994
    75. 193.63274274234183, -25.9709041586365
    76. 195.65227476205996, -26.44974562260807
    77. 197.69382041306432, -27.008393997241576
    78. 199.75762913196067, -27.646849282537012
    79. 201.84298281578987, -28.285304567832448
    80. 203.95010638147795, -28.923759853127876
    81. 206.07625462145717, -29.322794406437524
    82. 210.3790917587055, -28.843952942465947
    83. 214.77280403099644, -28.444918389156307
    84. 219.25933203307352, -28.12569074650859
    85. 223.8374295838718, -27.646849282537012
    86. 222.68883875987024, -28.12569074650859
    87. 228.51221571940974, -27.247814729227365
    88. 231.2788493097436, -26.635961747485908
    89. 236.105641928188, -25.99750646219048
    90. 234.49013050719586, -26.52955253327
    91. 240.62327154505158, -25.731483426650712
    92. 245.65925555979405, -26.050711069298423
    93. 250.80063725628955, -26.36993871194614
    94. 253.41519501724864, -26.768973265255788
    95. 258.71392446592955, -26.768973265255788
    96. 264.1209067310861, -26.60935944393193
    97. 269.63700274410587, -26.21032489062228
    98. 275.274918524164, -26.21032489062228
    99. 281.03071906788415, -26.21032489062228
    100. 286.90686926088085, -26.21032489062228
    101. 299.03896348210935, -26.68916635459386
    102. 302.1607566612518, -27.327621639889294
    103. 302.1723792241265, -27.96607692518473
    104. 302.18400223406104, -28.604532210480166
    105. 308.9992574549391, -26.68916635459386
    106. 306.8869516101055, -27.327621639889294
    107. 306.89875596527696, -27.96607692518473
    108. 314.8863946848724, -25.093028141355276
    109. 314.8969927052522, -25.651676515988783
    110. 313.28264858521663, -26.21032489062228
    111. 318.1491502677142, -24.45457285605984
    112. 321.444168005347, -23.736310660102475
    113. 324.7748732102543, -23.097855374807047
    114. 328.1400901539523, -22.45940008951161
    115. 332.11293420037237, -21.847547107770154
    116. 338.4643062526903, -21.421910250906528
    117. 345.53138338514435, -20.94306878693495
    118. 352.7561960743033, -20.94306878693495
    119. 360.1355374550765, -21.10268260825881
    120. 364.524380737427, -21.794342500662196
    121. 371.51821893694705, -22.37959317884968
    122. 379.2900449097365, -22.53920700017354
    123. 387.21514168414876, -22.299786268187752
    124. 395.30773047003754, -22.140172446863893
    125. 403.56750965932235, -21.900751714878105
    126. 411.99591147941237, -21.501717161568457
    127. 416.9840112367522, -20.889864179827
    128. 424.9523395152664, -20.224806590977593
    129. 422.7737880318168, -20.783454965611092
    130. 430.09730479903715, -19.612953609236136
    131. 438.32254302426617, -19.18731675237251
    132. 447.4789460990996, -18.868089109724792
    133. 456.84419495894207, -19.18731675237251
    134. 466.4054483168089, -19.506544395020228
    135. 476.15765076012786, -19.506544395020228
    136. 486.10207867927403, -19.10750984171058
    137. 496.24942140403994, -18.548861467077074
    138. 506.62076815765926, -18.389247645753215
    139. 517.2063837556965, -18.149826913767427
    140. 528.9177298817883, -17.697587753349836
    141. 539.9562498414698, -17.0591324680544
    142. 550.2877367393405, -16.793109432514633
    143. 561.7830531562388, -16.473881789866915
    144. 573.5295327125505, -16.473881789866915
    145. 585.5131771839262, -16.234461057881127
    146. 597.7529625547264, -16.154654147219198
    147. 610.2486129542931, -16.074847236557268
    148. 622.999486274115, -15.83542650457148
    149. 636.0198414035875, -15.67581268324762
    150. 669.7318580969336, -14.239288291332898
    151. 666.2952216586851, -14.718129755304474
    152. 683.7354695180106, -14.239288291332898
    153. 698.0117497993086, -13.76044682736132
    154. 712.6032472015207, -13.680639916699391
    155. 727.4927750750423, -13.441219184713603
    156. 742.6862712876601, -13.042184631403956
    157. 758.2043705680745, -12.802763899418167
    158. 775.3839309463041, -12.589945470986365
    159. 790.2162760256849, -12.244115524784668
    160. 806.7197361400575, -11.84508097147502
    161. 823.5718264331024, -11.525853328827303
    162. 842.2324969162022, -11.313034900395493
    163. 858.343590443873, -10.967204954193797
    164. 876.2740848158431, -10.647977311546079
    165. 894.5662375332629, -10.089328936912572
    166. 889.9758945606749, -10.56817040088415
    167. 913.2665831002628, -10.009522026250643
    168. 932.3443993858361, -9.690294383602925
    169. 951.8253208900439, -9.450873651617144
    170. 971.6992716585211, -8.972032187645567
    171. 992.0072652841804, -8.812418366321708
    172. 1012.729946603362, -8.49319072367399
    173. 1033.8855174144712, -8.173963081026272
    174. 1050.0467606858988, -8.014349259702414
    175. 1088.7176767203982, -7.216280153083119
    176. 1113.35396126669, -6.5246202606797326
    177. 1105.7360321678993, -7.05666633175926
    178. 1128.8019030241383, -6.258597225139972
    179. 1158.3203963198143, -5.380721207858748
    180. 1182.5002436442257, -4.822072833225242
    181. 1207.2022559847053, -4.502845190577524
    182. 1232.4084337113075, -4.0240037266059545
    183. 1258.1469613111994, -3.624969173296307
    184. 1284.4106803416441, -3.066320798662801
    185. 1311.2604792325196, -2.9865138880008715
    186. 1338.6329387792155, -2.4278655133673652
    187. 1331.7639289221654, -2.906706977338942
    188. 1366.5833668025873, -1.949024049395792
    189. 1395.13081055365, -1.6297964067480741
    190. 1424.2609045278277, -1.1509549427764973
    191. 1454.0341845542248, -1.0711480321145679
    192. 1484.4155820639808, -0.831727300128783
    193. 1515.4390715916938, -0.6721134788049241
    194. 1547.1109354116895, -0.5124996574810652
    195. 1579.4599122490265, -0.5124996574810652
    196. 1612.485282923722, -0.5124996574810652
    197. 1646.2011903443918, -0.5124996574810652
    198. 1680.6220731376973, -0.5124996574810652
    199. 1715.7626718315971, -0.5124996574810652
    200. 1742.6162323589715, -0.6721134788049241
    201. 1788.392501073828, -1.7096033174100036
    202. 1825.7952803213907, -1.789410228071933
    203. 1864.0071946838334, -2.108637870719651
    204. 1886.70504251691, -2.640683941799182
    205. 1922.857519363374, -2.8269000666770125
    206. 1952.9617303750624, -3.066320798662801
    207. 2004.1960480408466, -3.5451622626343777
    208. 2035.563906060126, -3.7047760839582367
    209. 2067.4724068902347, -4.263424458591736
    210. 2110.7728069504697, -4.822072833225242
    211. 2154.980075048763, -5.380721207858748
    212. 2200.081470023362, -5.699948850506466
    213. 2246.1375876926377, -6.0989834038161135
    214. 2305.040963347978, -6.418211046463831
    215. 2365.5117852345597, -6.897052510435408
    216. 2415.0193804918003, -7.216280153083119
    217. 2465.5749704901727, -7.615314706392766
    218. 2569.8462028185113, -8.173963081026272
    219. 2623.642910223036, -8.57299763433592
    220. 2664.7186004358105, -8.812418366321708
    221. 2706.4764086935065, -9.291259830293285
    222. 2767.897933725657, -9.663692080048953
    223. 2820.9898176699808, -10.169135847574502
    224. 2857.8797819850383, -9.999999999999993

    225. ];
    226. b=[134.7748722175775, -29.56573649218091
    227. 173.14458349670304, -30.814448918438053
    228. 231.5572812478269, -28.282259574866558
    229. 304.1527977761051, -23.076715984642753
    230. 406.70535913833686, -22.88217529731248
    231. 526.467987266324, -18.89970971064706
    232. 686.5254463855358, -13.470830602116301
    233. 891.9622500347496, -8.709499953179133
    234. 1150.4483416098574, -4.504050004682085
    235. 1533.2174556104967, 0.4774557542841116
    236. 1976.4037406937603, -4.77900552486188
    237. 2575.657973787159, -9.702570465399383
    238. ];
    239. c=[117.5378145630184, -14.829362254975607
    240. 137.30036274861754, -23.521892377356373
    241. 156.20246647863183, -39.471443285324504
    242. 175.27814035615455, -25.143991626427947
    243. 195.6336820211496, -13.349173864847145
    244. 214.7497119626405, -18.849337881667687
    245. 235.81442599787047, -18.688446382518862
    246. 253.60437767625467, -19.35399172593666
    247. 274.279571394383, -12.680847597974669
    248. 293.47814220989875, -11.317256962331399
    249. 312.23532320347147, -18.26949858881688
    250. 332.436817976497, -13.018076448231426
    251. 355.51551240728935, -20.51249763307306
    252. 372.6677370801784, -14.940934244181271
    253. 392.4145354005785, -20.681363346465417
    254. 409.1938916922266, -15.937744529724114
    255. 430.32921751872306, -18.126024956193973
    256. 451.63531242220154, -17.163411413546022
    257. 468.42657761882157, -15.196712191807698
    258. 488.5748705268902, -6.4383110391631675
    259. 508.9889736804178, -17.169660115043577
    260. 525.3176737631119, -10.736278496017242
    261. 550.2387597991168, -17.87288194550696
    262. 573.5998557826383, -17.930008144184328
    263. 585.8935923344077, -11.081397797762861
    264. 604.3387890896158, -14.230919254315054
    265. 623.7645697736835, -6.785876213344842
    266. 646.6318843447343, -13.082406243809466
    267. 660.6055476461391, -3.366094228885686
    268. 701.5402279055561, -11.970637161680912
    269. 717.3617722821082, -15.641525924148361
    270. 740.5975288077303, -4.248082530342096
    271. 763.609809530536, -13.958799193254663
    272. 784.0672697180202, -6.551312579381687
    273. 796.2504519234578, -9.438223839619098
    274. 834.5796559721952, -5.583741079398436
    275. 842.9387165852625, -12.68319295510512
    276. 888.2384363495005, -6.620905468044128
    277. 878.8722496778888, -10.005381451414557
    278. 891.2092900244546, -12.794788876526397
    279. 940.4557046492037, -7.4893995897249965
    280. 935.1530623679922, -15.02989028962903
    281. 954.2777504335655, -11.799974537765998
    282. 1003.0875450689235, -7.166376902658392
    283. 985.34109279774, -10.096096514710148
    284. 1011.8158095035158, -1.431777688098503
    285. 1044.9440847737872, -5.893132774190214
    286. 1100.928093296404, -5.471435168913864
    287. 1111.2715889844033, 1.8092378253676138
    288. 1145.8105111836674, -7.774025430055957
    289. 1170.3388655867325, -1.3396386579737083
    290. 1207.6045774895506, 1.270140736382892
    291. 1194.4420154539337, -8.043573974548316
    292. 1241.6596894037148, -5.452720176301504
    293. 1282.303661014897, -3.2921484690727993
    294. 1285.2220438290392, -0.08477207787770524
    295. 1323.629810628902, -7.38038655267416
    296. 1353.6558136288852, -1.762623816450251
    297. 1368.560128627931, 7.397084693765095
    298. 1396.642161533118, -0.530934390568369
    299. 1398.2270612679124, -6.3290700477585915
    300. 1432.8180453871746, -7.423897115581731
    301. 1456.473208862804, 5.479252663094783
    302. 1486.025942661376, -6.152881076387487
    303. 1514.076742521559, 2.236042565456607
    304. 1562.5212320868773, -1.2719918573111748
    305. 1558.2434843956275, -7.306832682892008
    306. 1565.959564085568, 0.6927138108662589
    307. 1661.7891476000038, -1.6786554623026326
    308. 1656.105108027224, -6.982706720685464
    309. 1767.7459491454204, -0.5935470496759017
    310. 1764.4134989570598, -3.142447673946407
    311. 1771.415497836038, -6.408843302074182
    312. 1834.943551535734, 0.3454753114277658
    313. 1869.1735357759314, 5.136495471030539
    314. 1858.5731950340612, -2.94832749002439
    315. 1877.6405857636273, -6.0692858472379
    316. 1906.4039256238295, -12.528432889597326
    317. 1927.8256989620597, 0.3291946240138941
    318. 1946.6883311999723, -10.55703960308793
    319. 2004.3517496098978, -0.6017097301174132
    320. 1998.3746327228073, -7.004664528513906
    321. 2048.453748187575, -2.9292834294473025
    322. 2109.3600774053293, -1.4072184484325128
    323. 2119.303411815273, -9.585981338837414
    324. 2139.219514502453, 1.8202610038807236
    325. 2197.108596247408, -3.59699798888861
    326. 2176.502339632783, -7.154788923856728
    327. 2228.2815145252184, -11.290218345127514
    328. 2300.050141459334, -2.817582206277308
    329. 2311.6457339793674, -5.611438630272325
    330. 2359.790105952442, -8.562579170782186
    331. 2349.651167107121, -10.999015453300736
    332. 2470.68458952204, -5.571138693750832
    333. 2469.6845699983614, -12.259256251735664
    334. 2472.6368813310137, -9.696481164783435
    335. 2621.1678152269305, -2.83477032353332
    336. 2598.6501746452245, -4.295106940807614
    337. 2591.5573946195273, -6.512013886987553
    338. 2604.1724094812685, -12.161623222532775
    339. 2637.629116722516, -15.948644158174119
    340. 2715.2676243568826, -8.98329156651566
    341. 2726.582519588413, -13.887643929782719
    342. 2727.858448646484, -18.425967414519718
    343. 2743.2778512681257, -11.177557440111286
    344. 2741.713048337096, -20.60379903565127
    345. 1058.267806770132, -4.273340200393292
    346. 1906.6314913132285, 1.4582357898679668
    347. 2326.6144036168307, -9.692738084090273
    348. 2538.2375203008937, -11.482231482348539
    349. 2831.028466862415, -7.930634890907385
    350. 2882.1688890972537, -12.162421575053841
    351. %
    352. % 2857.8797819850383, -9.999999999999993
    353. % 1072.6993539456546, -4.869888475836426
    354. % 1057.3363767052435, -5.427509293680288
    355. % 1023.5126141042083, -5.762081784386609
    356. % 1442.93671774463, -6.431226765799252
    357. % 1608.2218716472069, -6.542750929368019
    358. % 1685.553165884615, -6.096654275092931
    359. % 1728.689033259455, -5.539033457249062
    360. % 1691.2478910003583, -2.081784386617091
    361. % 1613.536072825998, -1.301115241635678
    362. % 1544.9177363930087, 0.037174721189600746
    363. % 1544.81393940528, 1.1524163568773318
    364. % 1511.497461399566, 3.048327137546476
    365. % 1905.1191785082804, 1.3754646840148794
    366. % 1898.423676613081, -0.18587360594794688
    367. % 1961.0945214480766, 0.7063197026022365
    368. % 2259.588736900773, -11.00371747211895
    369. % 2275.7847627629535, -9.553903345724898
    370. % 2359.8544281614813, -11.672862453531593
    371. % 2437.8890796758533, -11.672862453531593
    372. % 2518.470304891691, -11.449814126394045
    373. % 2649.1828720737662, -11.338289962825272
    374. % 2766.680422286599, -11.672862453531593
    375. % 2678.4993512687925, -14.014869888475829
    376. % 2659.4194673574607, -15.3531598513011
    377. % 2649.91274893433, -15.910780669144977
    378. % 2463.3607384403713, -4.200743494423783
    379. % 2454.571369717203, -4.869888475836426
    380. % 817.9723352829645, -4.869888475836426
    381. % 517.2345582619746, -17.13754646840148

    382. ];
    383. figure
    384. semilogx(a(:,1),a(:,2),'b','linewidth',2)
    385. hold on
    386. semilogx(b(:,1),b(:,2),'ks','markerfacecolor','k','markersize',10)
    387. semilogx(c(:,1),c(:,2),'rX','markersize',10,'LineWidth',2)
    388. % semilogx(b(:,1),b(:,2),'dk','facemarkercolor','k')
    389. % semilogx(c(:,1),c(:,2),'r*')
    390. ylim([-40 20])
    391. xlim([100 2858])
    392. legend('Reference','DIBS','MLBS','location','northwest')
    393. text(650, 16.06405094109936,'Position sequence components','edgecolor','k')
    394. grid on
    395. xlabel 'Frequency(Hz)'
    396. ylabel 'Magnitude(dB) p.u.'

    复制代码
    这是用到的代码
  • TA的每日心情

    2018-5-18 10:20
  • 签到天数: 229 天

    [LV.7]常住居民III

    21

    主题

    535

    帖子

    1万

    积分

    版主

    Rank: 7Rank: 7Rank: 7

    积分
    12517

    荣誉会员学者

    发表于 2017-3-24 17:56:56 | 显示全部楼层
    谢谢分享.
    回复

    使用道具 举报

    发表回复

    您需要登录后才可以回帖 登录 | 立即注册

    本版积分规则

    3