ppg-ecg预处理及特征提取

张力信号，总共77600个数据点，采样率：500 Hz，时间格式：分:秒:毫秒 序号 时间(m:s:ms) 1通道 2通道 (mV) (g) 1 00:00:000 -0.99 17.94 2 00:00:002 -1.00 15.11 3 00:00:004 -0.99 13.67 4 00:00:006 -1.00 12.16 5 00:00:008 -1.00 10.66 6 00:00:010 -0.99 9.30 7 00:00:012 -0.99 7.92 8 00:00:014 -0.99 6.51 9 00:00:016 -1.00 5.12 10 00:00:018 -0.99 3.92 11 00:00:020 -1.00 2.64 12 00:00:022 -1.00 1.51 13 00:00:024 -1.00 0.40 14 00:00:026 -1.00 -0.63 15 00:00:028 -1.00 -1.62 16 00:00:030 -0.99 -2.44 17 00:00:032 -1.00 -3.22 18 00:00:034 -1.00 -4.03 19 00:00:036 -1.00 -4.68 20 00:00:038 -1.00 -5.39 21 00:00:040 -1.00 -5.84 22 00:00:042 -1.00 -5.81 23 00:00:044 -1.00 -6.54 24 00:00:046 -1.00 -6.97 25 00:00:048 -1.00 -7.26 26 00:00:050 -1.00 -7.51 27 00:00:052 -1.00 -7.63 28 00:00:054 -1.00 -7.71 29 00:00:056 -1.00 -7.91 30 00:00:058 -1.00 -7.89 31 00:00:060 -1.00 -7.91 32 00:00:062 -1.00 -7.98 33 00:00:064 -1.00 -7.91 34 00:00:066 -1.00 -7.77 35 00:00:068 -0.99 -7.91 36 00:00:070 -1.00 -7.90 37 00:00:072 -1.00 -7.96 38 00:00:074 -1.00 -7.97 39 00:00:076 -0.97 -7.82 40 00:00:078 -1.00 -7.96 41 00:00:080 -1.00 -7.91 42 00:00:082 -1.00 -7.91 43 00:00:084 -1.00 -8.16 44 00:00:086 -1.00 -7.92 45 00:00:088 -1.00 -7.91 46 00:00:090 -0.99 -7.88 47 00:00:092 -1.00 -7.97 48 00:00:094 -1.00 -7.96 49 00:00:096 -1.00 -8.04 50 00:00:098 -0.99 -7.90 51 00:00:100 -1.00 -7.97 52 00:00:102 -1.00 -7.91 53 00:00:104 -1.00 -7.86 54 00:00:106 -1.00 -7.85 55 00:00:108 -1.00 -7.81 56 00:00:110 -0.99 -7.67 57 00:00:112 -1.00 -7.60 58 00:00:114 -1.00 -7.65 59 00:00:116 -1.00 -7.44 60 00:00:118 -1.00 -7.38 61 00:00:120 -1.00 -7.13 62 00:00:122 -1.00 -7.29 63 00:00:124 -0.99 -7.08 64 00:00:126 -1.00 -6.90 65 00:00:128 -1.00 -6.90 66 00:00:130 -1.00 -6.62 67 00:00:132 -1.00 -6.40 68 00:00:134 -1.00 -6.12 69 00:00:136 -1.00 -5.96 70 00:00:138 -1.00 -5.93 71 00:00:140 -1.00 -5.64 72 00:00:142 -1.00 -5.48 73 00:00:144 -1.00 -5.40 74 00:00:146 -1.00 -5.36 75 00:00:148 -1.00 -5.21 76 00:00:150 -1.00 -4.97 77 00:00:152 -1.00 -5.11 78 00:00:154 -1.00 -5.09 79 00:00:156 -1.00 -5.09 80 00:00:158 -1.00 -4.98 81 00:00:160 -1.00 -4.89 82 00:00:162 -1.00 -4.70 83 00:00:164 -1.00 -4.59 84 00:00:166 -1.00 -4.39 85 00:00:168 -1.00 -4.20 86 00:00:170 -1.00 -4.07 87 00:00:172 -1.00 -3.78 88 00:00:174 -1.00 -3.56 89 00:00:176 -1.00 -3.49 90 00:00:178 -1.00 -3.26 91 00:00:180 -1.00 -3.03 92 00:00:182 -0.98 -2.83 93 00:00:184 -1.00 -2.58 94 00:00:186 -1.00 -2.54 95 00:00:188 -1.00 -2.44 96 00:00:190 -1.00 -2.31 97 00:00:192 -1.00 -2.25 98 00:00:194 -1.00 -2.20 99 00:00:196 -1.00 -2.22 100 00:00:198 -1.00 -2.20 101 00:00:200 -1.00 -2.18 102 00:00:202 -1.00 -2.30 103 00:00:204 -1.00 -2.40 104 00:00:206 -1.00 -2.34 105 00:00:208 -1.00 -2.56 106 00:00:210 -1.00 -2.75 107 00:00:212 -1.00 -2.79 108 00:00:214 -1.00 -2.83 109 00:00:216 -1.00 -2.93 110 00:00:218 -1.00 -3.22 111 00:00:220 -1.00 -3.38 112 00:00:222 -0.99 -3.47 113 00:00:224 -1.00 -3.57 114 00:00:226 -1.00 -3.61 115 00:00:228 -1.00 -3.80 116 00:00:230 -1.00 -3.89 117 00:00:232 -0.99 -3.89 118 00:00:234 -1.00 -3.64 119 00:00:236 -1.00 -4.04 120 00:00:238 -0.99 -3.89 121 00:00:240 -0.99 -3.33 122 00:00:242 -0.99 -3.72 123 00:00:244 -1.00 -3.42 124 00:00:246 -1.00 -3.59 125 00:00:248 -1.00 -3.51 126 00:00:250 -1.00 -3.42 127 00:00:252 -0.99 -3.38 128 00:00:254 -1.00 -3.39 129 00:00:256 -0.99 -3.38 130 00:00:258 -1.00 -3.41 131 00:00:260 -1.00 -3.39 132 00:00:262 -1.00 -3.48 133 00:00:264 -0.99 -3.50 134 00:00:266 -1.00 -3.58 135 00:00:268 -0.99 -3.14 136 00:00:270 -1.00 -3.88 137 00:00:272 -0.99 -3.65 138 00:00:274 -1.00 -3.85 139 00:00:276 -1.00 -3.94 140 00:00:278 -1.00 -3.96 141 00:00:280 -1.00 -3.99 142 00:00:282 -1.00 -4.11 143 00:00:284 -1.00 -4.47 144 00:00:286 -1.00 -4.20 145 00:00:288 -0.99 -4.39 146 00:00:290 -1.00 -4.43 147 00:00:292 -0.99 -4.43 148 00:00:294 -1.00 -4.44 149 00:00:296 -1.00 -4.74 150 00:00:298 -0.99 -4.58 151 00:00:300 -1.00 -4.39 152 00:00:302 -0.99 -4.53 153 00:00:304 -0.99 -4.56 154 00:00:306 -0.99 -4.39 155 00:00:308 -0.98 -4.30 156 00:00:310 -1.00 -4.31 157 00:00:312 -0.99 -4.26 158 00:00:314 -0.99 -4.14 159 00:00:316 -0.99 -4.16 160 00:00:318 -0.99 -4.34 161 00:00:320 -0.99 -4.11 162 00:00:322 -1.00 -4.00 163 00:00:324 -1.00 -4.05 164 00:00:326 -0.99 -4.04 165 00:00:328 -1.00 -4.65 166 00:00:330 -1.00 -3.86 167 00:00:332 -1.00 -4.08 168 00:00:334 -1.00 -4.16 169 00:00:336 -1.00 -4.19 170 00:00:338 -1.00 -4.20 171 00:00:340 -1.00 -4.53 172 00:00:342 -1.00 -4.38 173 00:00:344 -1.00 -3.79 174 00:00:346 -0.99 -4.16 175 00:00:348 -1.00 -4.20 176 00:00:350 -1.00 -4.30 177 00:00:352 -0.99 -4.19 178 00:00:354 -1.00 -4.19 179 00:00:356 -0.99 -4.09 180 00:00:358 -1.00 -3.99 181 00:00:360 -0.99 -3.97 182 00:00:362 -1.00 -3.99 183 00:00:364 -1.00 -3.88 184 00:00:366 -1.00 -3.72 185 00:00:368 -1.00 -3.61 186 00:00:370 -0.99 -3.57 187 00:00:372 -1.00 -3.47 188 00:00:374 -1.00 -3.36 189 00:00:376 -1.00 -3.25 190 00:00:378 -1.00 -3.13 191 00:00:380 -1.00 -3.25 192 00:00:382 -1.00 -3.03 193 00:00:384 -1.00 -2.99 194 00:00:386 -1.00 -2.91 195 00:00:388 -0.99 -3.00 196 00:00:390 -0.99 -2.94 197 00:00:392 -0.98 -3.02 198 00:00:394 -0.97 -3.11 199 00:00:396 -0.95 -3.09 200 00:00:398 -0.92 -3.10 201 00:00:400 -0.89 -3.26 202 00:00:402 -0.86 -3.33 203 00:00:404 -0.82 -3.38 204 00:00:406 -0.78 -3.33 205 00:00:408 -0.77 -3.40 206 00:00:410 -0.75 -3.41 207 00:00:412 -0.74 -3.81 208 00:00:414 -0.75 -3.51 209 00:00:416 -0.72 -3.65 210 00:00:418 -0.78 -3.91 211 00:00:420 -0.80 -3.45 212 00:00:422 -0.83 -3.49 213 00:00:424 -0.86 -3.44 214 00:00:426 -0.88 -3.32 215 00:00:428 -0.91 -3.73 216 00:00:430 -0.93 -3.28 217 00:00:432 -0.95 -3.30 218 00:00:434 -0.96 -3.23 219 00:00:436 -0.97 -3.16 220 00:00:438 -0.98 -3.32 221 00:00:440 -0.99 -3.19 222 00:00:442 -0.99 -3.12 223 00:00:444 -0.99 -2.33 224 00:00:446 -0.99 -3.18 225 00:00:448 -0.99 -3.16 226 00:00:450 -1.00 -3.18 227 00:00:452 -0.99 -3.22 228 00:00:454 -0.99 -3.36 229 00:00: