An Iteration-Time Combination Method to Reduce the Dynamic Degradation of Digital Chaotic Maps

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Parameter</td><td class="align_center"><i>H</i> (%)</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left"><span style="width: 11.3356ptpx;"><svg height="9.21286pt" id="M95" style="vertical-align:-3.29111pt" version="1.1" viewbox="-0.0498162 -5.92175 11.3356 9.21286" width="11.3356pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M494 0V32C450 38 426 53 393 105L296 260C330 305 354 338 375 361C411 396 421 401 476 410V442H293V410C332 402 337 394 323 371C311 351 295 324 274 293L227 371C213 393 218 402 252 410V442H16V410C70 402 80 391 108 344L196 199C166 159 140 123 115 95C81 54 61 43 7 32V0H196V32C156 41 150 53 167 81C182 105 199 138 219 166L269 79C287 49 283 38 245 32V0H494Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,6.29,3.132)"><path d="M245 635C92 635 37 457 37 312C37 149 91 -12 244 -12C395 -12 449 166 449 312C449 469 395 635 245 635ZM243 598C332 598 358 454 358 312C358 173 334 26 245 26C158 26 128 174 128 313S152 598 243 598Z"></path></g></svg></span></td><td class="align_center">50.02</td></tr><tr><td class="align_left"><span style="width: 11.1137ptpx;"><svg height="9.75568pt" id="M96" style="vertical-align:-3.83393pt" version="1.1" viewbox="-0.0498162 -5.92175 11.1137 9.75568" width="11.1137pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M483 442H303V410C352 401 362 388 351 355C333 298 299 198 276 142L201 363C190 396 197 401 240 410V442H-7V410C40 403 52 391 70 348C89 304 144 162 196 18C202 1 204 -14 199 -30C196 -41 190 -53 180 -71C161 -103 138 -122 99 -143C78 -156 71 -165 71 -181C71 -217 114 -245 142 -245C158 -245 172 -240 179 -218C196 -162 216 -99 284 63C342 202 375 285 400 338C425 392 435 402 483 410V442Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,6.068,3.675)"><path d="M245 635C92 635 37 457 37 312C37 149 91 -12 244 -12C395 -12 449 166 449 312C449 469 395 635 245 635ZM243 598C332 598 358 454 358 312C358 173 334 26 245 26C158 26 128 174 128 313S152 598 243 598Z"></path></g></svg></span></td><td class="align_center">49.97</td></tr><tr><td class="align_left"><span style="width: 7.06767ptpx;"><svg height="9.42947pt" id="M97" style="vertical-align:-0.1933403pt" version="1.1" viewbox="-0.0498162 -9.23613 7.06767 9.42947" width="7.06767pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M196 417V703C139 687 58 673 7 667V636C63 632 68 623 68 566V24C137 -2 188 -12 244 -12C390 -12 504 97 504 243C504 355 418 454 297 454C277 454 261 447 233 434L196 417ZM196 382C211 387 221 389 238 389C301 389 365 339 365 212C365 87 316 27 262 28C230 29 207 59 201 75C198 83 196 94 196 108V382Z"></path></g></svg></span></td><td class="align_center">50.03</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Complexity

tab4

Table 4

Table 4: An Iteration-Time Combination Method to Reduce the Dynamic Degradation of Digital Chaotic Maps 