[Retracted] Research on Sports Class Load Monitoring System Based on Threshold Classification Algorithm

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left">Label</td><td class="align_center">Describe</td><td class="align_center">Base station</td><td class="align_center">Describe</td><td class="align_center">Heart rate meter</td><td class="align_center">Describe</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">Temperature range</td><td class="align_center">-40°C-70°C</td><td class="align_center">Working temperature</td><td class="align_center">-40°C-70°C</td><td class="align_center">Transmission mode</td><td class="align_center">Low power consumption of Bluetooth</td></tr><tr><td class="align_left">Renewal rate</td><td class="align_center">0.01-200 Hz</td><td class="align_center">Antenna gain</td><td class="align_center">12.5 dBi</td><td class="align_center">Software</td><td class="align_center">Wireless upgrade</td></tr><tr><td class="align_left">Frequency range</td><td class="align_center">6.35-6.75 GHz</td><td class="align_center">Frequency range</td><td class="align_center">6.35-6.75 GHz</td><td class="align_center">Frequency range</td><td class="align_center">1 Hz</td></tr><tr><td class="align_left">Power supply</td><td class="align_center">Battery powered</td><td class="align_center">Power supply</td><td class="align_center">External power supply</td><td class="align_center">Power supply</td><td class="align_center">Battery powered</td></tr><tr><td class="align_left">Protection level</td><td class="align_center">IP67</td><td class="align_center">Protection level</td><td class="align_center">IP40</td><td class="align_center">Protection level</td><td class="align_center">30 m underwater</td></tr><tr><td class="align_left">Transmission distance</td><td class="align_center">200 cm</td><td class="align_center">Transmission distance</td><td class="align_center">100 m</td><td class="align_center">Usage time</td><td class="align_center">12 h</td></tr><tr><td class="align_left">Size</td><td class="align_center"><span style="width: 64.2128ptpx;"><svg height="8.69875pt" id="M2" style="vertical-align:-0.3499298pt" version="1.1" viewbox="-0.0498162 -8.34882 64.2128 8.69875" width="64.2128pt" 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="M447 623H65C61 580 56 530 47 475H76C100 541 106 550 172 550H388C308 376 196 170 91 -1L98 -12L172 -2C268 204 360 408 455 611L447 623Z"></path></g><g transform="matrix(.013,0,0,-0.013,9.148,0)"><path d="M528 54L331 254L528 455L492 493L294 291L96 493L60 455L257 254L60 54L96 16L294 217L492 16L528 54Z"></path></g><g transform="matrix(.013,0,0,-0.013,19.684,0)"><path d="M456 178V225H360V632H320C217 496 115 347 20 206V178H280V106C280 40 276 34 189 27V0H445V27C364 34 360 39 360 106V178H456ZM280 225H82C149 335 214 431 278 520H280V225Z"></path></g><g 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26V0H797Z"></path></g></svg></span></td><td class="align_center">Size</td><td class="align_center"><span style="width: 64.2128ptpx;"><svg height="8.69875pt" id="M4" style="vertical-align:-0.3499298pt" version="1.1" viewbox="-0.0498162 -8.34882 64.2128 8.69875" width="64.2128pt" 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="M412 140C382 77 369 73 315 73H129L270 222C362 320 402 379 402 466C402 571 322 635 234 635C177 635 130 609 99 576L42 495L64 475C90 514 133 568 201 568C274 568 318 519 318 435C318 349 255 267 193 193C144 135 87 78 32 23V0H405C417 45 427 89 440 131L412 140Z"></path></g><g transform="matrix(.013,0,0,-0.013,9.145,0)"><path d="M528 54L331 254L528 455L492 493L294 291L96 493L60 455L257 254L60 54L96 16L294 217L492 16L528 54Z"></path></g><g transform="matrix(.013,0,0,-0.013,19.682,0)"><path d="M412 140C382 77 369 73 315 73H129L270 222C362 320 402 379 402 466C402 571 322 635 234 635C177 635 130 609 99 576L42 495L64 475C90 514 133 568 201 568C274 568 318 519 318 435C318 349 255 267 193 193C144 135 87 78 32 23V0H405C417 45 427 89 440 131L412 140Z"></path></g><g transform="matrix(.013,0,0,-0.013,28.828,0)"><path d="M528 54L331 254L528 455L492 493L294 291L96 493L60 455L257 254L60 54L96 16L294 217L492 16L528 54Z"></path></g><g transform="matrix(.013,0,0,-0.013,39.364,0)"><path d="M384 0V27C293 34 287 42 287 114V635C232 613 172 594 109 583V559L157 557C201 555 205 550 205 499V114C205 42 199 34 109 27V0H384Z"></path></g><g transform="matrix(.013,0,0,-0.013,47.779,0)"><path d="M390 111C344 68 312 56 269 56C212 56 118 102 118 241C118 346 175 401 241 401C277 401 312 388 342 360C350 352 355 349 361 349C372 349 394 371 394 392C394 403 391 411 378 422C362 436 329 449 288 449H287C250 449 190 432 138 392C71 341 37 274 37 197C37 90 112 -12 238 -12C297 -12 363 32 407 90L390 111Z"></path></g><g transform="matrix(.013,0,0,-0.013,53.278,0)"><path d="M797 0V26C739 32 732 36 732 103V296C732 394 682 449 605 449C576 449 550 437 529 423C504 407 475 389 446 366C425 418 382 449 334 449C303 449 279 437 253 421C222 403 201 385 180 371V452C135 432 85 419 41 411V388C99 379 102 374 102 310V103C102 38 93 32 27 26V0H238V26C189 32 180 38 180 103V338C210 363 250 390 289 390C351 390 377 348 377 275V103C377 37 368 32 306 26V0H520V26C465 32 456 38 456 101V296C456 314 455 326 453 338C491 369 529 390 565 390C628 390 653 345 653 274V107C653 36 642 32 583 26V0H797Z"></path></g></svg></span></td></tr><tr><td class="align_left">Weight</td><td class="align_center">18 g</td><td class="align_center">Weight</td><td class="align_center">1.64 kg</td><td class="align_center">Weight</td><td class="align_center">15 g</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>System hardware parameter list.</div>

Wireless Communications and Mobile Computing

tab1

Table 1

Table 1: [Retracted] Research on Sports Class Load Monitoring System Based on Threshold Classification Algorithm 