“…Significantly, with the rapid development of SAW [ 5 , 6 , 7 , 8 , 9 , 10 ] devices, SAW sensors [ 11 , 12 , 13 ] are being used in a wide range of industries. Furthermore, the SAW yarn tension sensor studied in [ 14 , 15 , 16 , 17 , 18 , 19 ] is a good selection to adapt to today’s textile manufacturing; it has excellent characteristics, such as high stability, high sensitivity, fast response speed, strong anti-interference ability, small size, low cost, and so on [ 20 ].…”