1. Altera Corporation (2016) Cyclone IV device handbook, cyclone IV FPGA device family overview, Altera Corporation, vol 1, March 2016
2. Bermúdez-Aguirre D, Mobbs T, Barbosa-Cánovas GV (2010) Ultrasound applications in food processing. In: Ultrasound technologies for food and bioprocessing, pp 65–105, 28 October 2010
3. Chang WC, Ma KH, Yarn KF (2010) New frequency-tracking control method for ultrasound welding system by the FPGA Chip. Int J Phys Sci 513:2014–2019
4. Dong X, Yuan T, Hu M, Shekhani H, Maida Y, Tou T, Uchino K (2016) Driving frequency optimization of a piezoelectric transducer and the power supply development. Rev Sci Instrum 87:1005003-1-1005003-6
5. Foussier J, Teichmann D, Jia J, Misgeld B, Leonhardt S (2014) An adaptive Kalman filter approach for cardiorespiratory signal extraction and fusion of non-contacting sensors. BMC Med Inf Decis Mak 14:1–15