Development of Circuits for Excitation and Reception in Ultrasonic Transducers for Generation of Guided Waves in Hollow Cylinders for Fouling Detection. - Jaidilson Jó da Silva; Miguel Gonçalves Wanzeller; P. de Almeida Farias; José Sérgio da Rocha Neto (IEEE Trans. Instrum. Meas., 2008)