FPGA Implementation of an Amplitude-Modulated Continuous-Wave Ultrasonic Ranger Using Restructured Phase-Locking Scheme

<table>Synthesis flow of Matlab/Simulink-DSP builder and Quartus-II.</table>

VLSI Design

Figure 3: FPGA Implementation of an Amplitude-Modulated Continuous-Wave Ultrasonic Ranger Using Restructured Phase-Locking Scheme 