PSK was developed in the early space program and widely used in military and commercial communications systems. BPSK is one of the widely used digital modulation techniques.
This paper introduces the principles of BPSK and presents the simulation and analysis of the modulation of four kinds of baseband signals. The design and realization of the BPSK modulator based on CPLD chip is also introduced. In the process of hardware design, it usually uses the mature classical circuits and makes some improvements; in software design, module programming and structure programming are widely used.
The digital modulation techniques studied in this thesis adapt to the development of science and technology. The CPLD lab board designed in this paper will be used as a platform for the creative experiments in the future.