数字通信调制信号信号模拟系统 信号种类： MASK：2ASK，4ASK，8ASK MPSK：2PSK、4PSK、8PSK MFSK：2FSK、4FSK、8FSK 分连续相位CPFSK和离散相位DPFSK两种 MQAM：16QAM、32QAM、64QAM、128QAM OFDM：子载波数可任意选定，映射方式有BPSK、QPSK、4QAM、16QAM、32QAM、64QAM ,Digital communication system signal-signal analog modul

In this project i have interfaced an GPS with AVR microcontroller, the ATtiny2313 gets the location from the GPS and display it over the LCD display. This project also have the feature of marking a place with its name. For entering the Name of the pl

Basic understanding of digital modulation concepts and associated characterization methods (such as eye diagrams and constellation diagrams). The use of Sigma-Delta techniques to achieve a 2-bit/symbol data stream from a 16-bit input data stream.