Design and Implementation of Pulsed BPSK, QPSK, Barker Encoded, CW and Chirp Signal Generation in LabVIEW PXI 5644R

Focus of this research includes digital design, simulation and implementation of modulated QPSK, BPSK and Barker encoded signal generation for high band frequency from 100MHz to 6Hz using LabVIEW PXI 5644R vector signal transceivers (VST). By utilizing the pulse signal generation mode of vector signal transceiver, different combinations of signals were designed and simulated in Matlab for the real time scenarios generation for radar warning receivers. Pulse width modulated radio frequency (RF) signal becomes envelope of digital pulsed signal and combination of signals are transmitted and received in receivers. QPSK and BPSK modulation models are designed in Matlab and arrays of date were fed to vector signal transceivers. Moreover, data arrays for barker encoded signal were produced in Maltab and loaded in vector signal transceivers for generation. Custom designed signal generation with varying pulses width, pulse repetitive interval and radio frequency incorporation has been done.