Title :
Time-bandwidth engineering for arbitrary waveform generation
Author :
Hongbiao Gao ; Asghari, Mohammad H. ; Jalali, Bahram
Author_Institution :
Dept. of Electron. Eng., Tsinghua Univ., Beijing, China
Abstract :
We introduce a method for arbitrary waveform generation employing time bandwidth product expansion. It is based on the newly introduced mathematical function, Anamorphic Stretch Transform for engineering the time bandwidth of signals. We show that using warped dispersive Fourier transform with a specific frequency to time mapping profile, one can boost the time-bandwidth product of waveform generators above the fundamental limit set by spectral encoding. This report is the first application of anamorphic stretch transform for waveform generation.
Keywords :
Fourier transforms; digital-analogue conversion; waveform generators; anamorphic stretch transform; arbitrary waveform generation; spectral encoding; time bandwidth product expansion; time mapping profile; time-bandwidth engineering; warped dispersive Fourier transform; Bandwidth; Chirp; Delays; Dispersion; Photonics; Radio frequency; Transforms; Anamorphic Stretch Transform; Arbitrary waveform generation; Time stretch dispersive Fourier transform; Time-bandwidth expansion;
Conference_Titel :
Signal and Information Processing (GlobalSIP), 2014 IEEE Global Conference on
Conference_Location :
Atlanta, GA
DOI :
10.1109/GlobalSIP.2014.7032137