3 papers
astro-ph.IM2021
A generalized approach to compensate for low and high frequency errors in FFT based phase screen simulations
Sorabh Chhabra, Jyotirmay Paul, Anamparambu N. Ramaprakash +1
Fast Fourier Transform based phase screen simulations give accurate results only when the screen size () is much larger than the outer scale parameter (). Otherwise, they f…
astro-ph.IM2018
Scalable Platform for Adaptive optics Real-time Control (SPARC) Part 2: Field Programmable Gate Array (FPGA) implementation and performance
Avinash Surendran, Mahesh P. Burse, A. N. Ramaprakash +1
The next generation of Adaptive Optics (AO) systems on large telescopes will require immense computation performance and memory bandwidth, both of which are challenging with the te…
astro-ph.IM2018
Scalable Platform for Adaptive optics Real-time Control (SPARC) Part 1: Concept, Architecture and Validation
Avinash Surendran, Mahesh P. Burse, A. N. Ramaprakash +3
We demonstrate a novel architecture for Adaptive Optics (AO) control based on FPGAs (Field Programmable Gate Arrays), making active use of their configurable parallel processing ca…