An AWF digital spectrometer for a radio telescope

H Nakahara, H Nakanishi, K Iwai - … International Conference on …, 2014 - ieeexplore.ieee.org
A radio telescope analyzes radio frequency (RF) signal from celestial objects. It consists of
an antenna, a receiver, and a spectrometer. The spectrometer converts signal in the time …

Research on real-time spectrum analysis technology

J Liu, T Liu, J Zheng, X Feng - 2023 2nd International …, 2023 - ieeexplore.ieee.org
In order to realize the continuous spectrum monitoring of space environment, this paper
mainly studies the broadband real-time spectrum analysis technology based on parallel …

Design of spectral analyzer based on FPGA

Y Zhang, J Yang - 2011 Second International Conference on …, 2011 - ieeexplore.ieee.org
A spectral analyzer is a instrument that can show the characteristic of the input signal in
frequency domain. It is an important tool which is used to develop and research electronic …

An FFT circuit using nested RNS in a digital spectrometer for a radio telescope

H Nakahara, T Sasao, H Nakanishi… - 2016 IEEE 46th …, 2016 - ieeexplore.ieee.org
A radio telescope analyzes radio frequency (RF) signal received from celestial objects. It
consists of an antenna, a receiver, and a spectrometer. The spectrometer converts the time …

A very fast FFT spectrum analyzer for radio astronomy

Y Chikada, M Ishiguro, H Hirabayashi… - ICASSP'86. IEEE …, 1986 - ieeexplore.ieee.org
A wide-band FFT spectrum analyzer, called FX, is in operation at the Nobeyama Radio
Observatory for spectroscopy of radio waves from the molecules in the gas clouds which are …

Design of digital signal spectrum analyzer based on FPGA

D Qi, X Guo, W Du - 2015 IEEE International Conference on …, 2015 - ieeexplore.ieee.org
This paper presents a hardware software co-design of embedded digital spectrum analyzer.
As a digital hardware design, it achieves better portability and modularity so that it could be …

An FFT circuit for a spectrometer of a radio telescope using the nested RNS including the constant division

H Nakahara, H Nakanishi, K Iwai, T Sasao - ACM SIGARCH Computer …, 2017 - dl.acm.org
A radio telescope analyzes radio frequency (RF) received from celestial objects. It consists
of an antenna, a receiver, and a spectrometer. The spectrometer converts the time domain …

Design and realization of real-time spectrum analysis system based on DSP builder

M Zengchui, W Xin - 2012 Second International Conference on …, 2012 - ieeexplore.ieee.org
A method of designing real-time spectrum analysis based on FPGA is put forward in this
article and the characteristic of the FFT_IP core is described in detail. This system uses the …

A wideband real-time spectrometer based on combined complex FFT for radio astronomy

X Wang, Q Meng, H Jinlin, W Chen… - 2014 9th International …, 2014 - ieeexplore.ieee.org
We developed a 1.2 GHz bandwidth spectrometer based on combined complex FFT
algorithm for radio astronomy. It resolves the contradiction between wide bandwidth and …

VHDL core for 1024-point radix-4 FFT computation

JA Vite-Frias, RJ Romero-Troncoso… - 2005 International …, 2005 - ieeexplore.ieee.org
This paper shows the development of a 1024-point radix-4 FFT VHDL core for applications
in hardware signal processing, targeting low-cost FPGA technologies. The developed core …