A Design of Polyphase Filter Bank for Radio Astronomy Based on CUDA

Tohtonur; Zhang Hailong; Wang Jie

Astronomical Research and Technology > 2017 > 14(1): 117-123.

Tohtonur, Zhang Hailong, Wang Jie. A Design of Polyphase Filter Bank for Radio Astronomy Based on CUDA[J]. Astronomical Research and Technology, 2017, 14(1): 117-123.

Citation:

Tohtonur, Zhang Hailong, Wang Jie. A Design of Polyphase Filter Bank for Radio Astronomy Based on CUDA[J]. Astronomical Research and Technology, 2017, 14(1): 117-123.

Citation:

Tohtonur, Zhang Hailong, Wang Jie. A Design of Polyphase Filter Bank for Radio Astronomy Based on CUDA[J]. Astronomical Research and Technology, 2017, 14(1): 117-123.

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A Design of Polyphase Filter Bank for Radio Astronomy Based on CUDA

1. Xinjiang Astronomical Observatory, Chinese Academy of Sciences, Urumqi 830011, China;
2. University of Chinese Academy of Sciences, Beijing 100049, China;
3. Key Laboratory of Radio Astronomy, Chinese Academy of Sciences, Nanjing 210008, China

More Information

Received Date: March 30, 2016
Revised Date: April 23, 2016
Available Online: November 20, 2023

Graphical Abstract

Abstract

Abstract

A Polyphase filter bank is designed with the GPU and the latest NVIDIA CUDA parallel architecture for radio astronomy and its performance is tested and analyzed. Both GPU's powerful floating-point calculations and high performance parallel execution capabilities are adopted in this design and they accelerate PFB and FFT algorithms, therefore improve the efficiency of the filter bank. Experiment results show that the polyphase filter bank designed in this paper has certain flexibility and extensibility; it can implement high-speed filtering and high-speed channelization and improve computing efficiency and parallel data processing capability for astronomical digital backend algorithms.
- CUDA,
- GPU,
- Polyphase filter banks,
- Parallel data processing

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References (6)

References

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