Title:
DIGITAL RECEIVING DEVICE, SYSTEM AND METHOD FOR TRACKING AND OBSERVING TARGET RADIO SOURCE
Document Type and Number:
WIPO Patent Application WO/2021/164144
Kind Code:
A1
Abstract:
The present invention belongs to the technical field of signal processing, and in particular, relates to a digital receiving device, system and method for tracking and observing a target radio source, and aims to solve the problem in the prior art that a digital receiving system of an aperture synthesis radio telescope cannot accurately track and observe a target radio source. The present invention comprises: an analog-to-digital conversion module, a polyphase filtering module, a fast Fourier transform module and a phase compensation module, which are used for processing an inputted antenna signal and then outputting a spectrum signal of a target radio source; and further comprises: a standard-time acquisition module for acquiring a standard time stamp; a communication module for communicating with an upper computer; a delay parameter temporary storage module for storing a delay parameter to be compensated for; a control enabling module for generating an enabling signal; a delay module for delaying time; and a phase parameter generation module for temporarily storing the delay parameter to be compensated for and converting same into a phase compensation parameter. The present invention achieves precise and synchronous starting, real-time update and alignment of parameters to be compensated for, and compensates a delay difference changing with time, thereby achieving accurate and precise tracking and observation of a target radio source.
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Inventors:
SHU LIN (CN)
HAO JIE (CN)
LIANG JUN (CN)
SONG YAFANG (CN)
ZHAO LIANGTIAN (CN)
FAN QIUXIANG (CN)
FENG HUI (CN)
HU WENQING (CN)
HAO JIE (CN)
LIANG JUN (CN)
SONG YAFANG (CN)
ZHAO LIANGTIAN (CN)
FAN QIUXIANG (CN)
FENG HUI (CN)
HU WENQING (CN)
Application Number:
PCT/CN2020/092037
Publication Date:
August 26, 2021
Filing Date:
May 25, 2020
Export Citation:
Assignee:
INST AUTOMATION CAS (CN)
GUANGZHOU ARTIFICIAL INTELLIGENCE AND ADVANCED COMPUTING INST OF CASIA (CN)
GUANGZHOU ARTIFICIAL INTELLIGENCE AND ADVANCED COMPUTING INST OF CASIA (CN)
International Classes:
H04J3/06
Foreign References:
| CN106299702A | 2017-01-04 | |||
| CN202794329U | 2013-03-13 | |||
| CN102394855A | 2012-03-28 | |||
| US20110249769A1 | 2011-10-13 |
Attorney, Agent or Firm:
HENYOL INTELLECTUAL PROPERTY LAW CORPORATION (CN)
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