2024RAA....24k5016W

Query : 2024RAA....24k5016W

2024RAA....24k5016W - Research in Astron. and astroph., 24, part no 11, 5016 (2024/November-0)

Research on a Multi-source RFI Mitigation Algorithm Using a Reference Antenna Array.

WU H., ZHANG H.-L., ZHANG Y.-Z., WANG J., YE X.-C., DU X. and ZHANG T.

Abstract (from CDS):

We propose a multi-source radio frequency interference (RFI) mitigation method based on a reference antenna array to address the challenge of RFI from multiple directions in radio observation equipment. It introduces a sampling point correction technique using a multi-channel parallel cross-correlation computation method, enhancing the effectiveness of frequency domain adaptive RFI fast mitigation algorithms. The design implements an RFI component detection method based on cross-correlation coefficient thresholds to effectively reduce new interference frequency components introduced by the reference antenna array. Simulated RFI signals and baseband signals of pulsar J0332+5434 observed by the Nanshan 26 m Radio Telescope (NSRT) were used to test the algorithm proposed in this paper. Simulation results demonstrate that the simulated radio telescope signals after RFI mitigation closely match the original pulsar data in profile and phase, confirming the effectiveness of the proposed method.

Abstract Copyright: © 2024 National Astronomical Observatories, CAS and IOP Publishing Ltd. All rights, including for text and data mining, AI training, and similar technologies, are reserved.

Journal keyword(s): methods: data analysis - techniques: interferometric - (stars:) pulsars: individual

Simbad objects: 1

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Number of rows : 1
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 PSR B0329+54 Psr 03 32 59.3370698592 +54 34 45.028206408           ~ 690 1

Query : 2024RAA....24k5016W

Basic data :
PSR B0329+54 -- Pulsar
Other object types: otypes_help 		Rad (GB6,MY,...), Psr (PSR,PULS), * (Gaia), NIR (2MASS)
ICRS coord. (ep=J2000) : 		03 32 59.3370698592 +54 34 45.028206408 (Optical) [ 0.4683 0.4608 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		03 29 11.0039353995 +54 24 38.968936308 [ 0.4683 0.4608 90 ]
Gal coord. (ep=J2000) : 		144.9949679143101 -01.2203063262975 [ 0.4683 0.4608 90 ]
Proper motions mas/yr : 		5.020 -2.503 [0.582 0.657 90] A 2020yCat.1350....0G
Parallaxes (mas): 		0.209 [0.6583] A 2020yCat.1350....0G
Fluxes (4) :
G 20.136793 [0.006418] C 2020yCat.1350....0G
J 17.093 [0.193] D 2003yCat.2246....0C
H 16.183 [0.203] D 2003yCat.2246....0C
K 15.556 [0.172] D 2003yCat.2246....0C
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Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 1 		Display criteria :

Identifiers (16) :
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PSR B0329+54 NVSS J033259+543444 TGSSADR J033259.1+543442 WN B0329.1+5424
GB6 B0329+5425 PSR J0332+5434 TIC 316847481 WSTB 32W244
2MASS J03325936+5434448 PULS CP 0329 TXS 0329+544 Gaia DR2 445135392719883904
MY 032910.9+543447.0 PULS CP 0328 WN J0332+5434 Gaia DR3 445135392719883904

References (690 between 1850 and 2026) (Total 690)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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Collections of Measurements Description of Measurements

Distance : 1    Plx : 3    PM : 3   

   

External archives :

Data at NED - NASA/IPAC Extragalactic Database : PSR B0329+54

Link by name to the catalogue in VizieR :

2MASS J03325936+5434448 NVSS J033259+543444 WN J0332+5434 WN B0329.1+5424 Gaia DR2 445135392719883904
Gaia DR3 445135392719883904

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