Design of a novel CEM‐FRM‐based low‐complexity channelised radar transmitter

Abstract With the development of the radar technology, it is required that a radar has wider bandwidth and can transmit multiple signals simultaneously. The polyphase digital channelised transmitter structure can transmit multiple signals simultaneously and increase the bandwidth of the output signa...

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Autores principales: Wenxu Zhang, Xinlei Cui, Yongzhi Yu, Binghua Yuan
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Lenguaje:EN
Publicado: Wiley 2021
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Acceso en línea:https://doaj.org/article/b1d340ff972b4cf1b8f06f9a10f21207
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spelling oai:doaj.org-article:b1d340ff972b4cf1b8f06f9a10f212072021-11-12T15:34:30ZDesign of a novel CEM‐FRM‐based low‐complexity channelised radar transmitter1751-87921751-878410.1049/rsn2.12153https://doaj.org/article/b1d340ff972b4cf1b8f06f9a10f212072021-12-01T00:00:00Zhttps://doi.org/10.1049/rsn2.12153https://doaj.org/toc/1751-8784https://doaj.org/toc/1751-8792Abstract With the development of the radar technology, it is required that a radar has wider bandwidth and can transmit multiple signals simultaneously. The polyphase digital channelised transmitter structure can transmit multiple signals simultaneously and increase the bandwidth of the output signal. However, in order to reduce the frequency aliasing and improve the spectrum utilisation, the prototype filter needs to have sharp transition bandwidth. The design of the prototype filter directly affects the performance of the radar transmitter. Using the complex‐exponential modulation frequency‐response masking (CEM‐FRM) approach to design the prototype filter can obtain both sharp transition bandwidth and low complexity. The application of a polyphase structure can further reduce the complexity of the filter bank and make the sampling rate of the output signal several times the field programmable gate array operating frequency. The proposed CEM‐FRM‐based low complexity polyphase channelised radar transmitter is verified by MATLAB simulation and the theoretical complexity of the proposed CEM‐FRM‐based channelised radar transmitter structure is compared with other methods.Wenxu ZhangXinlei CuiYongzhi YuBinghua YuanWileyarticleTelecommunicationTK5101-6720ENIET Radar, Sonar & Navigation, Vol 15, Iss 12, Pp 1643-1655 (2021)
institution DOAJ
collection DOAJ
language EN
topic Telecommunication
TK5101-6720
spellingShingle Telecommunication
TK5101-6720
Wenxu Zhang
Xinlei Cui
Yongzhi Yu
Binghua Yuan
Design of a novel CEM‐FRM‐based low‐complexity channelised radar transmitter
description Abstract With the development of the radar technology, it is required that a radar has wider bandwidth and can transmit multiple signals simultaneously. The polyphase digital channelised transmitter structure can transmit multiple signals simultaneously and increase the bandwidth of the output signal. However, in order to reduce the frequency aliasing and improve the spectrum utilisation, the prototype filter needs to have sharp transition bandwidth. The design of the prototype filter directly affects the performance of the radar transmitter. Using the complex‐exponential modulation frequency‐response masking (CEM‐FRM) approach to design the prototype filter can obtain both sharp transition bandwidth and low complexity. The application of a polyphase structure can further reduce the complexity of the filter bank and make the sampling rate of the output signal several times the field programmable gate array operating frequency. The proposed CEM‐FRM‐based low complexity polyphase channelised radar transmitter is verified by MATLAB simulation and the theoretical complexity of the proposed CEM‐FRM‐based channelised radar transmitter structure is compared with other methods.
format article
author Wenxu Zhang
Xinlei Cui
Yongzhi Yu
Binghua Yuan
author_facet Wenxu Zhang
Xinlei Cui
Yongzhi Yu
Binghua Yuan
author_sort Wenxu Zhang
title Design of a novel CEM‐FRM‐based low‐complexity channelised radar transmitter
title_short Design of a novel CEM‐FRM‐based low‐complexity channelised radar transmitter
title_full Design of a novel CEM‐FRM‐based low‐complexity channelised radar transmitter
title_fullStr Design of a novel CEM‐FRM‐based low‐complexity channelised radar transmitter
title_full_unstemmed Design of a novel CEM‐FRM‐based low‐complexity channelised radar transmitter
title_sort design of a novel cem‐frm‐based low‐complexity channelised radar transmitter
publisher Wiley
publishDate 2021
url https://doaj.org/article/b1d340ff972b4cf1b8f06f9a10f21207
work_keys_str_mv AT wenxuzhang designofanovelcemfrmbasedlowcomplexitychannelisedradartransmitter
AT xinleicui designofanovelcemfrmbasedlowcomplexitychannelisedradartransmitter
AT yongzhiyu designofanovelcemfrmbasedlowcomplexitychannelisedradartransmitter
AT binghuayuan designofanovelcemfrmbasedlowcomplexitychannelisedradartransmitter
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