{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T01:47:11Z","timestamp":1760233631628,"version":"build-2065373602"},"reference-count":30,"publisher":"MDPI AG","issue":"4","license":[{"start":{"date-parts":[[2021,2,5]],"date-time":"2021-02-05T00:00:00Z","timestamp":1612483200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Yang Yong","award":["ZDYF2019195"],"award-info":[{"award-number":["ZDYF2019195"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>It is known that the data acquisition and processing system plays an important role in radar target detection system. In order to meet the requirements of real-time processing and accurate transmission of echo signals in high-frequency ground-wave radar (HFGWR) systems, a new acquisition and transmission framework utilizing the designed acquisition card based on the PCIe (peripheral component interconnect express) has been designed and is presented in this paper. The Xilinx FPGA (Field-Programmable Gate Array) chip Kintex7-XC7K325T is adopted as a hardware carrier in acquisition card. The hardware\u2019s composition, analog front-end circuit, the DMA (Direct Memory Access) transmission, FPGA structure, ADC (Analog-to-Digital Converter) chip, and performance test of this card are showed and discussed. Currently, the acquisition card has been accomplished and applied in the practical system of HFGWR.<\/jats:p>","DOI":"10.3390\/s21041128","type":"journal-article","created":{"date-parts":[[2021,2,7]],"date-time":"2021-02-07T14:04:13Z","timestamp":1612706653000},"page":"1128","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Multi-Channel Data Acquisition Card under New Acquisition and Transmission Architecture of High Frequency Ground Wave Radar"],"prefix":"10.3390","volume":"21","author":[{"given":"Yang","family":"Bai","sequence":"first","affiliation":[{"name":"Department of Electronics and Information Engineering, Harbin Institute of Technology, Harbin 150001, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5423-5070","authenticated-orcid":false,"given":"Xin","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Electronics and Information Engineering, Harbin Institute of Technology, Harbin 150001, China"}]},{"given":"Qiang","family":"Yang","sequence":"additional","affiliation":[{"name":"Department of Electronics and Information Engineering, Harbin Institute of Technology, Harbin 150001, China"}]},{"given":"Yong","family":"Yang","sequence":"additional","affiliation":[{"name":"The Ocean Observation Institute, Hainan Tropical Ocean University, Sanya 572022, China"}]},{"given":"Weibo","family":"Deng","sequence":"additional","affiliation":[{"name":"Department of Electronics and Information Engineering, Harbin Institute of Technology, Harbin 150001, China"}]},{"given":"Di","family":"Yao","sequence":"additional","affiliation":[{"name":"School of Information Science and Engineering, Harbin Institute of Technology at Weihai, Weihai 264209, China"}]}],"member":"1968","published-online":{"date-parts":[[2021,2,5]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1572","DOI":"10.1109\/LCOMM.2019.2926262","article-title":"The Acquisition Method of Symmetry Chirp Signal Used in LEO Satellite Internet of Things","volume":"23","author":"Qian","year":"2019","journal-title":"IEEE Commun. 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