{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,21]],"date-time":"2026-02-21T18:23:45Z","timestamp":1771698225750,"version":"3.50.1"},"reference-count":51,"publisher":"MDPI AG","issue":"4","license":[{"start":{"date-parts":[[2024,2,9]],"date-time":"2024-02-09T00:00:00Z","timestamp":1707436800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["61871384"],"award-info":[{"award-number":["61871384"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["2022RC1092"],"award-info":[{"award-number":["2022RC1092"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Science and Technology Innovation Program of Hunan Province","award":["61871384"],"award-info":[{"award-number":["61871384"]}]},{"name":"Science and Technology Innovation Program of Hunan Province","award":["2022RC1092"],"award-info":[{"award-number":["2022RC1092"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Remote Sensing"],"abstract":"<jats:p>The cognitive radar framework presents a closed-loop adaptive processing paradigm that ensures the efficient acquisition of target information while exploring the environment and enhancing overall sensing performance. In this study, instead of mutual information, we employed the squared Pearson correlation coefficient (SPCC) to measure the target information in observations specifically considering only linear dependency. A waveform design method is proposed that simultaneously maximizes target information and minimizes the integrated sidelobe level (ISL) under the constant modulus constraint (CMC). To enhance computational efficiency, we reformulated the constrained problem as an unconstrained optimization problem by leveraging the inherent geometric property of CMC. Additionally, we present two conditional equivalences associated with waveform design in relation to target information. The simulation results validate the feasibility and effectiveness of the proposed method.<\/jats:p>","DOI":"10.3390\/rs16040645","type":"journal-article","created":{"date-parts":[[2024,2,9]],"date-time":"2024-02-09T08:12:03Z","timestamp":1707466323000},"page":"645","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Waveform Design for Target Information Maximization over a Complex Circle Manifold"],"prefix":"10.3390","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5189-736X","authenticated-orcid":false,"given":"Ruofeng","family":"Yu","sequence":"first","affiliation":[{"name":"College of Electronic Science and Technology, National University of Defence Technology, Changsha 410073, China"}]},{"given":"Yaowen","family":"Fu","sequence":"additional","affiliation":[{"name":"College of Electronic Science and Technology, National University of Defence Technology, Changsha 410073, China"}]},{"given":"Wei","family":"Yang","sequence":"additional","affiliation":[{"name":"College of Electronic Science and Technology, National University of Defence Technology, Changsha 410073, China"}]},{"given":"Mengdi","family":"Bai","sequence":"additional","affiliation":[{"name":"College of Electronic Science and Technology, National University of Defence Technology, Changsha 410073, China"}]},{"given":"Jingyang","family":"Zhou","sequence":"additional","affiliation":[{"name":"School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China"}]},{"given":"Mingfei","family":"Chen","sequence":"additional","affiliation":[{"name":"College of Electronic Science and Technology, National University of Defence Technology, Changsha 410073, China"}]}],"member":"1968","published-online":{"date-parts":[[2024,2,9]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"30","DOI":"10.1109\/MSP.2006.1593335","article-title":"Cognitive radar: A way of the future","volume":"23","author":"Haykin","year":"2006","journal-title":"IEEE Signal Process. 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