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Since the target and clutter information are included in the received signal at the beginning of the design, DMI\u2010based waveform is designed according to the following criterion: maximizing the MI between the received signal and target impulse response while minimizing the MI between the received signal and the clutter impulse response. This criterion is equivalent to maximizing the difference between the first MI and the second MI. Then maximizing the difference of two types of MI is used as the objective function, and the optimization model with the transmitted waveform energy constraint is established. In order to solve it, we resort to maximum marginal allocation (MMA) method to find the DMI\u2010based waveform. Since DMI\u2010based waveform does not allocate energy to the frequency band where the clutter power spectral density (PSD) is greater than the target PSD, we propose to weight the MI\u2010based waveform and DMI\u2010based waveform to synthesize the final optimal waveform. It could provide different trade\u2010offs between two types of MI. Simulation results show the proposed algorithm is valid.<\/jats:p>","DOI":"10.1155\/2021\/8947450","type":"journal-article","created":{"date-parts":[[2021,1,28]],"date-time":"2021-01-28T22:20:06Z","timestamp":1611872406000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Adaptive Radar Waveform Design Based on Weighted MI and the Difference of Two Mutual Information Metrics"],"prefix":"10.1155","volume":"2021","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6365-3007","authenticated-orcid":false,"given":"Fengming","family":"Xin","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1563-6840","authenticated-orcid":false,"given":"Bin","family":"Wang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8507-6770","authenticated-orcid":false,"given":"Shumin","family":"Li","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xin","family":"Song","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chi-Hsu","family":"Wang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2021,1,28]]},"reference":[{"volume-title":"On the Satisfaction of Modulus and Ambiguity Function Constraints in Radar Waveform Optimization for Detection","year":"2010","author":"Patton L. 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