Abstract: The proportional-integral-differential (PID) controller is improved to meet control system requirements for the boost-glide rocket with difficulty in manually adjusting parameters. A method ...
Abstract: Direct fetal electrocardiogram (FECG) plays a crucial role in assessing fetal health and monitoring pregnancy conditions. Extracting high-quality FECG signals from maternal abdominal ...
Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...
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