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Keyi Li, Xiangyang Zhou, Yifan Jia, Ruizhe Wang et al. • Biosensors
(2026)
Background: Myocardial ischemia (MI) is a major cause of morbidity and mortality worldwide and requires timely and reliable detection. Although Spin-Exchange Relaxation-Free (SERF) magnetocardiography (MCG) provides femtotesla-level sensiti...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/bios16040228
Mohammed L. Jabbar, Abbas Shwya Alwan • مجلة علوم ذي قار
(2019)
Chopper is an important component in optical system. It represents a device, which changes the angle between the coordinate and vision lines of the target for the electrical signal. The chopper modulates the optical signal by a frequency de...
DOAJ
Open Access (DOAJ)