نتایج جستجو برای: always

تعداد نتایج: 147628  

Journal: :Index on Censorship 2004

Journal: :Journal of the Society for Gynecologic Investigation 2005

Journal: :Molecular Reproduction and Development 2016

Cognitive radio (CR) technology has been suggested for effective use of spectral resources. Spectrum sensing is one of the main operations of CR users to identify the vacant frequency bands. Cooperative spectrum sensing (CSS) is used to increase the performance of CR networks by providing spatial diversity. The accuracy of spectrum sensing is the most important challenge in the CSS process sinc...

Journal: :Nursing Administration Quarterly 2020

Journal: :Philosophical Inquiry in Education 2020

Journal: :Journal of British and Irish innovative poetry 2021

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