Abstract: A novel design methodology is presented for correlator antenna arrays in radio astronomy applications. In order to characterize the spatial-filter-like performance of a correlator array, an ...

Abstract: This paper presents the fundamental principles of cognitive radio RF-system. A cognitive radio system searches and identifies unoccupied part of the spectrum to achieve the optimal mode of ...

Independent news. Trusted by Texans. About The Texas Tribune | Staff | Contact | Send a Confidential Tip | Ethics | Republish Our Work | Jobs | Awards | Corrections | Strategic Plan | Downloads | ...