Results 61 to 70 of about 511,474 (198)

Hybrid-decoupling-based shared-aperture phased array antenna for Ku/Ka-band with low profile, wide-angle scanning and high isolation

open access: yesScientific Reports
This paper presents a low-profile Ku/Ka dual-band shared-aperture phased array antenna (SAPAA) that addresses conventional limitations in profile height, port isolation, and scanning angles through a hybrid-decoupling approach combining array decoupling ...
Wenxuan Xie   +4 more
doaj   +1 more source

Policing and the Police Function: What’s in a name?

open access: yesNordicum-Mediterraneum
This article calls for a renewed focus on the general assistance duties engrained in community policing, which brings the police officer into closer contact with the citizen. In this perspective, the essence of police work is to make society safer by tackling social problems. This supposes a number of preconditions.
openaire   +3 more sources

A large-scale analysis of racial disparities in police stops across the United States

open access: yesNature Human Behaviour, 2020
E. Pierson   +10 more
semanticscholar   +1 more source

A Quantitative Analysis of Street-Level Drugs Seized in New South Wales, Australia: Purity, Dose and Adulterants. [PDF]

open access: yesDrug Alcohol Rev
Smith JL   +7 more
europepmc   +1 more source

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