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Portable collision avoidance system

Known as: PCAS, Passive Collision Avoidance System 
A portable collision avoidance system (PCAS) is an aircraft collision avoidance system similar in function to traffic collision avoidance system… 
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Papers overview

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2019
2019
Here we report design, optimization and fabrication of a plasmon-assisted terahertz (THz) photoconductive antenna (PCA) for THz… 
Highly Cited
2017
Highly Cited
2017
This paper proposes two classes of time-modulated frequency diverse arrays for achieving time-invariant spatial focusing for… 
2014
2014
Silver is a well-known material in the field of contact materials because of its high electrical and thermal conductivity… 
2010
2010
Policy-based authorization systems are becoming more common as information systems become larger and more complex. In these… 
Highly Cited
1998
Highly Cited
1998
Early successional (pioneer) tropical tree species are characterized by a suite of ecophysiological and life history traits… 
1996
1996
Evolutionary Systems Design (ESD) is a universal general problem solving, formal modeling, design framework for purposeful…