Abstract: A new circularly polarized (CP) microstrip patch antenna with conical radiation pattern is proposed and investigated. The proposed CP antenna has a single feed, a low profile, and a very ...

College of Mathematics and Statistics, Fujian Normal University, Fuzhou, Fujian 350117, P. R. China Center for Applied Mathematics of Fujian Province, Fujian Normal ...

Trees improve air quality, minimize noise and dust, reduce storm water runoff, and enhance the urban landscape. Trees also benefit individual property owners by providing privacy, shade, reducing ...