Null fill

Null fill is used in radio antenna systems which are located on mountains or tall towers, to prevent too much of the signal from overshooting the…

Papers overview

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2017

The new ATSC 3.0 broadcast standard will provide new transmission capabilities. Broadcasters will have options and flexibility to…

2016

This paper proposes the simple design method to reduce amplitude ripples of sidelobe peak revel in equispaced N-elements linear…

2015

Para el mejoramiento de un sistema de transmision de television RF, es muy importante el diseno, ensamblaje y puesta en marcha de…

2013

The Schelkunoff polynomial method of array synthesis is extended to the design of arrays with null-fill at one or several…

2012

Radar Dome, or usually called Radome, is usually placed over the antenna as an antenna protector from any physical thing that…

2005

A wide-angle null-fill antenna with no null in the depression angle range, an omni antenna using the same, and radio…

2005

This paper addresses a hybrid PO/NF-FF method using near-field to far-field transformation combined with null-fill hypothesis to…

2004

Base station antennas for sector coverage must frequently maintain tight control of the azimuth pattern shape, with elevation…

1996

We discuss the optimization and design of a single-layer, single-patch antenna element for base station array antennas. Such an…

1969

In the selection of a transmitting antenna, factors such as power gain, height above terrain, horizontal pattern directivity…