Abstract: A parabolic cylinder reflector antenna has been designed for high-power radar observations of signals scattered from the ionospheric plasma at a frequency of 224 MHz. The antenna is ...

Abstract: A dual-polarized (DP) wideband parabolic reflector antenna with high aperture efficiency and low sidelobe level is proposed for L/S-band vehicular satellite communications. Initially, a pair ...

7.5 GHz has more gain than 2.5 GHz. Parabolic reflector antenna is designed with a fixed frequency of 10GHz with a varying radius of 0.05 m, 0.075 m, 0.1 m. After simulating, it was observed that the ...

But even the best SDR is constrained by the antenna it’s connected to ... the handy little 65-cm aluminum reflector looks like it’s on track to ship out this summer. The Discovery Dish ...

A wide operating band in achieved in the CPRA-118/C44 parabolic antenna due to a specifically designed, ultra wide band cross lo periodic array antenna feed. The parabolic reflector serves to enhance ...

Deep Space Station 23's 133-ton reflector dish was recently installed, marking a key step in strengthening NASA's Deep Space ...

This focussing effect is very strong with wavelengths less than the aperture of the reflector, making it particularly suitable for recording high frequency sounds such as birdsong. Schematic diagram ...

My custom-built, easily transportable parabolic antenna immediately sprang to mind ... A rule of thumb for optics is that a perfect reflector needs to have a surface finish within 1/10th to ...

Horn antennas are known for their high gain characteristics and are a popular choice for feeding reflectors in high gain applications such as satellite communications. Download this application note ...

parabolic reflector before it was bolted to a 65-foot-high (20-meter-high) alidade, a platform above the antenna’s pedestal that will steer the reflector during operations. “One of the biggest ...

The shadow is a dead spot directly in front of the feedhorn. Normally the feed horn constitutes an obstruction for the rays coming from the reflector at a parabolic antenna. To solve this problem the ...