This master thesis has focused on the aspect of UWB antenna design for the impulse based UWB radar which is built on CMOS technology. The design of new UWB antenna faces some challenges. The antenna should be compact, preferably conformal, low cost for manufacture, and have good electrical performance, such as good matching, directional radiation performance over a wide band, good time response...

This paper describes a small scale VHF Spaced Antenna Boundary Layer Radar which has been developed using only three antennas. This radar was deployed at Buckland Park, Adelaide Australia for five days in October 2003. Comparisons with a 27 antenna VHF Boundary Layer Radar installed at the same site show excellent agreement with comparable coverage.

n A new antenna and radar-cross-section measurements facility consisting of four anechoic chambers has recently been constructed at Lincoln Laboratory on Hanscom Air Force Base. One of the chambers is a large compact range facility that operates over the 400 MHz to 100 GHz band, and consists, in part, of a large temperature-controlled rectangular chamber lined with radar-absorbing material that...

Automotive radar systems utilizing the millimeterwave band have been developed 2) since they can detect targets even in bad weather. In the automotive radar systems, linear polarization inclined 45 degrees is utilized in order to avoid mutual radio interference between them. The antenna for the automotive radar systems is required to have high efficiency, which means high gain against for an ap...

this paper describes the design of a 2x2 micro strip patch antenna array in the frequency of 9.5ghz for radar applications, using substrate integrated waveguide, siw, for feeding network. the micro strip patches are aperture-coupled with the feeding network of siw. the feeding network consisting of a perpendicular coax-to-siw transition and two y-junction power dividers. the antenna is simulate...

Ground based space debris radar system utilizing a multibeam reflector antenna and digital beam-forming techniques allows a tracking of target within a large angular segment and supports the realization of an advanced Track While Scan mode characterized by a large search volume and simultaneous high detection and capture probabilities. This paper considers the concept and the main operational p...

Recently, there has been great interest in the development of advanced radar systems with phased arrays [1], [2]. In traditional multichannel radar array systems, the number of receivers should be equal to the number of receiving antennas, so the hardware expense and power consumption are very high [3]. A radar array system based on antenna switching is a promising substitute due to its lower c...

Before the development of the first synthetic aperture radar (SAR) antenna flown in space, Jet Propulsion Laboratory (JPL) was involved in an aircraft radar program to image the Earth surface for various science applications. This radar was flown on a Convair CV-990 aircraft with the antenna attached to one of the baggage doors of the airplane. The antenna was a planar array with eight radiatin...

Synthetic aperture radar (SAR) is an active remote sensing tool operating in the microwave range of the electromagnetic spectrum. It uses the motion of the radar transmitter to synthesize an antenna aperture much larger than the actual antenna aperture in order to yield high spatial resolution radar images (Curlander & McDonough, 1991). It has been applied to military survey, terrain mapping, a...