Phase-Tilt Array Antenna Design for Dense Distributed Radar Networks for Weather Sensing

Salazar, Jorge L.; Medina, Rubén Danilo Méndez; Knapp, Eric J.; McLaughlin, D.J.

doi:10.1109/igarss.2008.4780092

Cited by 18 publications

(11 citation statements)

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“…Short wavelength radars (C-and X-bands for example) require a more compact design that demands high component integration and low power consumption modules with acceptable RF performance level. The cost of CASA X-Band T/R modules based on COTS components is $567 for 100 units, which can be reduced to $341 if large quantities (>1000 units) are produced [11], [13]. Similarly the cost of a C-band ATSR T/R module based on COTS components is $399, which can be reduced to $188 for a production volume of 10,000 units [6].…”

Section: Cost and Technology Considerationsmentioning

confidence: 98%

“…To make use of these polarimetric features a minimum integrated cross-polarization below -20 dB and -40 dB is required for simultaneous transmit modes. In addition, a mismatch between co-polar beam antenna patterns (between H and V) below 7% is required [9]- [11]. This requirement is difficult to achieve without a high performance antenna array and the T/R modules.…”

Section: Architecturesmentioning

confidence: 99%

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T/R modules for active phased array radars

Salazar

Medina

Loew

2015

2015 IEEE Radar Conference (RadarCon)

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This paper presents a summary of the three T/R modules developed for weather active phased array radars. Critical factors that influence the system performance are discussed in terms of the technology and tradeoffs that includes cost. Performance is considered for deployable dual-polarized PAR radar systems. The three T/R modules and antenna aperture Line Replacement Units (LRU) have been designed, integrated and tested. Performance and cost are derived from affordability constraints imposed by the latest technology is presented.keywords-dual-polarized; T/R modules; active phased array; -e-scanning array; weather phased array antenna.

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Section: Cost and Technology Considerationsmentioning

confidence: 98%

Section: Architecturesmentioning

confidence: 99%

T/R modules for active phased array radars

Salazar

Medina

Loew

2015

2015 IEEE Radar Conference (RadarCon)

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“…Through the NSF Engineering Research Center for Collaborative Adaptive Sensing of the Atmosphere (CASA), we have developed a linear phased-array antenna that enables phase scanning in the azimuth plane (only) with mechanical actuation in the elevation plane [5]. The so-called "phase-tilt" array ( Fig.…”

Section: Phased Array Developmentmentioning

confidence: 99%

X- and W-band mobile Doppler radar observations from VORTEX2 and current developments

Frasier

Venkatesh

Orzel

et al. 2011

2011 IEEE RadarCon (RADAR)

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Over the past several years, UMass has developed and deployed two mobile Doppler radars for severe storm research. One is a W-band (95 GHz) Doppler radar that is used for fine-scale observations of tornadic features. It features a very narrow (0.18 • ) beamwidth. The other is a dual-polarized X-band Doppler radar used for coarser scale observations and polarimetric measurements for scatterer identification, and precipitation estimation. We show sample observations by these systems obtained during the 2009 and 2010 VORTEX2 experiments. UMass is presently developing a dual-polarized, solid-state, phased-array radar.

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“…In order to obtain a good compromise between beamwidth and side lobe level, Taylor -25dB (n=2) coefficients were used. The procedure to design this linear array antenna was based on the synthesis technique developed and discussed in detail by Salazar in [3]. Figure 2 shows the measured patterns of the linear array antenna embedded in the planar array of 18x32 elements for both polarizations (H and V).…”

Section: A Elevation Plane Antenna Patternsmentioning

confidence: 99%

Dual-polarization performance of the phase-tilt antenna array in a casa dense network radar

Salazar

Knapp

McLaughlin

2010

2010 IEEE International Geoscience and Remote Sensing Symposium

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In this paper the evaluation of dual-polarized scanning performance of a large planar array antenna for a solid state radar for weather is discussed. The antenna array is designed to operate at 9.36 GHz ±50 MHz, and the transmission and reception mode is configured to work alternatively. The antenna array architecture based on a series-fed array configuration of Dual-Polarized Aperture Coupled Patch Antennas (DP-ACPA) was designed and implemented to achieve the required radar polarimetric performance at low cost. Measured patterns of the array in the elevation and azimuth plane are used to evaluate the two principal polarimetric radar parameters (Z dr and LDR) over the scanning range in azimuth plane. It is shown that the biases in the differential reflectivity due the cross-polarization of this antenna configuration are negligible in comparison with the biases produced for the mismatch antenna patterns (H and V).Index Terms-Low cross-polarized phased array antenna, aperturecoupled patch antenna, dual-polarized array antenna and solid sate radar, CASA radar

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Phase-Tilt Array Antenna Design for Dense Distributed Radar Networks for Weather Sensing

Cited by 18 publications

References 1 publication

T/R modules for active phased array radars

T/R modules for active phased array radars

X- and W-band mobile Doppler radar observations from VORTEX2 and current developments

Dual-polarization performance of the phase-tilt antenna array in a casa dense network radar

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