Abstract. Cloud and precipitation processes are still a main source of uncertainties in numerical weather prediction climate change projections. The Priority Programme “Polarimetric Radar Observations meet Atmospheric Modelling (PROM)”, funded by the German Research Foundation (Deutsche Forschungsgemeinschaft, DFG), is guided hypothesis that many relate to lack observations suitable challenge r...

Abstract. Radar dual-wavelength ratio (DWR) measurements from the Stony Brook Observatory Ka-band scanning polarimetric radar (KASPR, 35 GHz), a W-band profiling (94 and next-generation K-band (24 GHz) micro rain (MRRPro) were exploited for ice particle identification using triple-frequency approaches. The results indicated that two of frequencies (K Ka band) are not sufficiently separated; thu...

China New Generation Doppler Weather Radar (CINRAD) plans to upgrade its hardware and software achieve polarimetric function. However, the small-magnitude measurements were negatively affected by scattering characteristics of ground clutter filter’s response clutter. This contamination was characterized decreased differential reflectivity (ZDR) cross-correlation coefficient (ρhv), as well an in...

This chapter outlines an R&D plan of risk reduction activities to support a decision on how best to meet the Nation's future needs for surveillance radar. After the overview of goals and objectives in section 6.1, sections 6.2 through 6.4 present the three major components of the proposed R&D work: • Technology development and testing; • Proof of MPAR operational concepts; and • Refinement of t...

in this paper, an unsupervised method for change detection in the multitemporal multipolarization synthetic aperture radar (sar) imagery is proposed. a matrix distance measure, named symmetric revised wishart is used as a test statistic in order to assess the similarity of two multitemporal multilook polarimetric sar data and a variance-based thresholding algorithm is applied to the test statis...

Introduction: Imaging radars with wavelengths in the range of 10 cm to 1 m can deeply penetrate the surface of an icy body, revealing details of the geo-morphology, local structure, and electrical properties of the upper layers. Radar studies of icy surfaces on Earth have used the polarization state of backscatter echoes at multiple frequencies to characterize the surface and subsurface propert...

Due to the rapid increase in 76 GHz automotive spectrum use recent years, wireless interference is becoming a legitimate area of concern. However, rise interest automated vehicles (AVs) has also spurred new growth and adoption low frequency vehicle-to-everything (V2X) communications around 5.8 unlicensed bands, opening possibility for reuse form joint radar-communications (JRC). In this work, w...

Weather radar systems are very suitable tools for the monitoring of extreme rainfall events providing measurements with high spatial and temporal resolution over a wide geographical area. Nevertheless, radar rainfall retrieval at C-band is prone to several error sources, such as rain path attenuation which affects the accuracy of inversion algorithms. In this paper, the so-called rain profiling...