Radio Science

  1. Research Articles

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    2. Research Articles
    1. Salient features of the dual-frequency, dual-polarized, Doppler radar for remote sensing of precipitation (pages 1087–1105)

      Manuel A. Vega, V. Chandrasekar, James Carswell, Robert M. Beauchamp, Mathew R. Schwaller and Cuong Nguyen

      Article first published online: 18 NOV 2014 | DOI: 10.1002/2014RS005529

      Key Points

      • Describe the D3R as part of the GPM ground validation
      • Provide a technical description of the D3R subsystems and calibration methods
      • Characterize the performance of the D3R for remote sensing of precipitation
    2. Performance evaluation of sum-of-cisoids Rice/Rayleigh fading channel simulators with respect to the bit error probability (pages 997–1007)

      M. Pätzold and G. Rafiq

      Article first published online: 4 NOV 2014 | DOI: 10.1002/2014RS005496

      Key Points

      • The performance of sum-of-cisoids channel simulators has been studied
      • The influence of the channel parameters on the system performance is studied
    3. Experimental assessment of snow-induced attenuation on an Earth-space link operating at Ka-band (pages 933–944)

      César Amaya, José-Miguel García-Rubia, Pierre Bouchard and Tu Nguyen

      Article first published online: 21 OCT 2014 | DOI: 10.1002/2014RS005547

      Key Points

      • Snow attenuation on a 20 GHz satellite link did not exceed 2 dB
      • Dry snow, wet snow, and freezing rain were carefully identified
      • Signal degradation due to snow/ice accumulation on antenna is illustrated
    4. Investigating raindrop shapes, oscillation modes, and implications for radio wave propagation (pages 921–932)

      M. Thurai, V. N. Bringi, A. B. Manić, N. J. Šekeljić and B. M. Notaroš

      Article first published online: 20 OCT 2014 | DOI: 10.1002/2014RS005503

      Key Points

      • Collision induced mixed-mode drop oscillations
      • 2DVD and polarimetric-radar measurements and wind-tunnel experiments
      • Method-of-moments scattering calculations of asymmetric drops
    5. You have full text access to this OnlineOpen article
      Climate trends and variability of rain rate derived from long-term measurements in Norway (pages 788–797)

      Terje Tjelta and Jostein Mamen

      Article first published online: 29 SEP 2014 | DOI: 10.1002/2014RS005477

      Key Points

      • Analyzed Norwegian long-term rain rate data indicate climate change
      • The rain rate varies considerably from year to year
      • The effect on radio systems can be significant
    6. Aquarius: Status and recent results (pages 709–720)

      D. M. Le Vine, E. P. Dinnat, G. S. E. Lagerloef, P. de Matthaeis, S. Abraham, C. Utku and H. Kao

      Article first published online: 11 SEP 2014 | DOI: 10.1002/2014RS005505

      Key Points

      • Status of the Aquarius instrument and retrieval of sea surface salinity
      • Examples of measurements including Faraday rotation, RFI, and salinity retrievals
    7. Advanced time series synthesizer for simulation of joint rain attenuation conditions (pages 699–708)

      R. Nebuloni, C. Capsoni and M. Luccini

      Article first published online: 9 SEP 2014 | DOI: 10.1002/2014RS005541

      Key Points

      • A method for generating time series of microwave rain attenuation is proposed
      • Simulations of a gateway network over multiple sites are shown
    8. Equipment selection heuristics for microwave fixed links (pages 630–642)

      I. D. Flood and S. M. Allen

      Article first published online: 18 AUG 2014 | DOI: 10.1002/2014RS005484

      Key Point

      • Doubling the bandwidth on selected microwave links is spectrally efficient
    9. Characteristics of rainfall queues for rain attenuation studies over radio links at subtropical and equatorial Africa (pages 583–596)

      Akintunde A. Alonge and Thomas J. Afullo

      Article first published online: 13 AUG 2014 | DOI: 10.1002/2014RS005424

      Key Points

      • Rainfall process over a radio link follows a semi-Markovian queueing process
      • The queueing distributions follow the M/Ek/s queue discipline
      • The queueing parameters at equatorial and subtropical regions are unique
    10. You have full text access to this OnlineOpen article
      Propagation measurements on a line-of-sight over-water radio link in Norway (pages 531–548)

      Per Thorvaldsen and Ingvar Henne

      Article first published online: 23 JUL 2014 | DOI: 10.1002/2013RS005338

      Key Points

      • The impact of wet snow on wave propagation
      • The unavailability of radio link communication due to weather conditions
    11. You have full text access to this OnlineOpen article
      Measured and modeled spatial rain rate correlation to improve the prediction method for satellite site diversity

      Terje Tjelta, Jostein Mamen, Lars Erling Bråten and Per Arne Grotthing

      Article first published online: 17 DEC 2014 | DOI: 10.1002/2014RS005476

      Key Points

      • Spatial rain rate data have been analyzed to derive correlation coefficients
      • The study is of particular importance for satellite site diversity
      • A new site diversity prediction model has been developed
    12. Rice Growth Monitoring using Simulated Compact Polarimetric C-band SAR

      Zhi Yang, Kun Li, Long Liu, Yun Shao, Brian Brisco and Weiguo Li

      Accepted manuscript online: 5 DEC 2014 01:30AM EST | DOI: 10.1002/2014RS005498

      Key Points

      • To discriminate hybrid rice and japonica rice using 9 temporal images
      • To build an algorithm to monitor the phenological stage from relevant intervals
    13. Ground-based radiometric measurements of slant-path attenuation in the V/W bands

      George Brost and Kevin Magde

      Article first published online: 5 DEC 2014 | DOI: 10.1002/2014RS005552

      Key Points

      • Slant-path brightness temperatures were measured at 72.5 and 82.5 GHz
      • A model-based attenuation retrieval algorithm was developed
      • Slant-path attenuation statistics were determined