Search Results - "Iturbide‐Sanchez, F."

Comparison of the AIRS, IASI, and CrIS Infrared Sounders Using Simultaneous Nadir Overpasses: Novel Methods Applied to Data From 1 October 2019 to 1 October 2020 by Loveless, M., Knuteson, R., Revercomb, H., Borg, L., DeSlover, D., Martin, G., Taylor, J., Iturbide‐Sanchez, F., Tobin, D.

“…High spectral resolution infrared sounders are an integral component of the global observing system and are used in a broad range of applications. This is…”
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Systematic and random errors between collocated satellite ice water path observations by Eliasson, S., Holl, G., Buehler, S. A., Kuhn, T., Stengel, M., Iturbide-Sanchez, F., Johnston, M.

“…There remains large disagreement between ice‐water path (IWP) in observational data sets, largely because the sensors observe different parts of the ice…”
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A physical approach for a simultaneous retrieval of sounding, surface, hydrometeor, and cryospheric parameters from SNPP/ATMS by Boukabara, S.-A., Garrett, K., Grassotti, C., Iturbide-Sanchez, F., Chen, W., Jiang, Z., Clough, S. A., Zhan, X., Liang, P., Liu, Q., Islam, T., Zubko, V., Mims, A.

“…We present in this study the results obtained when applying a physical algorithm based on a variational methodology to data from the Advanced Technology…”
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Application of the defected microstrip structure as a tuning technique for rectangular printed antennas by Tirado-Mendez, J. A., Jardón-Aguilar, H., Iturbide-Sanchez, F.

“…The present work establishes the use of the defected microstrip structure (DMS) as a novel method of tuning the central frequency of rectangular printed…”
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Retrieval of Atmospheric Water Vapor Density With Fine Spatial Resolution Using Three-Dimensional Tomographic Inversion of Microwave Brightness Temperatures Measured by a Network of Scanning Compact Radiometers by Padmanabhan, S., Reising, S.C., Vivekanandan, J., Iturbide-Sanchez, F.

“…Quantitative precipitation forecasting is currently limited by the paucity of observations on sufficiently fine temporal and spatial scales. Three-dimensional…”
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A Miniaturized Spectrometer Radiometer Based on MMIC Technology for Tropospheric Water Vapor Profiling by Iturbide-Sanchez, F., Reising, S.C., Padmanabhan, S.

“…The fabrication of a miniaturized ground-based water vapor profiling radiometer demonstrates the capability of monolithic microwave and millimeter-wave…”
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MiRS: An All-Weather 1DVAR Satellite Data Assimilation and Retrieval System by Boukabara, S-A, Garrett, K., Wanchun Chen, Iturbide-Sanchez, F., Grassotti, C., Kongoli, C., Ruiyue Chen, Quanhua Liu, Banghua Yan, Fuzhong Weng, Ferraro, R., Kleespies, T. J., Huan Meng

“…A 1-D variational system has been developed to process spaceborne measurements. It is an iterative physical inversion system that finds a consistent…”
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Assessment of a Variational Inversion System for Rainfall Rate Over Land and Water Surfaces by Iturbide-Sanchez, F., Boukabara, Sid-Ahmed, Ruiyue Chen, Garrett, K., Grassotti, C., Wanchun Chen, Fuzhong Weng

“…A comprehensive system that is used to invert the geophysical products from microwave measurements has recently been developed. This system, known as the…”
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AM-PM conversion introduced by weakly nonlinear circuits by Jardon-Aguilar, H., Aguilar-Torrentera, J., Iturbide-Sanchez, F.

“…This paper is related to a novel model for the AM-PM conversion characterization of systems. By means of nonlinear transfer function analysis, AM-PM conversion…”
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Three-Dimensional Humidity Retrieval Using a Network of Compact Microwave Radiometers to Correct for Variations in Wet Tropospheric Path Delay in Spaceborne Interferometric SAR Imagery by Sahoo, S., Reising, S. C., Padmanabhan, S., Vivekanandan, J., Iturbide-Sanchez, F., Pierdicca, N., Pichelli, E., Cimini, D.

“…Spaceborne interferometric synthetic aperture radar (SAR) (InSAR) imaging has been used for over a decade to monitor tectonic movements and landslides, as well…”
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A proposed defected microstrip structure (DMS) behavior for reducing rectangular patch antenna size by Tirado-Méndez, Jose Alfredo, Jardón-Aguilar, Hildeberto, Iturbide-Sánchez, Flavio, Garcia-Ruiz, Israel, Molina-Lopez, Victoria, Acevo-Herrera, Rene

“…A defected microstrip structure (DMS) is proposed to reducing the size of a rectangular patch antenna by increasing its electric length, without degrading its…”
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Non-linear performance in power amplifiers and LNA at 900 MHz and 1900 MHz by using low-level voltage supply by Jardon-Aguilar, H., Tirado-Mendez, J.A., Iturbide-Sanchez, F., Golovin, O.

“…This paper is related to different high-linear low noise amplifiers (LNA) and high-efficiency power amplifiers (PA) performance at 1900 MHz and 900 MHz,…”
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Performance of different simple linearizing techniques in SiGe LNA at 1900 MHz by Tirado-Mendez, J. Alfredo, Jardon-Aguilar, Hildeberto, Iturbide-Sanchez, Flavio

“…Five different linearizing methods were implemented to improve the linearity of a low noise amplifier (LNA). Obtaining a very good performance concerning…”
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Fabrication of a Miniaturized Spectrometer Based on MMIC Technology to Retrieve the 3-D Tropospheric Water Vapor Field by Iturbide-Sanchez, F., Reising, S.C., Jackson, R.W.

“…Knowledge of the temporal and spatial distribution of water vapor and liquid water in the troposphere is fundamental for short- and medium-range prediction of…”
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Cancellation of sub-harmonic and second harmonic components to improve the linearity of a low-power consumption LNA using SiGe HBT by Iturbide-Sanchez, Flavio, Jardon-Aguilar, Hildeberto, Tirado-Mendez, Jose Alfredo

“…Three simple methods to improve the third‐order intercept point (IP3) of a low‐noise amplifier (LNA) for personal communication systems (PCS) applications or…”
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Comparison of the effectiveness of four linearizing techniques used in SiGe HBT LNA at 1900 MHz and low-bias voltage by Tirado-Méndez, José Alfredo, Iturbide-Sánchez, Flavio, Golovin, Oleg, Jardón-Aguilar, Hildeberto

“…In this article, four linearizing techniques are compared with each other when they are used in a common‐emitter SiGe HBT LNA. Finally, when all of them are…”
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Estimation of 3-D Water vapor distribution using a network of compact microwave radiometers by Padmanabhan, S., Reising, S.C., Iturbide-Sanchez, F., Vivekanandan, I.J.

“…Quantitative precipitation forecasting is limited by the paucity of observations of water vapor in the troposphere. In particular, severe storms have been…”
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Different linearizing techniques to improve electromagnetic compatibility in SiGe LNA by Tirado-Mendez, J.A., Jardon-Aguilar, H., Iturbide-Sanchez

“…In this work three different structures are proposed to improve the linearity of SiGe amplifiers. The first structure, AFCE has the possibility of obtaining…”
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