Search Results - "Carvalho, N B"

How likely is Brazil to achieve its NDC commitments in the energy sector? A review on Brazilian low-carbon energy perspectives by Carvalho, N.B., Berrêdo Viana, D., Muylaert de Araújo, M.S., Lampreia, J., Gomes, M.S.P., Freitas, M.A.V.

“…This paper offers perspectives on the development of low-carbon energy technology in Brazil, pinpointing changes that have occurred since our former…”
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Frequency-Agile Real-Time All-digital Transmitter with 1 GHz of Bandwidth by Pereira, S. S., Almeida, Luis Filipe, Dinis, D. C., Oliveira, Arnaldo S. R., Monteiro, P. P., Carvalho, N. B.

“…This paper presents an all-digital transmitter implemented in a field programmable gate array (FPGA) that surpasses the state of art in terms of carrier…”
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Impact of Extracellular DNA on Architectural Parameters of Leptospira biflexa Biofilm by Gomes, T., Ribeiro, P. S., Carvalho, N. B., El-Hani, C. N., Figueira, C. P., Ristow, P.

“…Extracellular DNA (eDNA) is a major component of bacterial biofilms. In this study, we performed a three-dimensional analysis of Leptospira biofilm using…”
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Agile All-Digital RF Transceiver Implemented in FPGA by Cordeiro, R. F., Prata, Andre, Oliveira, Arnaldo S. R., Vieira, Jose M. N., De Carvalho, N. B.

“…This paper presents a new all-digital transceiver architecture fully integrated into a single field-programmable gate array chip. Both the radio frequency (RF)…”
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A GaN MMIC Stacked Doherty Power Amplifier For Space Applications by Costanzo, F., Camarchia, V., Carvalho, N. B., Colantonio, P., Piacibello, A., Quaglia, R., Valenta, V., Giofre, R.

“…This paper presents the design and the experimental results of a Monolithic Microwave Integrated Circuit Power Am-plifier in which the transistor-stacking…”
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Sub-6 GHz Multi-Band Multi-Carrier Remote Unit Based on RFSoC by Pereira, S.S., Almeida, L., Oliveira, A. S. R., Carvalho, N. B., Monteiro, P. P.

“…In this paper, a flexible Remote Unit (RU) with real-time modulation of 5G-like Orthogonal Frequency Division Multiplexing (OFDM) signals, capable of…”
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Cytokine profile and FVIII inhibitors development in haemophilia A by Oliveira, C. A., Velloso-Rodrigues, C., Machado, F. C. J., Carvalho, B. N., Gentz, S. H. L., Martins-Filho, O. A., Chaves, D. G.

“…Summary Haemophilia A is a hereditary bleeding disorder linked to the X chromosome characterized by a deficiency or defect in the coagulation factor VIII…”
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Cutaneous and Bone Marrow Histoplasmosis After 18 Years of Renal Allograft Transplant by Ibrahim, K. Y., Carvalho, N. B., Mimicos, E. V., Yeh-Li, H., Sotto, M. N., França, F. O. S.

“…The frequency of histoplasmosis among solid organ transplant (SOT) recipients appears to be low where there are only a few case series, mostly among renal and…”
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Evaluating co-channel distortion ratio in microwave power amplifiers by Pedro, J.C., Borges de Carvalho, N.

“…Laboratory results, obtained with a novel setup for a corrected co-channel distortion ratio, validate the idea that no matter the notch width, a conventional…”
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Risk and protective behaviors for chronic non-communicable diseases among Brazilian adults by de Carvalho, R.B.N., Rauber, F., Claro, R.M., Levy, R.B.

“…This study aimed to analyze behavioral patterns of protective and risk factors for chronic non-communicable diseases (NCDs) among adults and to explore the…”
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A comprehensive analysis of IMD behavior in RF CMOS power amplifiers by Fager, C., Pedro, J.C., de Carvalho, N.B., Zirath, H., Fortes, F., Rosario, M.J.

“…This paper presents a comprehensive analysis of nonlinear intermodulation distortion (IMD) behavior in RF CMOS power amplifiers (PAs). Separate analyses are…”
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Millimeter-Wave SWIPT System for Backscatter Self-Sustainable IoT Devices by Matos, D., Torres, R., Correia, R., Carvalho, N. B.

“…This manuscript presents an original concept for mm-wave non-dependent battery IoT devices. Firstly, both concept and components in focus for this work (reader…”
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Natural Killer Cell Subpopulations in Putative Resistant Individuals and Patients with Active Mycobacterium tuberculosis Infection by Barcelos, W, Sathler-Avelar, R, Martins-Filho, O.A, Carvalho, B.N, Guimarães, T.M.P.D, Miranda, S.S, Andrade, H.M, Oliveira, M.H.P, Toledo, V.P.C.P

“…Herein, we intended to perform flow-cytometric analyses of peripheral blood NK-cell subsets in patients with active tuberculosis (TB) and those putative…”
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Prediction of IMD in LDMOS transistor amplifiers using a new large-signal model by Fager, C., Pedro, J.C., de Carvalho, N.B., Zirath, H.

“…In this paper, the intermodulation distortion (IMD) behavior of LDMOS transistors is treated. First, an analysis is performed to explain measured IMD…”
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Time-varying Volterra-series analysis of spectral regrowth and noise power ratio in FET mixers by Garcia, J.A., De la Fuente, M.L., Pedro, J.C., Carvalho, N.B., Newport, Y., Mediavilla, A., Tazon, A.

“…This paper presents a direct and robust analysis technique for evaluating nonlinear distortion phenomena in FET mixers excited by multitone signals…”
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Designing multisine excitations for nonlinear model testing by Pedro, J.C., Carvalho, N.B.

“…This paper deals with the design of bandpass multisine excitations appropriate for microwave nonlinear model testing. A formal analysis showed that if the…”
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Large- and small-signal IMD behavior of microwave power amplifiers by De Carvalho, N.B., Pedro, J.C.

“…In this paper, large-signal intermodulation distortion (IMD) sweet spots in microwave power amplifiers are studied and predicted using a new mathematical…”
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Ultra-Wideband 4-PAM Backscatter Modulator based on BiCMOS technology for IoT/WPT Applications by Matos, D., Torres, R., Correia, R., Carvalho, N. B.

“…This paper presents a Pulse-Amplitude Modulation (PAM) backscatter modulator based on BiCMOS technology chip for Wireless Power Transmission (WPT)…”
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mm-Wave Backscatter front-end for 5G-IoT/WPT Applications by Matos, D., Correia, R., Carvalho, N. B.

“…This paper presents a mm-Wave backscatter frontend for IoT and WPT applications. The proposed circuit is capable of performing low-order modulations with low…”
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On the use of multitone techniques for assessing RF components' intermodulation distortion by Pedro, J.C., De Carvalho, N.B.

“…A comprehensive analysis of various techniques currently used for assessing microwave components' nonlinear distortion behavior is presented in this paper. The…”
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