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Adaptive PTS approach for reduction of peak-to-average power ratio of OFDM signal [PDF]

Electronics Letters, 2000
An adaptive partial transmit sequence (PTS) technique is presented for the reduction of the peak-to-average power ratio (PAP) of an orthogonal frequency division multiplexing (OFDM) signal.
A D S Jayalath
exaly   +1 more source

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Polarizability of atomic Pt, Pt+, and Pt−

The Journal of Chemical Physics, 2021
Electrostatic properties are important for understanding and modeling many phenomena, such as the adsorption of a catalytic metal upon an oxide support. The charge transfer between the metal and the support can lead to positive or negative charges on the metal.
openaire   +2 more sources

Pt/Rh/Pt and Pt/Ru/Pt multilayers for the electrochemical oxidation of methanol and ethanol

Electrochimica Acta, 2020
Abstract The study of metallic multilayers (MM) has presented interesting highlights to understand electrocatalytic properties for organic molecules oxidation. This work reports the preparation and characterization of MM using rhodium or ruthenium as an intermediate layer, Ptpc/Rh/Pt and Ptpc/Ru/Pt, aiming to evaluate the electrocatalytic activity ...
Camila Daiane Silva, Patricia Gon Corradini, Vinicius Del Colle, Lucia Helena Mascaro, Fabio Henrique Barros de Lima, Ernesto Chaves Pereira   +5 more
openaire   +1 more source

Comparative Study of Pt/Pd and Pt–Rh/Pt Thermocouples

International Journal of Thermophysics, 2010
The Pt/Pd thermocouple has demonstrated superior thermoelectric drift and homogeneity performance over conventional Pt–Rh/Pt thermocouples. Here, we present a systematic comparison of the drift and homogeneity performance of Pt/Pd and Type R thermocouples by ageing the thermocouples at 1350 °C for a total of 500 h and measuring the performance at ...
Ongrai, O, Pearce, JV, Machin, G, Sweeney, SJ   +3 more
openaire   +3 more sources

Energetics of Pt adsorption on Pt(111)

Physical Review B, 1994
First-principles local-density-functional (FP-LDF) and embedded-atom-method (EAM) total energies, for a single Pt atom adsorbed on Pt(111), are compared to each other and to field-ion-microscope (FIM) observations. Our EAM calculations predict a small barrier to diffusion and only a slight energy difference between adsorption in the fcc and hcp ...
, Feibelman, , Nelson, , Kellogg
openaire   +2 more sources