Results 191 to 200 of about 257,364 (257)

High‐Performance n‐Type Organic Thermoelectrics Enabled by Control Over Microstructure, Orientation and Contact Plane in Naphthalenediimide‐Bithiazole‐Copolymer Films

Advanced Functional Materials, EarlyView.
Effective control over the crystalline contact plane and microstructure of a naphthalenediimide‐bithiazole copolymer enables high‐performance n‐type thermoelectrics. While rubbing alignment induces a detrimental edge‐on orientation, subsequent solvent vapor‐induced re‐orientation facilitates a favorable mixed face‐on/edge‐on morphology.
Suhao Wang, Said Oummouch, Huan Wei, Karl Thorley, Adam Marks, Arianna Magni, Xiuming Sun, Alessandra Pistillo, Bruno Schmaltz, Olivier Bardagot, Sabine Ludwigs, Alberto Salleo, Yuanyuan Hu, Martin Brinkmann   +13 more
wiley   +1 more source

Hybrid ray-tracing-QuaDRiGa/FDTD method for realistic 28 GHz exposure with 6G CF-MaMIMO in 3D outdoor environments. [PDF]

NPJ Wirel Technol
Wydaeghe R, Shikhantsov S, Vermeeren G, Martens L, Tanghe E, Joseph W.   +5 more
europepmc   +1 more source

Novel photonic crystal fibre for low-noise coherent supercontinuum generation. [PDF]

Sci Rep
Morel R, Millo J, Forget N, Thibaut V, Marcadier M, Jullien A, Pertot Y, Cassez A, Andrieux V, Labat D, Vanvincq O, Kudlinski A, Dudley JM, Sylvestre T.   +13 more
europepmc   +1 more source

Mechanisms of ultrasonic enhanced co-leaching of U and REEs from low-grade uranium resources. [PDF]

Ultrason Sonochem
Zeng J, Liu C, Li M, Ma Y, Zhou X, Wang X, Sun Z, Luo X, Zhou Z.   +8 more
europepmc   +1 more source

Resting-State Theta and Alpha Oscillations in Amputation and Phantom Limb Pain: A Pre-Registered High-Density EEG Study. [PDF]

Brain Topogr
Ramne M, Lendaro E.
europepmc   +1 more source

Influence of the Rapid Thermal Nitriding Process on the Properties of TiN Thin Films Obtained from TiO₂ Sol-Gel Layers. [PDF]

ACS Omega
Vallejo-Otero V, Crespo-Monteiro N, Valour A, Donnet C, Ollier N, Barnier V, Bleu Y, Gamet E, Jourlin Y.   +8 more
europepmc   +1 more source

Research on Plasma Characteristics of High-Power Impulse Magnetron Sputtering Ti-Nb-Cr Target and Its Effect on Film Properties. [PDF]

Materials (Basel)
Chen C, Li Y, Ma D, Jiang Q, Peng J, Wang J.   +5 more
europepmc   +1 more source

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Peak-to-Average Power Ratio of OTFS Modulation

IEEE Communications Letters, 2019
In this letter, we analyze the peak-to-average power ratio (PAPR) of orthogonal time frequency space modulation (OTFS) waveform. Towards this, we consider modulation symbols on an $N\times M$ delay-Doppler grid, where $N$ and $M$ are the number of Doppler and delay bins, respectively.
G. D. Surabhi, Rose Mary Augustine, Ananthanarayanan Chockalingam   +2 more
openaire   +2 more sources

On the distribution of the peak-to-average power ratio in OFDM signals

IEEE Transactions on Communications, 2001
Summary: The distribution of the peak-to-average power ratio (PAPR) in strictly band-limited orthogonal frequency-division multiplexing (OFDM) signals is studied. Assuming that the baseband OFDM signal is characterized as a band-limited complex Gaussian process, we first attempt to derive the exact distribution of the PAPR in the band-limited OFDM ...
Hideki Ochiai, Hideki Imai
openaire   +1 more source

DMT signals with low peak-to-average power ratio

Proceedings IEEE International Symposium on Computers and Communications (Cat. No.PR00250), 2003
This contribution proposes a new family of methods to reduce the peak-to-average power ratio (PAR) in discrete multi-tone (DMT) and orthogonal frequency division multiplexing (OFDM) systems. This method avoids the use of extra inverse fast Fourier transformations (IFFT) as were used in some previously published techniques, but instead is based on ...
Zekri, Mohamed, Boets, Patrick, Van Biesen, Leo   +2 more
openaire   +2 more sources