Results 101 to 110 of about 51,064 (263)
Efficient and Secure Outsourcing of DFT, IDFT, and Circular Convolution
IEEE Access, 2019 Discrete Fourier transform (DFT), inverse DFT (IDFT), and circular convolution are important tools for analyzing and designing discrete signals and systems, and are widely used in various industries.
Xiangli Xiao +3 more
doaj +1 more source
Carbon Energy, EarlyView.This study introduces a newly discovered oxide path mechanism (OPM) for the oxygen evolution reaction (OER), emphasizing the role of in‐situ and operando characterization techniques in unraveling catalyst behavior under realistic conditions. The integration of advanced spectroscopic methods provides new mechanistic insights for the design of highly ...
Rabia Khalid +4 more
wiley +1 more source
DCT/DST-based frequency modulated-OFDM
ICT ExpressAmong the recent advancements in waveform design for wireless communication, the frequency-modulated orthogonal frequency-division multiplexing (FM-OFDM) has gained attention due to its resilience to phase noise and Doppler spread, as well as its zero-dB
Gosan Noh +3 more
doaj +1 more source
Carbon Energy, EarlyView.The low light/CO2 capture and slow dynamic transfer of photogenerated electrons hamper photocatalysts’ high activity and selectivity. Inspired by the chloroplast's photosynthesis mechanism, an all‐in‐one lignin‐based artificial thylakoid nanovesicle (AiO‐L‐ATN) is constructed using a confined growth strategy of lignin molecules. The performance of such
Hang Wang +6 more
wiley +1 more source
Computing a k-sparse n-length Discrete Fourier Transform using at most 4k samples and O(k log k) complexity [PDF]
, 2015 Given an $n$-length input signal $\mbf{x}$, it is well known that its Discrete Fourier Transform (DFT), $\mbf{X}$, can be computed in $O(n \log n)$ complexity using a Fast Fourier Transform (FFT).
Pawar, Sameer, Ramchandran, Kannan
core
Carbon Energy, EarlyView.Keggin‐type Al‐POM‐coated silica achieves selective surface oxidation of amorphous carbon through electrostatic attraction and proton‐coupled oxidation, tailoring interfacial properties for lithium‐ion batteries and semiconductor processes. ABSTRACT Amorphous carbon is widely used in energy storage and semiconductor technologies, where surface ...
Ganggyu Lee +13 more
wiley +1 more source
Carbon Energy, EarlyView.This study designs a CrOx‐engineered Ni‐based catalyst enabling efficient and stable seawater electrolysis. The catalyst utilizes a dynamic interfacial barrier that selectively adsorbs OH− to repel Cl− corrosion while activating lattice oxygen‐mediated pathways.
Rui Liu +7 more
wiley +1 more source
Low-Power and Optimized VLSI Implementation of Compact Recursive Discrete Fourier Transform (RDFT) Processor for the Computations of DFT and Inverse Modified Cosine Transform (IMDCT) in a Digital Radio Mondiale (DRM) and DRM+ Receiver [PDF]
, 2013 Shin-Chi Lai +2 more
openalex +1 more source
Deep Underground Science and Engineering, EarlyView.We use the linear Boolean model and the discrete Fourier transformation approach to generate various carbonate rocks. The lattice Boltzmann method and the finite element method are applied to calculate permeability and elastic wave velocity, respectively.
Yutian Zhang +7 more
wiley +1 more source
Low complexity precoding codebook design based on DFRST for limited feedback precoded OSTBC systems
EURASIP Journal on Wireless Communications and Networking, 2017 Precoding techniques can be used in multiple input multiple output (MIMO) system to assign resources such as power and information optimally. This paper is concerned with limited feedback in precoded orthogonal space time block code (OSTBC) systems ...
Han Hai +3 more
doaj +1 more source