نتایج جستجو برای: frequency domain fd
تعداد نتایج: 863757 فیلتر نتایج به سال:
The recent progress in the area of selfinterference cancellation (SIC) design has enabled the development of full-duplex (FD) single and multiple antenna systems. In this paper, we propose a design for FD eNodeB (eNB) and user equipment (UE) for 5G networks. The use of FD operation enables simultaneous in-band uplink and downlink operation and thereby cutting down the spectrum requirement by ha...
n this issue of the Journal, a clinical investigation by Ozaki et al focuses on the flushing solution used for image acquisition with frequency-domain optical coherence tomography (FD-OCT).1 The authors present the cross-sectional area measurement as a quantitative evaluation using low-molecular dextran L (LMD-L) approximate to that of contrast media, and the non-inferiority of LMD-L to contras...
The central challenge of ultra-wideband (UWB) radio is to overcome its intrinsic complexity. This paper argues for the use of high-speed sampling and a front-end FFT as the paradigm of choice for robust performance and low energy consumption in certain ultra-wideband designs. Assuming the need to approach optimal performance, it highlights the complexity advantage of frequency domain (FD) over ...
Precise manipulation of the time–frequency modes entangled photons is crucial for future quantum science and technologies. Recently, frequency-domain-quantum-optical-synthesis (FD-QOS) method was demonstrated by creating a superposition different joint temporal amplitudes: those distributions can be controlled manipulating spectral amplitude in 2D frequency space via Fourier optical relation. T...
A simulation model of the human body is developed in frequency dependent Crank Nicolson finite difference time domain (FD-CN-FDTD) method. Numerical simulation of electromagnetic wave propagation inside the human head is presented. Advantages of using time discretization beyond the Courant Friedrich-Lewy (CFL) limit in FD-CN-FDTD method are shown. Parallelization using Open Multi-Processing (Op...
Abstract. We consider a method for solving the permutation problem in blind source separation (BSS) by the frequency-domain independent component analysis (FD-ICA) by using phase linearity of FD-ICA demixing matrix. However, there is still remaining issue how we can estimate the phase linearity. In this paper, we propose two methods to estimate the linearity of the phase response of the FD-ICA ...
This article presents a staggered grid time-domain finite-difference (FD) program for the simulation of sH-wave propagation in a viscoelastic heterogeneous medium. The incorporation of realistic damping in FD program is based on a rheological model widely known as generalized maxwell body (gmB-EK). The accuracy of implementation of realistic damping is validated by comparing the numerically com...
The data presented in this article are related to the research article entitled "Optical coherence tomography guidance for the management of angiographically intermediate left main bifurcation lesions: early clinical experience" [1]. In this article we reports details about our clinical experience with frequency domain-optical coherence tomography (FD-OCT) guidance for the management of patient...
Frequency domain optical coherence tomography (FD-OCT) is a new intravascular imaging modality utilizing near-infrared light to generate high-quality images. It provides a unique and detailed view of the vessel wall and vessel lumen. FD-OCT has been increasingly used in coronary interventions; however, there is limited experience regarding the use of FD-OCT in the evaluation and treatment of pe...
The frequency diverse multiple-input-multiple-output (FD-MIMO) radar synthesizes a wideband waveform by transmitting and receiving multiple frequency signals simultaneously. For FD-MIMO radar imaging, conventional imaging methods based on Matched Filter (MF) cannot enjoy good imaging performance owing to the few and incomplete wavenumber-domain coverage. Higher resolution and better imaging per...
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