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Extracting hidden information from knowledge networks.
We develop a method allowing us to reconstruct individual tastes of customers from a sparsely connected network of their opinions on products, services, or each other. Two distinct phase transitions… Expand
Platinum-enhanced amorphous TiO2-filled mesoporous TiO2 crystals for the photocatalytic mineralization of tetracycline hydrochloride.
The adsorption ability and photoactivity of a photocatalyst largely determine the mineralization efficiency of antibiotics. Herein, aiming to enhance the adsorption and mineralization of antibiotics,… Expand
Extension of three-dimensional discontinuous deformation analysis to frictional-cohesive materials
Abstract This paper extends three-dimensional discontinuous deformation analysis (3-D DDA) to model the frictional-cohesive failure behavior of geotechnical materials and structures. Firstly, a new… Expand
Forward Modeling Assisted Digital Predistortion Method for Hybrid Beamforming Transmitters with a Single PA Feedback
- Hongmin Li, Gang Li, Y. Zhang, Wen Qiao, F. Liu
- Computer Science
- IEEE Asia Pacific Conference on Circuits and…
- 1 October 2018
This paper presents a novel forward modeling digital predistortion (DPD) method for hybrid beamforming transmitters based on a single power amplifier (PA) feedback. In hybrid beamforming… Expand
Excess entropy and long-time diffusion in colloidal fluids with short-range interparticle attraction.
- X. Ma, J. Liu, Y. Zhang, P. Habdas, A. Yodh
- Medicine, Chemistry
- The Journal of chemical physics
- 11 April 2019
Liquid structure and dynamics are experimentally investigated in colloidal suspensions with short-range depletion attraction. The colloidal fluid samples consist of hard-sphere colloidal particles… Expand
Forward modeling assisted 1-bit data acquisition based model extraction for digital predistortion of RF power amplifiers
- H. Wang, G. Li, Y. Zhang, F. Liu, A. Zhu
- IEEE Topical Conference on RF/Microwave Power…
- 18 January 2017
In this paper, a low-cost data acquisition approach with novel forward modeling is proposed for model extraction of digital predistortion (DPD) of RF power amplifiers (PA). Compared to the existing… Expand
One-bit in-phase observation for direct learning-based digital predistortion with modified frequency-domain delay estimation and alignment
This article proposes a novel digital predistortion (DPD) implementation method for RF power amplifiers. The new approach adopts only one 1-bit comparator in the feedback path to observe the in-phase… Expand
A novel model of joint compensation for I/Q imbalance and nonlinearity in concurrent dual-band transmitters
I/Q impairments of the I/Q modulator can adversely affect the performance of wireless transmitters. This problem is much more pronounced in concurrent dual-band transmitters with two modulators… Expand
Compact UWB signal interference filter using interdigital coupled lines
An ultra-wide band (UWB) band-pass filter (BPF) based on signal interference technique is presented in this letter. The filter is connected in parallel short-ended interdigital coupled lines and a… Expand