Ziwei Zhou

Tripartite motif 46 aggravates MASLD progression by suppressing SGPL1- mediated hepatic lipophagy

Junyong Wang, Li Xiao, Dating Sun, Yaoyao Jin et autres

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Prediction of ICU needs and organ failures in infectious patients using machine learning

Chiyuan Ma, Ruizhi Xu, Dong Lin Su, Jingjing Yang et autres

This retrospective multicenter cohort study developed predictive models to identify patients at high risk for intensive care and major organ failure, using data from the First Affiliated Hospital of Xiamen University and the MIMIC-III/IV databases. A total of 18,689 infectious patients were …

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The tandem CD33-CLL1 CAR-T as an approach to treat acute myeloid leukemia.

Huiru Wang, Shanglong Feng, Yanliang Zhu, Yafeng Zhang et autres

BACKGROUND: Acute myeloid leukemia (AML) is characterized by high heterogeneity, poor long-term survival, and a propensity for relapse. Exceptional efficacy in treating recurrent or refractory B-lymphoid malignancies has been demonstrated by Chimeric antigen receptor T cells (CAR-T cells). Given the therapeutic potential …

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Diagnostic Performance of Noninvasive Tests for Identifying Advanced Fibrosis in Metabolic Dysfunction-Associated Fatty Liver Disease With Mixed Etiologies

Yi He, Yan Zhang, Ziwei Zhou, Weixia Sun et autres

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A survey of numerical methods for convection–diffusion optimal control problems

Ziwei Zhou, N. Yan

In this paper we present a survey of numericalmethods for optimal control problems governed by convection-diffusion equations. For ease of exposition we focus on stationary convection-diffusion optimal control problems with distributed control. Several effective numericalmethods including stabilizedmethods and discontinuous Galerkinmethods are reviewed. …

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A novel approach to pruning the general Volterra series for modeling power amplifiers

Leyu Zhai, Haitao Zhai, Ziwei Zhou, Kai Gao

This paper proposes a recursive optimum-term selecting (ROS) approach to pruning the general Volterra series, by which we can achieve a custom-tailored model to characterize nonlinearity of wideband power amplifiers (PAs) with memory effects. The achieved model is more suitable for the …

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Suboptimum custom-tailored model based on the pruned Volterra series for power amplifiers

Leyu Zhai, Haitao Zhai, Ziwei Zhou, Runzhou Zhang

This paper presents a suboptimum custom-tailored (SCT) model for power amplifiers (PAs). Based on the pruned Volterra series, the SCT model is developed by using a recursive optimum-term selecting (ROS) algorithm with an offline characterization process. The proposed model sacrifices accuracy in …

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Design and realization of an autonomous software-defined radio

Shilian Wang, Ziwei Zhou

We introduce the design and implementation of an autonomous software-defined radio (A-SDR). A suboptimal parameter estimation architecture with low complexity is designed, including estimation of the symbol period and shaping factor, modulation-type classification, and carrier frequency estimation. The estimated results are delivered …

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PN code acquisition with adaptive array in the presence of carrier frequency offset

Yingguang Zhang, Yaomin Li, Shujun Lü, Ziwei Zhou

A code acquisition scheme with adaptive antenna array based on the spatial-temporal correlator is proposed to address PN code acquisition in the presence of carrier frequency offset. The total observation interval is partitioned into subintervals and in each subinterval spatial-temporal correlator is …

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Design and Implementation of General Carrier Synchronization Module

Ziwei Zhou

As a part of digital transmitting system,carrier synchronization module is very important for the validity and reliability of a communication system,the design and implementation of a carrier synchronization module is presented in this article.This module includes phaseshifter,phase detector and loop filter,adapted to …

Characteristic and application of high speed A/D converter MAX12557

Ziwei Zhou

The MAX12557 is a new kind of 14-bit high-speed analog-to-digital converter(ADC)featur-ing low power,small size and high dynamic performance.The circuit has low cost and can be used easi-ly.The MAX12557 can be widely used in low-power data acquisition,I/Q receivers and portable instru-mentation etc.Its main …

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