Search Results - "Yang, Kehu"

Efficient Convex Relaxation Methods for Robust Target Localization by a Sensor Network Using Time Differences of Arrivals by YANG, Kehu, GANG WANG, LUO, Zhi-Quan

“…We consider the problem of target localization by a network of passive sensors. When an unknown target emits an acoustic or a radio signal, its position can be…”
Get full text

A New Approach to Sensor Node Localization Using RSS Measurements in Wireless Sensor Networks by Wang, Gang, Yang, Kehu

“…In this letter, we propose a new approach to the localization problem in wireless sensor networks using received-signal-strength (RSS) measurements. The…”
Get full text

The role of seasonality in the spread of COVID-19 pandemic by Liu, Xiaoyue, Huang, Jianping, Li, Changyu, Zhao, Yingjie, Wang, Danfeng, Huang, Zhongwei, Yang, Kehu

“…It has been reported that the transmission of COVID-19 can be influenced by the variation of environmental factors due to the seasonal cycle. However, its…”
Get full text

The methodological and reporting quality of systematic reviews from China and the USA are similar by Tian, Jinhui, Zhang, Jun, Ge, Long, Yang, Kehu, Song, Fujian

“…Abstract Objectives To compare the methodological and reporting quality of systematic reviews by authors from China and those from the United States (USA)…”
Get full text

impact of PM2.5 on asthma emergency department visits: a systematic review and meta-analysis by Fan, Jingchun, Li, Shulan, Fan, Chunling, Bai, Zhenggang, Yang, Kehu

“…Although the relationship between asthma and exposure to fine particulate matter (PM2.5) has been frequently measured, reported conclusions have not been…”
Get full text

Unified Selective Harmonic Elimination for Multilevel Converters by Yang, Kehu, Zhang, Qi, Zhang, Jianjun, Yuan, Ruyi, Guan, Qiang, Yu, Wensheng, Wang, Jin

“…For multilevel converters, as their selective harmonic elimination (SHE) equations are highly related to the switching patterns, it is almost impossible to…”
Get full text

Insomnia and risk of mortality from all-cause, cardiovascular disease, and cancer: Systematic review and meta-analysis of prospective cohort studies by Ge, Long, Guyatt, Gordon, Tian, Jinhui, Pan, Bei, Chang, Yaping, Chen, Yajing, Li, Huijuan, Zhang, Junmei, Li, Yahong, Ling, Juan, Yang, Kehu

“…Growing evidence indicates that insomnia may be associated with mortality. However, these findings have been inconsistent. We systematically searched MEDLINE…”
Get full text

MRI and PET/CT for evaluation of the pathological response to neoadjuvant chemotherapy in breast cancer: A systematic review and meta-analysis by Li, Huimin, Yao, Liang, Jin, Penghui, Hu, Lidong, Li, Xiaofei, Guo, Tiankang, Yang, Kehu

“…Neoadjuvant chemotherapy (NAC) has become an essential treatment for breast cancer. However, there is still no consensus on the best tool to evaluate…”
Get full text

Selective Harmonic Elimination With Groebner Bases and Symmetric Polynomials by Yang, Kehu, Zhang, Qi, Yuan, Ruyi, Yu, Wensheng, Yuan, Jiaxin, Wang, Jin

“…Selective harmonic elimination (SHE) technology has been widely used in many medium- and high-power converters which operates at very low switching frequency;…”
Get full text

Knowledge map and global trends in extreme weather research from 1980 to 2019: a bibliometric analysis by Li, Zhihong, Guo, Liping, Sha, Yongzhong, Yang, Kehu

“…There is an increasing number of studies focusing on extreme weather all over the world, but global trends and research topics related to extreme weather are…”
Get full text

Network meta-analyses could be improved by searching more sources and by involving a librarian by Li, Lun, Tian, Jinhui, Tian, Hongliang, Moher, David, Liang, Fuxiang, Jiang, Tongxiao, Yao, Liang, Yang, Kehu

“…Abstract Objective Network meta-analyses (NMAs) aim to rank the benefits (or harms) of interventions, based on all available randomized controlled trials…”
Get full text

Trends in Shared Decision-Making Studies From 2009 to 2018: A Bibliometric Analysis by Lu, Cuncun, Li, Xiuxia, Yang, Kehu

“…To systematically analyze the global development trends and research focuses of shared decision-making (SDM) studies as a reference for researchers. We…”
Get full text

Characteristics and trends in acceptance and commitment therapy research: A bibliometric analysis by Li, Zhihong, Shang, Wenru, Wang, Caiyun, Yang, Kehu, Guo, Juanmei

“…As acceptance and commitment therapy (ACT) becomes mainstream and a growing body of literature emerges, it is critical to map the global collaborative network…”
Get full text

A Groebner Bases Theory-Based Method for Selective Harmonic Elimination by Yang, Kehu, Yuan, Zhibao, Yuan, Ruyi, Yu, Wensheng, Yuan, Jiaxin, Wang, Jin

“…An algebraic method is proposed for selective harmonic elimination PWM (SHEPWM). By computing its Groebner bases under the pure lexicographic monomial order,…”
Get full text

Clinical Epidemiology in China series. Paper 4: The reporting and methodological quality of Chinese clinical practice guidelines published between 2014 and 2018: A systematic review by Zhou, Qi, Wang, Zijun, Shi, Qianling, Zhao, Siya, Xun, Yangqin, Liu, Hui, Zhang, Hairong, Liu, Xiao, Wang, Xiaoqin, Yao, Liang, Wang, Qi, Li, Qinyuan, Estill, Janne, Yang, Kehu, Chen, Yaolong

“…This study aimed to systematically review the methodological and reporting quality of clinical practice guidelines (CPGs) developed in China and published in…”
Get full text

Robotic‐assisted minimally invasive esophagectomy versus the conventional minimally invasive one: A meta‐analysis and systematic review by Jin, Dacheng, Yao, Liang, Yu, Jun, Liu, Rong, Guo, Tiankang, Yang, Kehu, Gou, Yunjiu

“…Background Conventional video‐assisted minimally invasive esophagectomy (MIE) is safe and associated with low rates of morbidity and mortality, but the…”
Get full text

Expression and clinical significance of survivin in ovarian cancer: A meta-analysis by He, Xiaoyan, Yang, Kehu, Wang, Hailin, Chen, Xiaohong, Wu, Huifang, Yao, Liang, Ma, Shouye

“…To assess the clinicopathological significance of survivin in ovarian carcinoma through this meta-analysis. PubMed, EMBASE, Web of Science, and The Cochrane…”
Get full text

Clinical efficacy and safety of robotic distal gastrectomy for gastric cancer: a systematic review and meta-analysis by Gong, Shiyi, Li, Xiong, Tian, Hongwei, Song, Shaoming, Lu, Tingting, Jing, Wutang, Huang, Xianbin, Xu, Yongcheng, Wang, Xingqiang, Zhao, Kaixuan, Yang, Kehu, Guo, Tiankang

“…Background Robotic distal gastrectomy (RDG) is a new technique that is rapidly gaining popularity and may help overcome the limitations of laparoscopic distal…”
Get full text

Association between alcohol intake, mild cognitive impairment and progression to dementia: a dose–response meta-analysis by Lao, Yongfeng, Hou, Lijuan, Li, Jing, Hui, Xu, Yan, Peijing, Yang, Kehu

“…Background Mild cognitive impairment (MCI) is a cognitive state falling between normal aging and dementia. The relation between alcohol intake and risk of MCI…”
Get full text

The impact of main air pollutants on respiratory emergency department visits and the modification effects of temperature in Beijing, China by Song, Xuping, Jiang, Liangzhen, Wang, Shigong, Tian, Jinhui, Yang, Kehu, Wang, Xinyi, Guan, Hongdan, Zhang, Nan

“…Research indicates that air pollution is a risk factor of an increased occurrence of diseases. However, evidence is limited on the effects of the pollution…”
Get full text