Search Results - "Li, Zhengdai"

Investigation on fracture models and ground pressure distribution of thick hard rock strata including weak interlayer by Yu, Meilu, Zuo, Jianping, Sun, Yunjiang, Mi, Changning, Li, Zhengdai

“…Dynamic disasters, such as rock burst due to the breaking of large area stiff roof strata, are known to occur in the hard rock strata of coal mines. In this…”
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Investigation on Coal Pillar Stability between Different Shapes of Gasifier Cavities under High Temperatures during UCG by Shi, Yue, Yun, Xiaopeng, Zuo, Jianping, Li, Zhengdai, Sun, Yunjiang, Yu, Meilu

“…The shape of the gasifier cavity and the high temperatures induced by underground coal gasification (UCG) have a significant influence on the failure…”
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Experimental Investigation on the Correlation between Dynamic Ultrasonic and Mechanical Properties of Sandstone Subjected to Uniaxial Compression by Sun, Yunjiang, Zuo, Jianping, Shi, Yue, Li, Zhengdai, Mi, Changning, Wen, Jinhao

“…Ultrasonic wave velocity is effective to evaluate anisotropy property and predict rock failure. This paper investigates the correlation between dynamic…”
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High-resolution visible imaging with piezoelectric deformable secondary mirror: experimental results at the 1.8-m adaptive telescope by Guo, Youming, Chen, Kele, Zhou, Jiahui, Li, Zhengdai, Han, Wenyu, Rao, Xuejun, Bao, Hua, Yang, Jinsheng, Fan, Xinlong, Rao, Changhui

“…Integrating deformable mirrors within the optical train of an adaptive telescope was one of the major innovations in astro-nomical observation…”
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An Experimental Study on the Slippage Effects of Sandstone under Confining Pressure and Low Pore Pressure Conditions by Yu, Meilu, Mi, Changning, Li, Zhengdai, Zuo, Jianping, Shi, Yue, Xu, Fei

“…Due to the influences of various factors, such as temperature, stress, and composition, the research regarding rock permeability has been complicated. This…”
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A Study of Fractal Deep-Hole Blasting and Its Induced Stress Behavior of Hard Roof Strata in Bayangaole Coal Mine, China by Liu, Haiyan, Jiang, Yunqian, Zhao, Shankun, Li, Zhengdai, Zuo, Jianping, Yao, Maohong

“…The phenomena of strong pressure occurrences have been observed many times in the #311103 working face of the Bayangaole Coal Mine. Deep-hole blasting measures…”
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Direct Learning Predistorter with a New Loop Delay Compensation Algorithm by Zhengdai Li, Jingming Kuang, Nan Wu

“…Digital baseband predistortion technology can effectively reduce the system nonlinear distortion. However, the predistortion algorithms based on indirect…”
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A New Loop-Delay Estimation Algorithm for Amplifier Predistortion System by Zhengdai Li, Xiaonian He, Nan Wu

“…Predistortion technology is an adaptive, low cost and potential linearization method. Proper loop-delay estimation and compensation are important preconditions…”
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MWDNs: reconstruction in multi-scale feature spaces for lensless imaging by Li, Ying, Li, Zhengdai, Chen, Kaiyu, Guo, Youming, Rao, Changhui

“…Lensless cameras, consisting of only a sensor and a mask, are small and flexible enough to be used in many applications with stringent scale constraints. These…”
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Low-Complexity Factor Graph-Based Iterative Detection for RRC-SEFDM Signals by Feng, Yuan, Ma, Yunsi, Li, Zhengdai, Yan, Chaoxing, Wu, Nan

“…Spectrally efficient frequency division multiplexing (SEFDM) is a promising technique for the next generation wireless communication due to its high spectral…”
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End-to-end Wiener–CNN optimization for lensless extended depth of field imaging with phase mask by Li, Zhengdai, Li, Ying, Han, Wenyu, Chen, Kele, Guo, Youming, Rao, Changhui

“…Extended depth of field (EDoF) has been widely studied in recent years and has many applications in various imaging tasks. Currently, the EDoF imaging system…”
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Investigation on sandstone wave velocity variation and the stress response of pore structure by Li, Zhengdai, Zuo, Jianping, Sun, Yunjiang, Shi, Yue, Ma, Zongyu

“…This study considered three different sandstones from the surrounding rock in the underground reservoir of the Ningtiaota coal mine in northern Shaanxi…”
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Analysis of Surface Cracking and Fracture Behavior of a Single Thick Main Roof Based on Similar Model Experiments in Western Coal Mine, China by Zuo, Jianping, Yu, Meilu, Li, Chunyuan, Sun, Yunjiang, Hu, Shunyin, Li, Zhengdai

“…Surface subsidence over coal mines in western China is serious. Collapse pits, step subsidence, surface cracks, among others occur during coal mining. Based on…”
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Investigation on fracture models and ground pressure distribution of thick hard rock strata including weak interlayer by Meilu Yu, Jianping Zuo, Yunjiang Sun, Changning Mi, Zhengdai Li

“…Dynamic disasters,such as rock burst due to the breaking of large area stiff roof strata,are known to occur in the hard rock strata of coal mines.In this…”
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A New Joint Memory Polynomial and Look-Up-Table Predistorter Algorithm Design by Zhengdai Li, Dewei Yang, Jingming Kuang, Hua Wang

“…Digital baseband predistorter technology can effectively reduce the system nonlinear distortion. The memory polynomial algorithm and the look-up table (LUT)…”
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Optimization Design of Memory Polynomial Coefficient Look-Up Table Predistorter Algorithm by Zhengdai Li, Qingqing Song, Jingming Kuang, Hua Wang

“…In communication system, the nonlinear distortion influence of high power amplifier (HPA) can be corrected by digital baseband predistorter technology…”
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Application of signal processing worksystem simulation in Look-up table prodistorter design by Zhengdai Li, Dewei Yang, Caixia Zhang

“…In this paper, we introduced various HPA models based on Volterra series and its simplified form and described an adaptive Look-up table (LUT) algorithm. The…”
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薄基岩顶板工作面突水溃砂及切顶灾害试验研究 by 李锋, 杨胜利, 李政岱, 杨文强, 杨敬虎, 陈肖龙

“…TD325;…”
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An Efficient VNF Deployment Scheme for Reliable Service Chain in Software Defined Satellite Networks by Hao, Yutao, Zhang, Limin, Zheng, Lianyu, Zhao, Zebing, Li, Zhengdai

“…Satellite networks have the advantages of wide coverage and low deployment cost, which can be widely used in quite a few fields and will play momentous roles…”
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