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A new anti-jamming communication technical system：pre-encoded code hopping spread spectrum

Yao Fuqiang,Zhang Yi

Strategic Study of CAE 2011, Volume 13, Issue 10,   Pages 69-75

Abstract:

A kind of pre-encoded code hopping spread spectrum (PCHSS) communicationand researched after analyzing its necessity based on the deficiency of conventional direct-sequence spreadmain discussions include the basic principle of PCHSS, the differences between PCHSS and self-coded spread

Keywords： anti-jamming communication     direct-sequence spread spectrum     pre-encoded code hopping spread spectrum     self-coded spread spectrum    

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The Networks Analysis of Fire Spread among the Rooms

You Yuhang,Li Yuanzhou,Huo Ran

Strategic Study of CAE 2005, Volume 7, Issue 7,   Pages 86-89

Abstract:

This paper introduces the Networks model to analyze the process of fire spread among the rooms.It finds out the dangerous factor through calculating the probability and time of defferent fire spreadThe process of fire spread can be controled effecting by strengthening the safety precautions.Results indicate the Networks model can predict the possibility and hazard of fire spread among the rooms

Keywords： fire spread     among the rooms     the Networks model     path    

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Applicability of high dimensional model representation correlations for ignition delay times of n-heptane

Wang LIU, Jiabo ZHANG, Zhen HUANG, Dong HAN

Frontiers in Energy 2019, Volume 13, Issue 2,   Pages 367-376 doi: 10.1007/s11708-018-0584-9

Abstract: It is difficult to predict the ignition delay times for fuels with the two-stage ignition tendency becausesampling-high dimensional model representation (RS-HDMR) methods were employed to predict the ignition delayA detailed n-heptane chemical mechanism was used to calculate the fuel ignition delay times in the adiabaticBesides, the ignition delay times predicted by both types of correlations were validated against thoseTherefore, it is concluded that HDMR correlations are capable of predicting the ignition delay times

Keywords： ignition delay     random sampling     high dimensional model representation     n-heptane     fuel kinetics    

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Detection of schedule delay risk of empirical construction projects

Tsegay GEBREHIWET, Hanbin LUO

Frontiers of Engineering Management 2018, Volume 5, Issue 2,   Pages 251-267 doi: 10.15302/J-FEM-2018086

Abstract: In Ethiopian construction projects, schedule delay risk is a predominant issue because it is not properlyconstruction projects, limited efforts have been made to investigate the typical and the overall schedule delayIn this study, our aim is to detect the typical and overall schedule delay risk throughout the constructionThe findings showed that there is a typical delay risk either in the type or in the level of the different

Keywords： fuzzy analytic hierarchy process comprehensive evaluation     construction project     detection of delay risk    

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A model reference adaptive control based method for actuator delay estimation in real-time testing

Cheng CHEN, James M. RICLES

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3,   Pages 277-286 doi: 10.1007/s11709-010-0072-8

Abstract: The compensation of actuator delay is therefore critical to achieve stable and reliable experimentalcompensation methods based on adaptive control theory enable researchers to accommodate variable actuator delayHowever, these adaptive methods all require time duration for actuator delay adaptation.Experiments show that a good actuator delay estimate can help optimize the performance of the adaptiveThe rate of adaptation also requires that a good actuator delay estimate be acquired especially for the

Keywords： real-time testing     actuator delay     compensation     adaptive control     MIT rule     discrete transfer function    

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End-to-end delay analysis for networked systems

Jie SHEN,Wen-bo HE,Xue LIU,Zhi-bo WANG,Zhi WANG,Jian-guo YAO

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 9,   Pages 732-743 doi: 10.1631/FITEE.1400414

Abstract: End-to-end delay measurement has been an essential element in the deployment of real-time services inTraditional methods of delay measurement based on time domain analysis, however, are not efficient asWe propose a novel theoretical framework to analyze the end-to-end delay distributions of networked systemsdelay distribution is indeed the inverse Laplace transform of the transfer function of the signal flowBy analyzing the time responses of the transfer function, we obtain the end-to-end delay distribution

Keywords： Networked system     End-to-end     Delay distribution    

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Aerosol transmission, an indispensable route of COVID-19 spread: case study of a department-store cluster

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 3, doi: 10.1007/s11783-021-1386-6

Abstract:

• Aerosol transmission is an indispensable route of COVID-19 spread.

Keywords： SARS-CoV-2     COVID-19     Environmental factor     Aerosol transmission     Epidemiologic characteristic    

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Indoor massivemultiple-inputmultiple-output channel characterization and performance evaluation Article

Jian-zhi LI, Bo AI, Rui-si HE, Qi WANG, Mi YANG, Bei ZHANG, Ke GUAN, Dan-ping HE, Zhang-dui ZHONG, Ting ZHOU, Nan LI

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 6,   Pages 773-787 doi: 10.1631/FITEE.1700021

Abstract: The typical channel parameters are extracted, including path loss, shadow fading, power delay profile, and root mean square (RMS) delay spread.The correlation between shadow fading and RMS delay spread is discussed.matched filter, which can be used for intersymbol interference (ISI) mitigation by shortening the RMS delayspread, is investigated.

Keywords： Massive MIMO     Channel modeling     5G     Shadow fading     Delay spread     Matched filter     Entropy capacity     Condition    

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Effect of 2,5-dimethylfuran addition on ignition delay times of n-heptane at high temperatures

Zhenhua GAO, Erjiang HU, Zhaohua XU, Geyuan YIN, Zuohua HUANG

Frontiers in Energy 2019, Volume 13, Issue 3,   Pages 464-473 doi: 10.1007/s11708-019-0609-z

Abstract: The experimental observations indicate that the ignition delay times nonlinearly increase with an increasethe competition of small radicals, which primarily leads to the nonlinear increase in the ignition delay

Keywords： ignition delay time     shock tube     kinetic model     2     5-dimethylfuran (DMF)     n-heptane    

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Ignition delay of dual fuel engine operating with methanol ignited by pilot diesel

ZOU Hongbo, WANG Lijun, LIU Shenghua, LI Yu

Frontiers in Energy 2008, Volume 2, Issue 3,   Pages 285-290 doi: 10.1007/s11708-008-0060-z

Abstract: An investigation on the ignition delay of a dual fuel engine operating with methanol ignited by pilotpolytropic index of compression process of the dual fuel engine decreases linearly while the ignition delayCompared with the conventional diesel engine, the ignition delay increment of the dual fuel engine isWith the elevation of the intake charge temperature from 20°C to 40°C and then to 60°C, the ignition delayMoreover, with the increase in engine speed, the ignition delay of the dual fuel engine by time scale
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Subspace-based identification of discrete time-delay system Article

Qiang LIU,Jia-chen MA

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 6,   Pages 566-575 doi: 10.1631/FITEE.1500358

Abstract: We investigate the identification problems of a class of linear stochastic time-delay systems with unknownA time-delay system is expressed as a delay differential equation with a single delay in the state vectorWe first derive an equivalent linear time-invariant (LTI) system for the time-delay system using a stateTo obtain a state-space model for the time-delay system, an alternate convex search (ACS) algorithm isThe time-delay system matrices under the same state-space basis can be recovered from the Kalman state

Keywords： Identification problems     Time-delay systems     Subspace identification method     Alternate convex search    

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Solution of Network-induced Delay Using GPC With Predictive Error Compensation

Wang Dongqing

Strategic Study of CAE 2005, Volume 7, Issue 8,   Pages 60-65

Abstract:

With regard to the characteristics of uncertain network-induced delay, an idea of using GeneralizedRandom-delay-time characteristic of data transmission is tested in a networked control system.

Keywords： networked control systems (NCS)     uncertain delay     GPC     neural network    

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The Mode of Net-virus Actions

Shan Xiuming,Li Tai,Jiaojian,Ren Yong,Qiu Gui,Cao Yiqun

Strategic Study of CAE 2003, Volume 5, Issue 12,   Pages 55-59

Abstract: The net-viruses spread more widely and rapidly than the traditional viruses, and network has become the

Keywords： virus     network     spread     mode    

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Characterizing Flight Delay Profiles with a Tensor Factorization Framework Article

Mingyuan Zhang, Shenwen Chen, Lijun Sun, Wenbo Du, Xianbin Cao

Engineering 2021, Volume 7, Issue 4,   Pages 465-472 doi: 10.1016/j.eng.2020.08.024

Abstract: Therefore, this paper uses massive spatiotemporal flight data to identify similar traffic and delay patternsthese patterns, we then create an estimation model that provides preliminary judgment on the airport delayof this study can help airport operators and air traffic managers better understand air traffic and delay

Keywords： Air traffic management     Flight delay     Latent class model     Tensor decomposition    

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Multi-stage dual replica bit-line delay technique for process-variation-robust timing of lowvoltageSRAMsense

Shou-biao TAN,Wen-juan LU,Chun-yu PENG,Zheng-ping LI,You-wu TAO,Jun-ning CHEN

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 8,   Pages 700-706 doi: 10.1631/FITEE.1400439

Abstract: A multi-stage dual replica bit-line delay (MDRBD) technique is proposed for reducing access time by suppressingthe proposed technique are 69.2% and 47.2%, respectively, smaller than that with a conventional RBL delay

Keywords： Process-variation-robust     Sense amplifier (SA)     Replica bit-line (RBL) delay     Timing variation    

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Title Author Date Type Operation

A new anti-jamming communication technical system：pre-encoded code hopping spread spectrum

Yao Fuqiang,Zhang Yi

Journal Article

The Networks Analysis of Fire Spread among the Rooms

You Yuhang,Li Yuanzhou,Huo Ran

Journal Article

Applicability of high dimensional model representation correlations for ignition delay times of n-heptane

Wang LIU, Jiabo ZHANG, Zhen HUANG, Dong HAN

Journal Article

Detection of schedule delay risk of empirical construction projects

Tsegay GEBREHIWET, Hanbin LUO

Journal Article

A model reference adaptive control based method for actuator delay estimation in real-time testing

Cheng CHEN, James M. RICLES

Journal Article

End-to-end delay analysis for networked systems

Jie SHEN,Wen-bo HE,Xue LIU,Zhi-bo WANG,Zhi WANG,Jian-guo YAO

Journal Article

Aerosol transmission, an indispensable route of COVID-19 spread: case study of a department-store cluster

Journal Article

Indoor massivemultiple-inputmultiple-output channel characterization and performance evaluation

Jian-zhi LI, Bo AI, Rui-si HE, Qi WANG, Mi YANG, Bei ZHANG, Ke GUAN, Dan-ping HE, Zhang-dui ZHONG, Ting ZHOU, Nan LI

Journal Article

Effect of 2,5-dimethylfuran addition on ignition delay times of n-heptane at high temperatures

Zhenhua GAO, Erjiang HU, Zhaohua XU, Geyuan YIN, Zuohua HUANG

Journal Article

Ignition delay of dual fuel engine operating with methanol ignited by pilot diesel

ZOU Hongbo, WANG Lijun, LIU Shenghua, LI Yu

Journal Article

Subspace-based identification of discrete time-delay system

Qiang LIU,Jia-chen MA

Journal Article

Solution of Network-induced Delay Using GPC With Predictive Error Compensation

Wang Dongqing

Journal Article

The Mode of Net-virus Actions

Shan Xiuming,Li Tai,Jiaojian,Ren Yong,Qiu Gui,Cao Yiqun

Journal Article

Characterizing Flight Delay Profiles with a Tensor Factorization Framework

Mingyuan Zhang, Shenwen Chen, Lijun Sun, Wenbo Du, Xianbin Cao

Journal Article

Multi-stage dual replica bit-line delay technique for process-variation-robust timing of lowvoltageSRAMsense

Shou-biao TAN,Wen-juan LU,Chun-yu PENG,Zheng-ping LI,You-wu TAO,Jun-ning CHEN

Journal Article