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Cybersecurity 2024年第2期7卷 13-27页

作者： B S Sha.mila.Rohini Na.a.a.ma Depa.ment of electronics a.d Communica.ion engineering The National Institute of EngineeringMysoreKarnataka 570008India

In recent yea.s,ma.y resea.chers focused on unsuperv.sed lea.ning for network a.oma.y detection in edge dev.ces to identify *** deployment of the unsuperv.sed a.toencoder model is computa.iona.ly expensiv. in resource-constra.ned edge *** study proposes qua.tized a.toencoder(Qa.)model for intrusion detection systems to detect *** is a. optimiza.ion model deriv.d from a.toencoders tha. incorpora.e pruning,clustering,a.d integer qua.tiza.ion *** a.toencoder uint8(Qa.-u8)a.d qua.tized a.toencoder floa.16(Qa.-f16)a.e two v.ria.ts of Qa. built to deploy computa.iona.ly expensiv. a. models into Edge ***,we ha.0} genera.ed a.Rea.-Time Internet of Things 2022 da.a.et for norma. a.d a.ta.k *** a.toencoder model opera.es on norma. tra.fic during the tra.ning *** sa.e model is then used to reconstruct a.oma.y tra.fic under the a.sumption tha. the reconstruction error(RE)of the a.oma.y will be high,which helps to identify the ***,we study the performa.ce of the a.toencoders,Qa.-u8,a.d Qa.-f16 using a.cura.y,precision,reca.l,a.d F1 score through a. extensiv. experimenta. *** showed tha. Qa.-u8 outperforms a.l other models with a.reduction of 70.01%in a.0}ra.e memory utiliza.ion,92.23%in memory size compression,a.d 27.94%in pea. CPU ***,the proposed Qa.-u8 model is more suita.le for deployment on resource-constra.ned IoT edge dev.ces.

关键词： IoT constra.ned system

a. a.a.tiv. 3D reconstruction method for a.ymmetric dua.-a.gle multispectra. stereo ima.ing system on Ua.0}pla.form

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Science China.Informa.ion Sciences) 2024年第8期67卷 285-299页

作者： Chen Wa.G Xia. LI Ya.feng GU Zixu Wa.G School of electronics a.d Informa.ion engineering Harbin Institute of Technology Beijing institute of Control a.d Electronic Technology

a.multispectra. ima.ing system often ca.not ca.ture 3D spa.ia. informa.ion owing to ha.dwa.e limita.ions, which diminishes the effectiv.ness a.ross v.rious doma.ns. To a.dress this problem, we ha.0} dev.loped a.multispectra. stereo ima.ing system a.ong with a. a.a.tiv. 3D reconstruction a.gorithm. Unlike existing unma.ned a.ria. v.hicle stereo ima.ing systems, our multispectra. stereo ima.ing system uses two multispectra. ca.era. with a.ymmetric spectra. ba.ds positioned a. different a.gles. This design ena.les the a.quisition of a.higher number of ba.ds a.d la.era. spa.ia. informa.ion while ma.nta.ning a.lightweight structure. This system introduces cha.lenges such a. la.ge geometric distortions a.d intensity differences between multiple ba.ds. To a.cura.ely recov.r 3D spa.ia. informa.ion, we propose a. a.a.tiv. 3D reconstruction method. This method employs a.position a.d orienta.ion system-a.sisted projection tra.sforma.ion a.d a.norma.ized threshold a.justment stra.egy. Fina.ly, mutua. informa.ion is used to reconstruct the multispectra. ima.es densely, effectiv.ly a.dressing nonlinea. differences a.d genera.ing a.comprehensiv. multispectra. point cloud. Our stereo system wa. used for two rea. da.a.collections in different regions, a.d the effica.y of the proposed 3D reconstruction method wa. v.lida.ed by compa.ing it with existing methods a.d commercia. softwa.e.

关键词： multispectra. ima.es 3D reconstruction stereo ima.ing system unma.ned a.ria. v.hicle fea.ure extra.tion

Tera.ertz high-sensitiv.ty SIS mixer ba.ed on Nb–a.N–NbN hybrid superconducting tunnel junctions

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Chinese Physics B 2024年第5期33卷 681-686页

作者：刘博梁刘冬姚明金骏达王争李婧史生才 a.tem Chekushkin Micha.l Fominsky Lyudmila.Filippenko v.lery Koshelets Purple Mounta.n Observ.tory Chinese Academy of SciencesNanjing 210023China School of a.tronomy a.d Spa.e Sciences University of Science and Technology of ChinaHefei 230026China Kotel'nikov.institute of radio engineering a.d electronics Russian Academy of SciencesMoscow 125009Russia

The tera.ertz ba.d,a.unique segment of the electroma.netic spectrum,is crucia. for observ.ng the cold,da.k univ.rse a.d pla.s a.piv.ta. role in cutting-edge scientific resea.ch,including the study of cosmic env.ronments tha. support life a.d ima.ing bla.k ***-sensitiv.ty superconductor–insula.or–superconductor(SIS)mixers a.e essentia. detectors for tera.ertz a.tronomica. telescopes a.d interferometric *** to the commonly used cla.sica. Nb/a.O_(x)/Nb superconducting tunnel junction,the Nb/a.N/NbN hybrid superconducting tunnel junction ha. a.higher energy ga. v.lta.e a.d ca. a.hiev. a.higher critica. current *** ma.es it pa.ticula.ly promising for the dev.lopment of ultra.wideba.d,high-sensitiv.ty coherent detectors or mixers in v.rious scientific resea.ch *** this pa.er,we present a.superconducting SIS mixer ba.ed on Nb/a.N/NbN pa.a.lel-connected twin junctions(PCTJ),which ha. a.ba.dwidth extending up to490 GHz–720 *** best a.hiev.d double-sideba.d(DSB)noise tempera.ure(sensitiv.ty)is below three times the qua.tum noise lev.l.

关键词： SIS mixer tera.ertz ga. v.lta.e critica. current density hybrid superconducting tunnel junction

a.surv.y of decision ma.ing in a.v.rsa.ia. ga.es

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Science China.Informa.ion Sciences) 2024年第4期67卷 85-112页

作者： Xiuxia. LI Min MENG Yigua.g HONG Jie CHEN College of electronics a.d Informa.ion engineering Tongji University Sha.gha. Resea.ch institute for Intelligent a.tonomous Systems

In ma.y pra.tica. a.plica.ions, such a. poker, chess, drug interdiction, cybersecurity, a.d na.iona. defense, pla.ers often ha.0} a.v.rsa.ia. sta.ces, i.e., the selfish a.tions of ea.h pla.er inev.ta.ly or intentiona.ly inflict loss or wrea. ha.0}c on other pla.ers. Therefore, a.v.rsa.ia. ga.es a.e importa.t in rea.world a.plica.ions. Howev.r, only specia. a.v.rsa.ia. ga.es, such a. Ba.esia. ga.es, a.e rev.ewed in the litera.ure. In this respect, this study a.ms to prov.de a.systema.ic surv.y of three ma.n ga.e models widely employed in a.v.rsa.ia. ga.es, i.e., zero-sum norma.-form a.d extensiv.-form ga.es, Sta.kelberg(security) ga.es, a.d zero-sum differentia. ga.es, from a. a.ra. of perspectiv.s, including ba.ic knowledge of ga.e models,(a.proxima.e) equilibrium concepts, problem cla.sifica.ions, resea.ch frontiers,(a.proxima.e) optima. stra.egy-seeking techniques, prev.iling a.gorithms, a.d pra.tica. a.plica.ions. Fina.ly, promising future resea.ch directions a.e a.so discussed for relev.nt a.v.rsa.ia. ga.es.

关键词： a.v.rsa.ia. ga.es zero-sum ga.es Sta.kelberg ga.es differentia. ga.es Na.h equilibrium correla.ed equilibrium regret

Enha.cement of Sola. Pv.Pa.el Efficiency Using Double Integra. Sliding Mode MPPT Control

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Tsinghua.Science a.d Technology 2024年第1期29卷 271-283页

作者： Imma.isetty Ra.ul Ra.u Ha.iha.a. Depa.tment of Electrica. a.d electronics engineering Saveetha School of EngineeringSaveetha Institute of Medical and Technical Sciences(SIMATS)Chennai 602105India

The extra.tion of ma.imum power from the sola. pa.els,using the sliding mode control scheme,becomes popula. for pa.tia. wea.her a.mospheric conditions due to its effectiv. dyna.ic duty cycle ***,the sliding mode control scheme wa. sophistica.ed with single integra. a.d double integra. sliding mode control scheme,which offer enha.ced ma.imum power extra.tion a.d support enha.ced sola. pa.el efficiency in pa.tia. wea.her *** opera.ion of the sliding mode control scheme depends on the selection of a.sliding surfa.e selection ba.ed on the a.mospheric wea.her condition,which ena.les the effectiv. sliding duty cycle ra.io opera.ion for the DC/DC boost *** duty cycle ra.io of the sliding mode control resembles the usua. dyna.ic beha.0}or to a.hiev. enha.ced efficiency compa.ed to the v.rious ma.imum power point tra.king(MPPT)*** ma.or limita.ion of the sliding mode control scheme is to a.hiev. the stea.y sta.e v.lta.e error of the sola. pa.el in minimum settling time *** single integra. sliding mode control scheme a.hiev.s the expected stea.y sta.e v.lta.e error limit but fa.ls to a.hiev. minimum settling time ***,the single integra. sliding mode control is extended to a.double integra. sliding mode control scheme to a.hiev. both stea.y sta.e v.lta.e error limits within the minimum settling time *** double integra. sliding mode control scheme a.lows us to obta.n the higher sliding surfa.e duty cycle ra.io which a.ts a. the input signa. to the boost *** a.tiv.tes the enha.ced sta.le a.d relia.le system opera.ion,a.d nullifies the la.una.of ma.imum sola. pa.el efficiency under pa.tia. wea.her ***,this pa.er a.ms to present the design a.d performa.ce opera.ion of the double integra. sliding mode(DISM)MPPT control *** v.lida.e the performa.ce a.a.ysis of the proposed DISM MPPT control scheme,the Ma.La./Simulink model is designed a.d ***,the performa.ce a.a.ysis of the pr

关键词： ma.imum power point tra.king(MPPT)schemes sliding mode controller(SMC) double integra. sliding mode controller(DISMC) pulse width modula.ion(PWM) photov.lta.c(Pv.system

a.Genera.ized a.ra. Fa.tor for Time-Modula.ed Hexa.ona. Ba.ed a.tenna.a.ra. Geometry With Nov.l Tra.ezoida. Switching

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IEEE/Ca. Journa. of a.toma.ica.Sinica 2024年第9期11卷 1967-1972页

作者： Gopi Ra. Depa.tment of electronics a.d Communica.ion engineering National Institute of TechnologyWarangal 506004India

The concept of the time-modula.ed a.ra. ha. been emerging a. a. a.terna.iv. to the complex pha.e shifters,which lowers the cost of the a.ra. feeding network due to the utiliza.ion of radio frequency(RF)*** v.rious forms of hexa.ona. a.tenna.a.ra. geometries ca. be used for a.plica.ions like surv.illa.ce tra.king in pha.ed a.ra. ra.a. a.d wireless communica.ion *** work proposes the genera.ized a.ra. fa.tor(a.)for the hexa.ona. a.tenna.a.ra. geometry ba.ed on time *** time modula.ion in genera.ized hexa.ona. geometry ca. ma.nta.n the fixed sta.ic a.plitude excita.ion,giv.ng more flexibility ov.r ***,a.nov.l tra.ezoida. switching function is a.so proposed a.d a.plied to the genera.ized a.ra. fa.tor to ena.le future resea.chers to use this a.ra. fa.tor in the field of a.v.ncement to observ. how switching schemes like tra.ezoida. a.d recta.gula. a.fect the a.ra. pa.tern's side lobe lev.l(SLL).The genera.ized equa.ion ca. be utilized for the a.a.ysis a.d synthesis of ra.ia.ion cha.a.teristics of the time-modula.ed hexa.ona. a.ra.(TMHa.,time-modula.ed concentric hexa.ona. a.ra.(TMCHa.,time-modula.ed hexa.ona. cylindrica. a.ra.(TMHCa.,a.d time-modula.ed hexa.ona. concentric cylindrica. a.ra.(TMHCCa..The numerica. result illustra.es the genera.ion of a. of time-modula.ed hexa.ona. structures a.d a.so shows tha. the tra.ezoida. switching sequence outperforms the recta.gula. switch using the ca. swa.m optimiza.ion(CSO)a.proa.h.

关键词： Hexa.ona. a.ra. geometry ra.ia.ion pa.tern time-modula.ion tra.ezoida. pulse

The Extended Hybrid Ca.rier-Ba.ed Multiple a.cess Technology for High Mobility Scena.ios

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China.Communica.ions 2024年第1期21卷 53-68页

作者： Ge Song Xia.jie Fa.g Xuejun Sha School of electronics a.d Informa.ion engineering Harbin Institute of TechnologyHarbin 150001China

The hybrid ca.rier(HC)system rooted in the ca.rier fusion concept is gra.ua.ly ga.nering *** this pa.er,we study the extended hybrid ca.rier(EHC)multiple a.cess scheme to ensure relia.le wireless *** employing the EHC modula.ion,a.power la.ered multiplexing fra.ework is rea.ized,which exhibits enha.ced interference suppression ca.a.ility owing to the more uniform energy distribution *** implementa.ion method a.d a.v.nta.e mecha.ism a.e explica.ed respectiv.ly for the uplink a.d downlink,a.d the performa.ce a.a.ysis under v.rying cha.nel conditions is *** a.dition,considering the connectiv.ty dema.d,we explore the non-orthogona. multiple a.cess(NOMa.method of the EHC system a.d dev.lop the EHC spa.se code multiple a.cess *** proposed scheme melds the energy sprea. superiority of EHC with the a.cess ca.a.ity of NOMa.fa.ilita.ing superior support for ma.siv. connectiv.ty in high mobility *** results ha.0} v.rified the fea.ibility a.d a.v.nta.es of the proposed *** with existing HC multiple a.cess schemes,the proposed scheme exhibits robust bit error ra.e performa.ce a.d ca. better gua.a.tee multiple a.cess performa.ce in complex scena.ios of nextgenera.ion communica.ions.

关键词： extended hybrid ca.rier system high mo-Receiv.d:Jun.09,2023 Rev.sed:Nov.20,2023 Editor:Yua.wei Liu bility communica.ions multiple a.cess

Impa.t of da.k current on pinned photo-diode ca.a.ita.ce of CMOS ima.e sensor in low illumina.ion regime

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Optoelectronics Letters 2024年第11期20卷 654-657页

作者： Mohsin Suha.werdi Ga.sia.Qa.i Depa.tment of electronics & Communica.ion engineering National Institute of Technology

a.plica.ions for qua.ta.a.d spa.e sensing both depend on efficient low-light ima.ing. To precisely optimize a.d design ima.e sensor pixels for these a.plica.ions, it is crucia. to a.a.yze the mecha.isms behind da.k cu... 详细信息

关键词： A

Joint Ra.n Strea.s & Ha.e Remov.l Network for Object Detection

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Computers, Ma.eria.s & Continua 2024年第6期79卷 4683-4702页

作者： Ra.ini Tha.ikonda.Pra.a.h Koda.i Ra.a.inga.wa.y Cheruku Eswa.a.oorthy K.v Depa.tment of electronics a.d Communica.ion engineering National Institute of TechnologyWarangal506004India Depa.tment of Computer Science a.d engineering National Institute of TechnologyWarangal506004India Depa.tment of electronics a.d Communica.ion engineering Indian Institute of Information TechnologyDesign and ManufacturingKurnool518008India

In the rea.m of low-lev.l v.sion ta.ks,such a. ima.e dera.ning a.d deha.ing,restoring ima.es distorted by a.v.rse wea.her conditions rema.ns a.significa.t *** emergence of a.unda.t computa.iona. resources ha. driv.n the domina.ce of deep Conv.lutiona. Neura. Networks(CNNs),suppla.ting tra.itiona. methods relia.t on prior ***,the ev.lution of CNN a.chitectures ha. tended towa.ds increa.ing complexity,utilizing intrica.e structures to enha.ce performa.ce,often a. the expense of computa.iona. *** response,we propose the Selectiv. Kernel Dense Residua. M-sha.ed Network(SKDRMNet),a.flexible solution a.ept a. ba.a.cing computa.iona. efficiency with network a.cura.y.a.key innov.tion is the incorpora.ion of a. M-sha.ed hiera.chica. structure,deriv.d from the U-Net fra.ework a. M-Network(M-Net),within which the Selectiv. Kernel Dense Residua. Module(SDRM)is introduced to reinforce multi-sca.e sema.tic fea.ure *** methodology employs two sa.pling techniques-bilinea. a.d pixel unshuffled a.d utilizes a.multi-sca.e fea.ure fusion a.proa.h to distil more robust spa.ia. fea.ure ma. *** the reconstruction pha.e,fea.ure ma.s of v.rying resolutions a.e sea.lessly integra.ed,a.d the extra.ted fea.ures a.e effectiv.ly merged using the Selectiv. Kernel Fusion Module(SKFM).Empirica. results demonstra.e the comprehensiv. superiority of SKDRMNet a.ross both synthetic a.d rea. ra.n a.d ha.e da.a.ets.

关键词： Ima.e dera.ning Selectiv. Dense Residua. Module(SDRM) Selectiv. Kernel Fusion Module(SKFM) Selectiv. KernelDense Residua. M-Sha.ed Network(SKDRMNet)

Improv.d Energy Ma.a.ement Stra.egy for Prosumer Buildings with Renewa.le Energy Sources a.d Ba.tery Energy Stora.e Systems

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Journa. of Modern Power Systems a.d Clea. Energy 2024年第2期12卷 381-392页

作者： Pa.0}tra.Sha.ma.Krishna.Kuma. Sa.ni Hitesh Da.t Ma.hur Puneet Mishra Depa.tment of Electrica.&electronics engineering Birla Institute of Technology&SciencePilaniIndia IEEE

The concept of utilizing microgrids(MGs)to conv.rt buildings into prosumers is ga.ning ma.siv. popula.ity beca.se of its economic a.d env.ronmenta. *** pro-sumer buildings consist of renewa.le energy sources a.d usua.ly insta.l ba.tery energy stora.e systems(BESSs)to dea. with the uncerta.n na.ure of renewa.le energy ***,beca.se of the high ca.ita. inv.stment of BESS a.d the limita.ion of a.0}ila.le energy,there is a.need for a. effectiv. energy ma.a.ement stra.egy for prosumer buildings tha. ma.imizes the profit of building owner a.d increa.es the opera.ing life spa. of *** this rega.d,this pa.er proposes a. improv.d energy ma.a.ement stra.egy(IEMS)for the prosumer building to minimize the opera.ing cost of MG a.d degra.a.ion fa.tor of ***,to estima.e the pra.tica. opera.ing life spa. of BESS,this pa.er utilizes a.non-linea. ba.tery degra.a.ion *** a.dition,a.flexible loa. shifting(FLS)scheme is a.so dev.loped a.d integra.ed into the proposed stra.egy to further improv. its *** proposed stra.egy is tested for the rea.-time a.nua. da.a.of a.grid-tied sola. photov.lta.c(Pv.a.d BESS-powered a.-DC hybrid MG insta.led a. a.commercia. ***,the scena.io reduction technique is used to ha.dle the uncerta.nty a.socia.ed with genera.ion a.d loa. *** v.lida.e the performa.ce of the proposed stra.egy,the results of IEMS a.e compa.ed with the well-esta.lished energy ma.a.ement *** simula.ion results v.rify tha. the proposed stra.egy substa.tia.ly increa.es the profit of the building owner a.d opera.ing life spa. of ***,FLS enha.ces the performa.ce of IEMS by further improv.ng the fina.cia. profit of MG owner a.d the life spa. of BESS,thus ma.ing the opera.ion of prosumer building more economica. a.d efficient.

关键词： Prosumer building ba.tery energy stora.e system(BESS) ba.tery degra.a.ion fa.tor dema.d response energy ma.a.ement microgrid sola. photov.lta.c(Pv.system