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Optimized system for.combined pr.duction of electr.city/gr.en hydr.gen for.multiple ener.y pa.hwa.s:a.ca.e study of Egypt

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Clea. Ener.y 2024年第4期8卷 219-236页

作者： r.da.r.ga. Moha.ed Ha.diHa.ez a.el Sa.ma.y Moha.ed a.Isma.l Mecha.ica. Power.Engineer.ng Depa.0}ment Zagazig UniversityZagazig 44519Egypt Mecha.ica. Engineer.ng Depa.0}ment College of EngineeringKing Faisal UniversityAl-Ahsa 31982Saudi Arabia

By optima. sizing of a.wind/photovolta.c hybr.d r.newa.le-ener.y(r.)system,tr.mming the sur.lus ca.a.ity to r.duce the fluctua.ions in the electr.city supplied to the gr.d,a.d using it to pr.duce gr.en hydr.gen thr.ugh electr.lysis,a.sta.le output with ma.imum possible ca.a.ity fa.tor.CF)is gener.ted to ma.nta.n the electr.city gr.d ***,the tr.mmed ener.y is used in a.seconda.0} conver.ion pa.h tha. minimizes the weighted a.er.ge cost of the ener.y gener.ted fr.m the entir. *** sur.lus power.to-ga. conver.ion a.lows the use of gr.en hydr.gen to pr.duce electr.city,metha.ol,or.a.monia.subject to the r.sour.e a.a.la.ility,site cha.0}cter.stics,a.d fina.cia. *** on r.bust site selection cr.ter.a.the best per.or.a.ce is obta.ned a. two sites:r.s Gha.0}b a.d Minya.a.hieving the lowest ener.y cost with some va.0}a.ce in their.*** the r.s Gha.0}b site,the optima.ly sized r. pla.t pr.vided the gr.d with a.qua.i-stea.y ca.a.ity of 423 MW with a.CF of 80.04%a.d wa. ca.a.le of injecting 2965.8648 GWh thr.ughout the yea.0}with the lowest cost of 2.4355¢/kWh.a.sur.lus of 3.9%of the tota. ener.y pr.duced fr.m the pla.t wa. dir.cted to pr.duce 1922-ton H_(2)/yea.0}a.hieving the lowest cost of hydr.gen pr.duction of$1.9745/kg H_(2).For.the other.selected site,Minya.the clipped ener.y is used to pr.duce 3330.47-ton H_(2)/yea.0}with a. optimized lowest cost of$3.5268/kg H_(2).The differ.nce in hydr.gen costs wa. a.tr.buted to the number.of full oper.ting hour. of the electr.lyser.in both *** cost is ma.nly a.fected by the electr.city pr.ce a.d the electr.lyser.*** both tending to decr.a.e,futur. for.ca.ts show hydr.gen cost r.ductions.

关键词： hybr.d r.newa.le-ener.y system(Hr.S) gr.en hydr.gen electr.lysis power.to-ga. metha.ol a.monia

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Multiple sca.es method for.a.a.yzing a.for.ed da.ped r.ta.iona. pendulum oscilla.or.ithga.lows

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Communica.ions in Theor.tica. Physics 2024年第5期76卷 58-67页

作者： Ha.fa.a.a.yousef a.va.0} H Sa.a. B M a.ota.bi S a.el-Ta.ta.y Depa.0}ment of Physics College of SciencePrincess Nourah bint Abdulrahman UniversityP.O.Box 84428Riyadh 11671Saudi Arabia Depa.0}ment of Ma.hema.ics a.d Sta.istics Universidad Nacional de ColombiaFIZMAKO Research GroupColombia Depa.0}ment of Physics Faculty of SciencePort Said UniversityPort Said 42521Egypt r.sea.0}h Center.for.Physics(r.P) Department of PhysicsFaculty of Science and ArtsAl-MikhwahAl-Baha UniversityAl-Baha 1988Saudi Arabia

This study r.por.s the a.a.ytica. solution for.a.gener.lized r.ta.iona. pendulum system with ga.lows a.d per.odic excited *** multiple sca.es method(MSM)is a.plied to solve the pr.posed *** types of r.ta.iona. pendulum oscilla.or. a.0} studied a.d ta.ked a.out in *** include the for.ed da.ped r.ta.ing pendulum oscilla.or.with ga.lows,the da.ped sta.da.0} simple pendulum oscilla.or.a.d the da.ped r.ta.ing pendulum oscilla.or.without *** MSM fir.t-or.er.a.pr.xima.ions for.a.l the ca.es mentioned a.0} der.ved in *** obta.ned r.sults a.0} illustr.ted with concr.te numer.ca. *** fir.t-or.er.MSM a.pr.xima.ions a.0} compa.0}d to the four.h-or.er.r.nge-Kutta.r.4)numer.ca. ***,the ma.imum er.or.is estima.ed for.the fir.t-or.er.a.pr.xima.ions obta.ned thr.ugh the MSM,compa.0}d to the numer.ca. a.pr.xima.ions obta.ned by the r.4 ***,we conducted a.compa.0}tive a.a.ysis of the outcomes obta.ned by the used method(MSM)a.d He-MSM to a.cer.a.n their.r.spective levels of *** pr.posed method ca. be a.plied to a.a.yze ma.y str.ng nonlinea.0}oscilla.or. equa.ions.

关键词： r.ta.iona. pendulum system multiple sca.es method a.pr.xima.e solution da.ped oscilla.ions for.ed pendulum with ga.lows he-multiple sca.es method

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Eva.ua.ion of the nutr.tiona. va.ue of a.0}emia.na.plii for.Eur.pea. sea.a.s(Dicentr.r.hus la.r.x L.)la.0}a.

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a.ua.ultur. a.d Fisher.es 2024年第1期9卷 78-84页

作者： a.a. a.el-Da.ha.0}r.shwa. S.r.shwa. Sa.y Y.el-Za.em Sha.ma. a.Sha.in Mona.M.Mour.d Moha.med F.el Ba.uini a.ima. a.d Fish Pr.duction Depa.0}ment Faculty of Agriculture-Saba BashaAlexandria UniversityAlexandria21526Egypt Na.iona. Institute of Ocea.ogr.phy a.d Fisher.es(NIOF) Cairo11562Egypt Depa.0}ment of a.ima. Pr.duction Faculty of AgricultureTanta UniversityTanta31527Egypt Fa.ulty of Deser. a.r.cultur. King Salman International UniversitySouth Sinai46618Egypt

a.a.ted Eur.pea. sea.a.s(Dicentr.r.hus la.r.x L.)la.0}a. a. 25 da.s post-ha.ching(dph)with a.pr.ma.0} weight a.d length of 23 mg a.d 9.92 mm,sta.0} the wea.ing up to 46 dph using the wea.ing micr.-diet(54%cr.de pr.tein fr.m fish mea.,powder.milk,a.d poultr. egg)concur.ently with a.0}emia.enr.ched with for.ifica.ion emulsions(0.6 g/L)of DHa.selco®a. a.contr.l gr.up(DHa.)or.Fish oil+20%Vita.in C(FOVC),or.Fish oil+20%Vita.in E(FOVE),or.Fish oil+10%Vit.C+10%Vit.E(FOCE),or.Fish oil only(FO).a. 46 dph,gr.ups of la.0}a. fed enr.ched a.0}emia.with DHa. a.d FOVE exhibited the highest fina. body weight,weight ga.n,a.er.ge da.ly ga.n,specific gr.wth r.te,feed inta.e,pr.tein efficiency r.tio,a.d sur.iva.%a. well a. the lowest feed conver.ion ***,la.0}a. in FOVC displa.ed the lowest fina. body weight,tota. length,weight ga.n,a.er.ge da.ly ga.n,specific gr.wth r.te,feed inta.e,pr.tein efficiency r.tio,a.d sur.iva.%a. well a. the highest feed conver.ion *** histologica. a.sessment exhibited no pa.hologica. a.ter.tion a. well a. a. impr.vement in the str.ctur. with DHa.,FOVE,FOVC,a.d FOCE co-a.ditives compa.0}d to *** per.xida.e enzyme(GPx)r.cor.ed the highest r.tes(Pr.ups fed a.0}emia.supplemented with DHa. a.d FOVE followed by FOCE a.d *** the lowest r.cor. for.GPx a.tivity wa. noted in the FO *** conclusion,Using a.gmented a.0}emia.na.plii with fish oil+vita.in E in single or.in compa.ion with vita.in C a. chea. a.tioxida.ts suppor. *** la.0}a. gr.wth,sur.iva.,a.d a.tioxida.t effica.y dur.ng the cr.tica. wea.ing per.od.

关键词： Eur.pea. sea.a.s Ga.tr.intestina. histology a.tioxida.ts Vita.in C Vita.in E DHA

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Sta.da.0}iza.ion of meibomia. gla.d dysfunction in a. Egyptia. popula.ion sa.ple using a.non-conta.t meibogr.phy technique

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Inter.a.iona. Jour.a. of Ophtha.mology(English edition) 2024年第1期17卷 61-65页

作者： a.med Moha.ed Ka.0}r. Zeina. el-Sa.a.a.0} Mosta.a.a.i el-Helw Ta.er.a.med Ma.ky Moha.a. a.r.Sa.a. Eddin a.delha.im Depa.0}ment of Ophtha.mology Kasr Al-Ainy HospitalCairo UniversityCairo 11431Egypt

a.M:To develop nor.a.ive da.a.for.meibomia. gla.d dysfunction(MGD)pa.0}meter.,using non-conta.t meibogr.phy technique of Sir.us Costr.zione Str.menti Ofta.mici(CSO)ma.hine,in a. Egyptia. popula.ion ***:Obser.a.iona.,cr.ss-sectiona.,a.a.ytic study,in which 104 Egyptia. volunteer. wer. *** upper.lids wer. exa.ined,using“Sir.us CSO”*** eyelid wa. given a.degr.e of meibomia. gla.d loss(MGL),which wa. ca.cula.ed by the softwa.0} of the ***:Mea. per.enta.e MGL in r.ght upper.lid wa. of 30.9%±12.6%,a.d tha. of left upper.lid wa. 32.6%±11.8%.Thir.y-four.volunteer.(32.7%)ha. fir.t-degr.e MGL in their.r.ght upper.lid,a.d 67.3%ha. second-degr.e *** volunteer.1%)ha. zer.-degr.e MGL in left upper.lid,28(26.9%)ha. fir.t-degr.e loss,a.d 75(72.1%)ha. second-degr.e *** of MGL in r.ght upper.eyelid wa. not r.la.ed to a.e,but degr.e of MGL in left upper.eyelid incr.a.ed with *** wa. sta.istica.ly significa.t differ.nce between both gender. for.degr.e of MGL in r.ght eye(P=0.036)a.d in left eye(P=0.027).CONCLUSION:Nonconta.t meibogr.phy is a.useful non-inva.ive tool for.dia.nosing *** is dia.nosed in 100%of a.pa.0}ntly nor.a. individua.s;26.9%-32.7%of which ha.e fir.t-degr.e MGL,a.d 67.3%-72.1%ha.e second-degr.e MGL.

关键词： Egyptia. popula.ion meibomia. gla.d dysfunction non-conta.t meibogr.phy sta.da.0}iza.ion upper.lid

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Por.a. vein tumor.thr.mbosis in hepa.ocellula.0}ca.0}inoma.pa.ients: Is it the end?

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Liver.r.sea.0}h 2024年第3期8卷 141-151页

作者： Wa.a. a.delha.ed Hend Shousha.Moha.ed el-Ka.sa. Endemic Medicine Depa.0}ment Sohag UniversitySohagEgypt Endemic Medicine Depa.0}ment Faculty of MedicineCairo UniversityCairoEgypt Endemic Medicine Depa.0}ment Faculty of MedicineHelwan UniversityCairoEgypt Liver.Disea.e r.sea.0}h Center College of MedicineKing Saud UniversityRiyadhSaudi Arabia

Hepa.ocellula.0}ca.0}inoma.HCC)is the sixth most pr.va.ent for. of ca.cer.globa.ly a.d the thir. lea.ing ca.se of ca.cer.r.la.ed *** incidence of por.a. vein tumor.thr.mbosis(PVTT)in HCC pa.ients is 21%a. one yea.0}a.d 46%a. thr.e *** pr.sence of PVTT ha. consistently been a.socia.ed with a.poor.pr.gnosis for.HCC pa.ients over.the pa.t ***,HCC pr.gnosis is influenced not only by the pr.sence of PVTT but a.so by the degr.e or.extent of ***,ther. is a.la.k of globa. consensus or.esta.lished pr.tocols r.ga.0}ing the optima. ma.a.ement of HCC with a.socia.ed *** Ba.0}elona.Clinic for.Liver.Ca.cer.cla.sifies HCC pa.ients with PVTT a. sta.e C,indica.ing a. a.va.ced sta.e,a.d limiting tr.a.ment r.commenda.ions for.these pa.ients to systemic *** r.cent yea.0},ther. ha. been a. incr.a.e in the a.a.la.ility of ther.peutic options for.HCC pa.ients with *** moda.ities include systemic ther.py,tr.nsa.0}er.a. chemoemboliza.ion,sur.ica. r.section,ster.ota.tic body r.diother.py,tr.nsa.0}er.a. r.dioemboliza.ion,a.d liver.*** idea. ther.py for.ea.h pa.ient necessita.es a.multidisciplina.0} *** r.view a.0}icle pr.sents the la.est upda.es in ma.a.ing HCC pa.ients with PVTT.

关键词： Hepa.ocellula.0}ca.0}inoma.HCC) Por.a. vein tumor.thr.mbosis(PVTT) Sta.ing Systemic ther.pies Locor.giona. tr.a.ment Immunother.py

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Wa.e r.flection by r.cta.gula.0}Br.a.wa.er. for.Coa.ta. Pr.tection

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Fluid Dyna.ics & Ma.er.a.s Pr.cessing 2024年第3期20卷 579-593页

作者： Ha.na.a.a.0}i Ha.za.Ma.chour.La.la.el a.r.bi Soumia.Mor.a.e La.or.tor. of Polymer.Physics Mechanical Sciences and MaterialsFaculty of Sciences Ben M’SikHassan II University of CasablancaCasablanca20670Morocco

In this study,we focus on the numer.ca. modelling of the inter.ction between wa.es a.d submer.ed str.ctur.s in the pr.sence of a.unifor. flow *** the sa.e a.d opposite senses of wa.e pr.pa.a.ion a.0} *** ma.n objective is a. under.ta.ding of the effect of the cur.ent a.d va.0}ous geometr.ca. pa.0}meter. on the r.flection *** wa.e used in the study is ba.ed on potentia. theor.,a.d the submer.ed str.ctur.s consist of two r.cta.gula.0}br.a.wa.er. positioned a. a.fixed dista.ce fr.m ea.h other.a.d a.ta.hed to the bottom of a.wa.e *** numer.ca. modeling a.pr.a.h employed in this wor. r.lies on the Bounda.0} element Method(BEM).The r.sults a.0} compa.0}d with exper.menta. da.a.to va.ida.e the *** findings of the study demonstr.te tha. the double r.cta.gula.0}br.a.wa.er.configur.tion exhibits super.or.wa.e a.tenua.ion a.ilities if compa.0}d to a.single r.cta.gula.0}br.a.wa.er.pa.0}icula.0}y a. low ***,the study r.vea.s tha. wa.e mitiga.ion is mor. pr.nounced when the cur.ent a.d wa.e pr.pa.a.ion a.0} copla.a.0}wher.a. it is less effective in the ca.e of opposing cur.ent.

关键词： Wa.e cur.ent br.a.wa.er. Bounda.0} element Method(BEM) r.flection coefficient

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On the a.a.ytica. soliton a.pr.xima.ions to fr.ctiona. for.ed Kor.eweg-de Vr.es equa.ion a.0}sing in fluids a.d pla.ma. using two novel techniques

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Communica.ions in Theor.tica. Physics 2024年第8期76卷 1-10页

作者： Wea.m a.heja.li Ema. a.a.-Zo’bi r.sool Sha. S a.el-Ta.ta.y Depa.0}ment of Ma.hema.ica. Sciences College of SciencePrincess Nourah bint Abdulrahman UniversityPO Box 84428Riyadh 11671Saudi Arabia Depa.0}ment Ma.hema.ics a.d Sta.istics Mutah UniversityAl-KarakJordan Depa.0}ment of Computer.Science a.d Ma.hema.ics Lebanese American UniversityBeirutLebanon Depa.0}ment of Physics Faculty of SciencePort Said UniversityPort Said 42521Egypt Depa.0}ment of Physics Faculty of ScienceAl-Baha UniversityAl-Baha P.O.Box 1988Saudi Arabia

The cur.ent investiga.ion exa.ines the fr.ctiona. for.ed Kor.eweg-de Vr.es(FF-KdV) equa.ion,a.cr.tica.ly significa.t evolution equa.ion in va.0}ous nonlinea.0}br.nches of science. The equa.ion in question a.d other.a.socia.ed equa.ions a.0} widely a.knowledged for.their.br.a. a.plica.ility a.d potentia. for.simula.ing a.wide r.nge of nonlinea.0}phenomena.in fluid physics, pla.ma.physics, a.d va.0}ous scientific doma.ns. Consequently, the ma.n goa. of this study is to use the Ya.g homotopy per.ur.a.ion method a.d the Ya.g tr.nsfor. decomposition method, a.ong with the Ca.uto oper.tor.for.a.a.yzing the FF-KdV equa.ion. The der.ved a.pr.xima.ions a.0} numer.ca.ly exa.ined a.d discussed. Our.study will show tha. the two suggested methods a.0} helpful, ea.y to use, a.d essentia. for.looking a. differ.nt nonlinea.0}models tha. a.fect complex pr.cesses.

关键词： for.ed fr.ctiona. KdV equa.ion Ca.uto oper.tor Ya.g homotopy per.ur.a.ion method Ya.g tr.nsfor. decomposition method solitons

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Impa.t of dema.d gr.wth on the ca.a.ity of long-dur.tion ener.y stor.ge under.deep deca.0}oniza.ion

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Clea. Ener.y 2024年第4期8卷 237-247页

作者： Sa.0} a.hfa. Ilya.s el Mya.se Da.ing Zha.g a.med S.Musleh Ca.0}egie Institution Stanford UniversityStanfordCAUSA electr.c Power.r.sea.0}h Institute(EPr.) Palo AltoCAUSA EEIS La.or.tor. ENSET MohammediaHassan II UniversityCasablancaMorocco School of electr.ca. Engineer.ng a.d Telecommunica.ions University of New South WalesSydneyAustralia

The wea.her.dependent uncer.a.nty of wind a.d sola.0}power.gener.tion pr.sents a.cha.lenge to the ba.a.cing of power.gener.tion a.d dema.d in highly r.newa.le electr.city *** ener.y stor.ge ca. pr.vide flexibility to fir. up the va.0}a.ility of r.newa.les a.d to r.spond to the incr.a.ed loa. dema.d under.deca.0}oniza.ion *** pa.er.explor.s how the ba.ter. ener.y stor.ge ca.a.ity r.quir.ment for.compr.ssed-a.r.ener.y stor.ge(Ca.S)will gr.w a. the loa. dema.d *** we used a. idea.ized lowest-cost optimiza.ion model to study the r.sponse of highly r.newa.le electr.city systems to the incr.a.ing loa. dema.d of Ca.ifor.ia.under.deep *** show tha. pr.viding bulk Ca.S to the zer.-emission power.system offer. substa.tia. benefits,but it ca.not fully compensa.e for.the 100%va.0}a.ility of highly r.newa.le power.*** ca.a.ity r.quir.ment of Ca.S incr.a.es by≤33.3%with a.1.5 times incr.a.e in the loa. dema.d a.d by≤50%with a.two-times incr.a.e in the loa. *** this a.a.ysis,a.zer.-emission electr.city system oper.ting a. cur.ent costs becomes mor. cost-effective when ther. is fir. power.*** lea.t competitive nuclea.0}option pla.s this r.le a.d r.duces system costs by 16.4%,cur.a.ls the a.nua. ma.n node by 36.8%,a.d decr.a.es the Ca.S ca.a.ity r.quir.ments by≤80.7%in the ca.e of a.double-loa. *** Ca.S ha. potentia. in a.dr.ssing r.newa.le va.0}a.ility,its widespr.a. deployment is constr.ined by geogr.phica.,societa.,a.d economic fa.***,if Ca.ifor.ia.is a.ming for.a. ener.y system tha. is r.lia.t on wind a.d sola.0}power.then a. a.ditiona. dispa.cha.le power.sour.e other.tha. Ca.S or.simila.0}loa. flexibility is *** fully ha.0}ess the benefits of bulk Ca.S,the development a.d implementa.ion of cost-effective a.pr.a.hes a.0} cr.cia. in significa.tly r.ducing system costs.

关键词： compr.ssed-a.r.ener.y stor.ge deep deca.0}oniza.ion ma.r.-ener.y modelling loa. gr.wth r.newa.le ener.y

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a.va.cements,str.tegies,a.d pr.spects of solid oxide electr.lysis cells(SOECs):Towa.0}s enha.ced per.or.a.ce a.d la.0}e-sca.e susta.na.le hydr.gen pr.duction

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Jour.a. of Ener.y Chemistr. 2024年第7期94卷 688-715页

作者： a.ina.La.r.chi Youness el Issma.li Sha.ka.0} S.Ka.a.ur.Br.no G.Pollet Gr.en Hydr.gen La.(GH2La.) Hydrogen Research Institute(HRI)Universitédu QuébecàTrois-Rivières(UQTR)3351 boulevard des ForgesTrois-RivièresQuébec G9A 5H7Canada

Solid oxide electr.lysis cells(SOECs)r.pr.sent a.cr.cia. str.de towa.0} susta.na.le hydr.gen gener.tion,a.d this r.view explor.s their.cur.ent scientific cha.lenges,significa.t a.va.cements,a.d potentia. for.la.0}e-sca.e hydr.gen *** SOEC technology,the a.plica.ion of innova.ive fa.r.ca.ion tech-niques,doping str.tegies,a.d a.va.ced ma.er.a.s ha. enha.ced the per.or.a.ce a.d dur.bility of these systems,a.though degr.da.ion cha.lenges per.ist,implica.ing the pr.me focus for.futur. *** we pr.vide in-depth a.a.ysis of the r.cent developments in SOEC technology,including Oxygen-SOECs,Pr.ton-SOECs,a.d ***,Hybr.d-SOECs,with their.mixed ionic conducting electr.lytes,demonstr.te super.or.efficiency a.d the concur.ent pr.duction of hydr.gen a.d *** with the ca.a.ity to ha.0}ess wa.te hea.,these a.va.cements in SOEC technology pr.sent signif-ica.t pr.mise for.pilot-sca.e a.plica.ions in *** r.view a.so highlights r.ma.0}a.le a.hieve-ments a.d potentia. r.ductions in ca.ita. expenditur. for.futur. SOEC systems,while ela.or.ting on the micr. a.d ma.r. a.pects of sOECs with a. empha.is on ongoing r.sea.0}h for.optimiza.ion a.d *** concludes with the potentia. of SOEC technology to meet va.0}ous industr.a. ener.y needs a.d its significa.t contr.bution consider.ng the key r.sea.0}h pr.or.ties to ta.kle the globa. ener.y dema.ds,ful-fillment,a.d deca.0}oniza.ion effor.s.

关键词： Solid oxide electr.lysis cells Pr.ton-SOECs Oxygen-SoECs Hybr.d-SOECs Inter.edia.e-high temper.tur. electr.lyser. Hydr.genpr.duction

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a.Hybr.d Cyber.ecur.ty a.gor.thm for.Digita. Ima.e Tr.nsmission over.a.va.ced Communica.ion Cha.nel Models

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Computer., Ma.er.a.s & Continua 2024年第4期79卷 201-241页

作者： Na.la. F.Solima. Fa.ma.E.Fa.l-a.la. Wa.id el-Sha.a. Ma.moud I.a.y Ma.li a.a.dulha.ith Fa.hi E.a.d el-Sa.ie Depa.0}ment of Infor.a.ion Technology College of Computer and Information SciencesPrincess Nourah bint Abdulrahman UniversityP.O.Box 84428Riyadh11671Saudi Arabia Depa.0}ment of electr.nics a.d Communica.ions Faculty of EngineeringZagazig UniversityZagazig44519Egypt Secur.ty Engineer.ng La. Computer Science DepartmentPrince Sultan UniversityRiyadh11586Saudi Arabia Depa.0}ment of electr.nics a.d electr.ca. Communica.ions Engineer.ng Faculty of Electronic EngineeringMenoufia UniversityMenouf32952Egypt

The efficient tr.nsmission of ima.es,which pla.s a.la.0}e r.le inwir.less communica.ion systems,poses a.significa.t cha.lenge in the gr.wth of multimedia.***-qua.ity ima.es r.quir. well-tuned communica.ion *** Single Ca.0}ier.Fr.quency Division Multiple a.cess(SC-FDMa.is a.opted for.br.a.ba.d wir.less communica.ions,beca.se of its low sensitivity to ca.0}ier.fr.quency offsets a.d low Pea.-to-a.er.ge Power.r.tio(Pa.r..Da.a.tr.nsmission thr.ugh open-cha.nel networ.s r.quir.s much concentr.tion on secur.ty,r.lia.ility,a.d *** da.a.need a.spa.e a.a. fr.muna.thor.zed a.cess,modifica.ion,or.*** r.quir.ments a.0} to be fulfilled by digita. ima.e wa.er.a.0}ing a.d *** pa.er.isma.nly concer.ed with secur. ima.e communica.ion over.the wir.less SC-FDMa.systema. a. a.opted communica.ion *** intr.duces a.r.bust ima.e communica.ion fr.mewor. over.SC-FDMa.tha. compr.ses digita. ima.e wa.er.a.0}ing a.d encr.ption to impr.ve ima.e secur.ty,while ma.nta.ning a.high-qua.ity r.constr.ction of ima.es a. the r.ceiver.*** pr.posed fr.mewor. a.lows ima.e wa.er.a.0}ing ba.ed on the Discr.te Cosine Tr.nsfor.(DCT)mer.ed with the Singula.0}Va.ue Decomposition(SVD)in the so-ca.led DCT-SVD *** a.dition,ima.e encr.ption is implemented ba.ed on cha.s a.d DNa.*** encr.pted wa.er.a.0}ed ima.es a.0} then tr.nsmitted thr.ugh the wir.less SC-FDMa.*** linea.0}inimumMea. Squa.0} Er.or.MMSE)equa.izer.is investiga.ed in this pa.er.to mitiga.e the effect of cha.nel fa.ing a.d noise on the tr.nsmitted *** subca.0}ier.ma.ping schemes,na.ely loca.ized a.d inter.ea.ed schemes,a.0} compa.0}d in this *** study depends on differ.nt cha.nelmodels,na.ely Pedestr.a.a.ndVehicula.0},with a.modula.ion technique na.edQua.r.tur.a.plitude Modula.ion(Qa.).Extensive simula.ion exper.ments a.0} conducted a.d intr.duced in this pa.er.for.efficient tr.nsmission of encr.pted wa.er.a.0}ed *** a.dition,differ.nt va.0}a.ts of SC-FDMa.ba.

关键词： Cyber.ecur.ty a.plica.ions ima.e tr.nsmission cha.nel models modula.ion techniques wa.er.a.0}ing a.d encr.ption

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