ר:GSMCDMAֻ˭?
2001-12-11 11:11
ڶĵͿвŵʾδֻк֤ݣֻĵŷעҵȨй̩ʵҵİȫżݲойרҶԡɫֻ⡣ʵϢҵŲƷָ֤ȨԻȨԻϿɡĿǰг۵ĸͺŵֻ辭ɸû⣬С
ֻСԺΪרҽܣʿѧáSARֵֻͲSARǡSpecificAbsorptionRateдʡǵλʱڵλյĵշͨؽDzֻӰǷϱĿǰͨõıΪ6Ӽʱÿ֯յĵŷó2ߡһΪҵͨñҵΪ֪в֪ҵרΪֻҪDzֻķֵʣҲרҵʿΪҪȡڻվֻĹʿơй̩ʵרŴ¸ĵŷרҡ̩ʵҸϡλרҽܣֻСSARֵǺֻΨһ
GSMֻCDMAֻ˭Ŀǰ߹ĵĻ֮һרҽܣGSMֻڲʱԻͲ̶绰ʾţCDMAֻӰΪݣ϶GSMֻĵŷҪЩͨGSMֻķֵΪ2ߡCDMAֻ书ʵָΪ0.2ߣͶ϶GSMֻCDMAֻ10Щ˵ȱѧݡ
λרָCDMAֻźŹķʽģGSMֻźţϡֻͨźţԻͲ̶绰ʾţ͵óGSMֻߵĽǴġGSMֻĵŷCDMAֻ10˵ϡΡκȻרΪרҵʿ˽⡰SARֵйءGSMʱֶַ(TDMA)ȻֵΪ2ߣʵʹʽΪ0.25ߣټϡSARֵļһλʱۼƹ̣ʵʼݱGSMֻCDMAֻĵŷֵͬһˮƽ˭˭һ˵
ֻС֪ʶ
ݹʵ˺֯ƼĺֻļSARֵҪGSMխCDMAֻĵŷڹȨ֤֯ɷΧ(ITUֵΪ2.0)ֻSARֵĴСҪȡߡƵأƶͨŵ缼
GSMϵͳͨźͻķʽͣͨŹֻа˷֮һʱڷźšûϤGSMֻ书0.82Wָźŷʱ߹ʣƽֻ0.10.25WխCDMAͨŹвõź䣬ķ书ƽʣԼ0.21.0WѿGSMֻƽ书СխCDMAֻճʹֻĹУǿGSMֻŹ̶绰ֻװ˸ԼĻŤGSMֻŷͷ书ʴɵӰ죬ҪGSMֻźŵһֱ֡
йظֻSARֵصIJԱڹ֯վ(www.speag.chwww.sartest.com)вѯ
ĵַ:http://www.cnonline.org/2001/article/1725.html
ֻСԺΪרҽܣʿѧáSARֵֻͲSARǡSpecificAbsorptionRateдʡǵλʱڵλյĵշͨؽDzֻӰǷϱĿǰͨõıΪ6Ӽʱÿ֯յĵŷó2ߡһΪҵͨñҵΪ֪в֪ҵרΪֻҪDzֻķֵʣҲרҵʿΪҪȡڻվֻĹʿơй̩ʵרŴ¸ĵŷרҡ̩ʵҸϡλרҽܣֻСSARֵǺֻΨһ
GSMֻCDMAֻ˭Ŀǰ߹ĵĻ֮һרҽܣGSMֻڲʱԻͲ̶绰ʾţCDMAֻӰΪݣ϶GSMֻĵŷҪЩͨGSMֻķֵΪ2ߡCDMAֻ书ʵָΪ0.2ߣͶ϶GSMֻCDMAֻ10Щ˵ȱѧݡ
λרָCDMAֻźŹķʽģGSMֻźţϡֻͨźţԻͲ̶绰ʾţ͵óGSMֻߵĽǴġGSMֻĵŷCDMAֻ10˵ϡΡκȻרΪרҵʿ˽⡰SARֵйءGSMʱֶַ(TDMA)ȻֵΪ2ߣʵʹʽΪ0.25ߣټϡSARֵļһλʱۼƹ̣ʵʼݱGSMֻCDMAֻĵŷֵͬһˮƽ˭˭һ˵
ֻС֪ʶ
ݹʵ˺֯ƼĺֻļSARֵҪGSMխCDMAֻĵŷڹȨ֤֯ɷΧ(ITUֵΪ2.0)ֻSARֵĴСҪȡߡƵأƶͨŵ缼
GSMϵͳͨźͻķʽͣͨŹֻа˷֮һʱڷźšûϤGSMֻ书0.82Wָźŷʱ߹ʣƽֻ0.10.25WխCDMAͨŹвõź䣬ķ书ƽʣԼ0.21.0WѿGSMֻƽ书СխCDMAֻճʹֻĹУǿGSMֻŹ̶绰ֻװ˸ԼĻŤGSMֻŷͷ书ʴɵӰ죬ҪGSMֻźŵһֱ֡
йظֻSARֵصIJԱڹ֯վ(www.speag.chwww.sartest.com)вѯ
ĵַ:http://www.cnonline.org/2001/article/1725.html