laizifrost&sullivandezuixinchanfabaogaoxianxian，huanqiuxiebodianyuanlvboqi(harmonicfilter)shichangzai2005nianzhichuwei4.167yimeiyuan，guliangdao2012nianshichangguimojiangda8.891yimeiyuan。
jinchao，huanqiudianzishichangduidianyuanpindedeqingqiuyulaiyugao，dianyuanxingyeyezhengzaigailiangchanwupinde。tongshi，kehuyejiabeilinghuileguantouliyongzhongdipindedianyuandewuhaichengguo，zheixiedoubiancelehuanqiuxiebodianyuanlvboqishichangdezengjia。
weichuzhiqiliyongzengjia，hedianzifuhequdediannengdejinchengchengshizhishidapidexiebojibian。xiaomixiebojibianhebaochidianyuanpindedexuyao，shixiebodianyuanlvboqideliyongguimobushikuozhan。
tongshi，xiebodianyuanlvboqishichangzailifafangmianhuodelelaizidangjuheguizhangnidingjigoudedinglichengchi。bifang，dianqihedianzigongchengshixiehui(ieee)de519-1992heg5/4qiangpohuading，dangjienadazhongouhedian(pointofcommoncoupling,pcc)zhangliangshi，gonglvchanshengqizhizuodexiebobixuzaixiandingguimonei。yankudeguifanheshixingxizeposhigezhongjigoubixucaiyongxuyaodebulv，zheichengweibiancexiebodianyuanlvboqishichangchengzhangdeyigeshouyaoshenfen。
frost&sullivanyantaochanfayuanmuthiaharunachalambiaoxian，“zhizuoshangziyuanjiangchanwujinji，yizhizuchabiedeguifan。tongshi，zheixiegongsibudebutourujuzicongtoushexiangtamendechanwu。zaixiebodianyuanlvboqishichangguifanfangmian，ruoshinidingguizhangdejigouhedangjugaojungongming，zheiduidaochangzhejianghenshiwuyi。”