为契合无线基站与政企业务的统一承载需求,化解4G IP RAN网络与5G智能城域网并存引发的运维复杂性及业务互通困境,本文深入研究了智能城域网与无线接入网IP化(IP Radio Access Network, IP RAN)网络的融合组网演进方案。基于“一张承载...为契合无线基站与政企业务的统一承载需求,化解4G IP RAN网络与5G智能城域网并存引发的运维复杂性及业务互通困境,本文深入研究了智能城域网与无线接入网IP化(IP Radio Access Network, IP RAN)网络的融合组网演进方案。基于“一张承载网”理念,重点剖析了单内部网关协议(Interior Gateway Protocol, IGP)融合、双IGP融合及融合分组传送网(Packet Transport Network, PTN)等关键方案的技术难点、业务承载能力,并进行了优劣势对比分析。通过对详实的融合改造过程进行案例研究,验证了所提方案的可行性与有效性,成功实现4G/5G移动业务及新型政企业务的高效统一承载,显著提升了网络资源利用率,降低了维护复杂度,有助于提升网络数字化运营能力。展开更多
Establish an efficacy evaluation method for foundation products in vivo and vitro.The hiding power,whiteness,waterproof and anti-sweat effect were evaluated in vitro test,where CR ratio,Individual Type Angle (ITA°...Establish an efficacy evaluation method for foundation products in vivo and vitro.The hiding power,whiteness,waterproof and anti-sweat effect were evaluated in vitro test,where CR ratio,Individual Type Angle (ITA°) and chromatic aberration (E) were measured as evaluation indicators by standard black/white cardboard,artificial leather and artificial sweat.In clinical assessment,the anti-stain,waterproof,anti-sweat effect of the foundation products were evaluated through the ΔE change,before and after the treatment of products by staining,wetting,sweating in forearm skin.There were significant differences in CR ratio of different types of samples on standard black and white cardboards (P<0.05),ITA° of artificial leather has a significant increase after treatment (P<0.05),?E﹤1.5 in black cloth after dipping test,while ΔE﹤1.5 in leather after water and artificial sweat treatment.Clinical assessment showed that ?E ﹤50%,which had no significant difference in human skin color,before and after the test (P>0.05).The change trend of efficacy evaluation in vitro test was basically consistent with that of visual evaluation and clinical assessment,indicated that the efficacy evaluation methods of foundation products in vivo and vitro are intuitive,quantifiable,and can be used to evaluate the efficacy of foundation products.展开更多
文摘为契合无线基站与政企业务的统一承载需求,化解4G IP RAN网络与5G智能城域网并存引发的运维复杂性及业务互通困境,本文深入研究了智能城域网与无线接入网IP化(IP Radio Access Network, IP RAN)网络的融合组网演进方案。基于“一张承载网”理念,重点剖析了单内部网关协议(Interior Gateway Protocol, IGP)融合、双IGP融合及融合分组传送网(Packet Transport Network, PTN)等关键方案的技术难点、业务承载能力,并进行了优劣势对比分析。通过对详实的融合改造过程进行案例研究,验证了所提方案的可行性与有效性,成功实现4G/5G移动业务及新型政企业务的高效统一承载,显著提升了网络资源利用率,降低了维护复杂度,有助于提升网络数字化运营能力。
文摘Establish an efficacy evaluation method for foundation products in vivo and vitro.The hiding power,whiteness,waterproof and anti-sweat effect were evaluated in vitro test,where CR ratio,Individual Type Angle (ITA°) and chromatic aberration (E) were measured as evaluation indicators by standard black/white cardboard,artificial leather and artificial sweat.In clinical assessment,the anti-stain,waterproof,anti-sweat effect of the foundation products were evaluated through the ΔE change,before and after the treatment of products by staining,wetting,sweating in forearm skin.There were significant differences in CR ratio of different types of samples on standard black and white cardboards (P<0.05),ITA° of artificial leather has a significant increase after treatment (P<0.05),?E﹤1.5 in black cloth after dipping test,while ΔE﹤1.5 in leather after water and artificial sweat treatment.Clinical assessment showed that ?E ﹤50%,which had no significant difference in human skin color,before and after the test (P>0.05).The change trend of efficacy evaluation in vitro test was basically consistent with that of visual evaluation and clinical assessment,indicated that the efficacy evaluation methods of foundation products in vivo and vitro are intuitive,quantifiable,and can be used to evaluate the efficacy of foundation products.