Peregrine 半导体公司是射频 SOI （绝缘体上硅）技术的创始人，先进的射频解决方案的先行者，今日宣布其UltraCMOS PE42723是目前市面上拥有最高线性指标的射频开关。作为其公司的成功产品PE42722的升级版，这个全新推出的射频开关...Peregrine 半导体公司是射频 SOI （绝缘体上硅）技术的创始人，先进的射频解决方案的先行者，今日宣布其UltraCMOS PE42723是目前市面上拥有最高线性指标的射频开关。作为其公司的成功产品PE42722的升级版，这个全新推出的射频开关在更小的封装中提供了增强的性能。与上一代产品一样，PE42723的线性性能达到了有线电视行业DOCSIS 3．1标准，使有线客户端设备（CPE）可实现一个上行／下行双频段的架构。展开更多
在德国科隆举行的ANGACOM有线电视和宽带展览会上,华为与丹麦第一大综合运营商TDC联合宣布,近日合作完成了业界首个基于最新DOCSIS 3.1（Data Over Cable Service Interface Specification,有线数据传输业务接口规范）标准的外场测试,...在德国科隆举行的ANGACOM有线电视和宽带展览会上,华为与丹麦第一大综合运营商TDC联合宣布,近日合作完成了业界首个基于最新DOCSIS 3.1（Data Over Cable Service Interface Specification,有线数据传输业务接口规范）标准的外场测试,终端用户的实测下行速率超过了840Mbit/s。展开更多
本文分析了当前广电运营商接入网演进的难点和问题,创新性提出接入网FTTH与DOCSIS技术融合(Ai A,Access in All)演进思路及方案,兼顾Fiber与Cable的演进,既保护了原有投资又实现了Cable网络的千兆升级,同时“一步到位”基本完成了FTTH覆...本文分析了当前广电运营商接入网演进的难点和问题,创新性提出接入网FTTH与DOCSIS技术融合(Ai A,Access in All)演进思路及方案,兼顾Fiber与Cable的演进,既保护了原有投资又实现了Cable网络的千兆升级,同时“一步到位”基本完成了FTTH覆盖,可实现广电接入网建设投资精准、业务可控迁移和网络平滑演进。展开更多
Grain size and weight are closely related traits determining yield in rice(Oryza sativa L.).Since indica and japonica rice varieties differ significantly in multiple traits,a high-generation recombinant inbred line(RI...Grain size and weight are closely related traits determining yield in rice(Oryza sativa L.).Since indica and japonica rice varieties differ significantly in multiple traits,a high-generation recombinant inbred line(RIL)population derived from the crossing LH9(indica)and RPY(japonica)was used to map grainrelated traits in six environments.Pyramiding of the quantitative trait loci(QTL)for thousand-grain weight showed that combinations of multiple QTL significantly increased the phenotypic effect.A novel gene named GSW3.1 controlling grain size and weight was discovered using the major QTL for the colocalization of grain width and thousand-grain weight on chromosome 3.Gene editing revealed that GSW3.1(LOC_Os03g16850)was pleiotropic,positively regulating grain size and weight while affecting several other agronomic traits.Haplotype analysis indicated that some traits,including grain width and weight,were highly correlated with indica-japonica differentiation.展开更多
文摘在德国科隆举行的ANGACOM有线电视和宽带展览会上,华为与丹麦第一大综合运营商TDC联合宣布,近日合作完成了业界首个基于最新DOCSIS 3.1（Data Over Cable Service Interface Specification,有线数据传输业务接口规范）标准的外场测试,终端用户的实测下行速率超过了840Mbit/s。
文摘本文分析了当前广电运营商接入网演进的难点和问题,创新性提出接入网FTTH与DOCSIS技术融合(Ai A,Access in All)演进思路及方案,兼顾Fiber与Cable的演进,既保护了原有投资又实现了Cable网络的千兆升级,同时“一步到位”基本完成了FTTH覆盖,可实现广电接入网建设投资精准、业务可控迁移和网络平滑演进。
基金supported by the National Key Research and Development Program of China(2016YFD0100400)the National Special Key Project for Transgenic Breeding(2016ZX08001001)。
文摘Grain size and weight are closely related traits determining yield in rice(Oryza sativa L.).Since indica and japonica rice varieties differ significantly in multiple traits,a high-generation recombinant inbred line(RIL)population derived from the crossing LH9(indica)and RPY(japonica)was used to map grainrelated traits in six environments.Pyramiding of the quantitative trait loci(QTL)for thousand-grain weight showed that combinations of multiple QTL significantly increased the phenotypic effect.A novel gene named GSW3.1 controlling grain size and weight was discovered using the major QTL for the colocalization of grain width and thousand-grain weight on chromosome 3.Gene editing revealed that GSW3.1(LOC_Os03g16850)was pleiotropic,positively regulating grain size and weight while affecting several other agronomic traits.Haplotype analysis indicated that some traits,including grain width and weight,were highly correlated with indica-japonica differentiation.
