Jiyan HuangPeng WangXiaofeng ShenSpolecnost pro radioelektronicke inzenyrstviRadioengineeringHUANG, J. Y., WANG, P., SHEN, X. F. CRLBs for pilot-aided chan- nel estimation in OFDM system under Gaussian and non-Gaussian mixed noise. Radioengineering, 2012, vol. 21, no. 4, p. 1117 - ...
The first two-coach train ran in October 1910, and all the units had been reformed as two-coaches by June 1912. As three-car sets the units had been maintained in fixed formations and allocated the unit numbers 1E to 8E. However, after reforming as two-car trains fixed unit formations ...
《询价》ES38-2000-2-L-S01ES38-200-4-P-S01 ES38-360-E1-R-2.0- ¥[1_7ij1w4tp#51#WVlZWVQL4wujBXIA7QUhDrQOjQPqADcBTQR7OXcDCDikAv4A9wX9DeoBcBbXDGU=] BSQ_Insulation test system售 百士齐湿漏电流测试 ¥[1_7ij1w4tp#51#dHR0dHkoxSuJIBsrsTp2FNgslRSvFBciWi69LMQt2C7YLUQ69iFMJYc...
so as to improve the efficiency of personalized recommendation in O2O e-commerce.%随着O2O电子商务规模的不断扩大,O2O电子商务个性化推荐方法也成为研究热点.基于位置的服务(LBS)是O2O区别于传统电子商务的一个重要特点,因此在O2O电子商务个性化推荐中引入位置信息显得尤为重要.本文分析已有的电子商务个性化推荐技术,提...
GENCURE○R - Monomers & Oligomers 宝润化工 Technical Data Sheet 技术资料一, 二, 三, 四, 五, 六, 七, GENCURE NPGDA 化学名称 新戊二醇二丙烯酸酯 产品特点 低黏度,高反应活性,耐化学性. 产品使用范围 油墨,涂料 基本物理性质 外观:澄清透明液体 酯含量(%): ≥97.0 颜色 APHA: ≤30 黏度 cps,25...