HAR相关论文
近年来,随着信息技术的发展和存储能力的提高,基于高频数据的HAR族模型在对各类金融市场波动率的预测研究中表现出了优异的预测效......
随着全球经济一体化进程的加快,国内金融市场的系统性风险和不确定性也随之增加,一个市场或者金融机构的风险可能会通过不同途径扩......
Everyone, when first stationed in a foreign country, experiences “culture shock” to some degree. In the works of the ......
take up 1. 接受（建议或挑战） He was afraid to take up a challenge. 他害怕接受挑战。 2. 拿起 Take up your arm......
The impact of long-range dependent (LRD) traffic on the buffer management schemes for WDM packet switches is studied by......
Motion and emotions are two critical features of human presence and activities.Recent developments in the field of indoo......
In this study,several kinds of flexible protective materials sprayed with polyurea elastomers(hereinafter referred to as......
异种移植是最终解决全球性供体器官严重短缺问题的最有效途径之一.异种移植中的超急性排斥反应(xenogeneic hyperacute rejection,......
By optimizing formulation and fabrication methods, a new binder for plasticizing powder extrusion molding ofhard metal, ......
建立逆变器并联系统模型,揭示直流侧共模电压和漏电流产生原因.根据PWM脉冲产生机理以及数字实现特点,从不同调制方式脉冲规律出发......
Dry valleys are a striking geographic landscape in Hengduan Mountains Region and are characterized by low rainfall, dese......
以Atmegal6单片机为控制核心，使用c语言，设计了智能交通灯控制系统。该系统实现东西、南北通行时间设定，倒计时显示通行时间，LED显示屏......
女性向来都象征着柔软细腻和优雅知性,她们对于美的恒定有着自己独特的想法理解。受到时代大环境的不断变化与影响,她们逐渐有了新......
目的对比并分析单切口和双切口白内障囊外摘除术(extra capsular cataract extraction,ECCE)对核硬度≥Ⅳ级伴低角膜内皮细胞密度......
