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- Plant Trunked UHF Radio Systems. 装置超高频无线电系统。进厂控制系统。
- RF coaxial connector BNC, TNC, N, UHF. 射频同轴连接器BNC、TNC、N、UHF。
- Radio Acoustic Sounding with a UHF Volume Imaging Radar. 用UHF容积成象雷达进行无线电光学探测。
- In the mountains, UHF radio waves may not be a viable alternative. 在多山的区域中，超高频收音机可能不是能养活的替代选择。
- VHF, UHF, videography, and infrared systems and headsets. 网站简介 : Wireless microphones for working people.
- Implementation and Validation of Range Imaging on a UHF Radar Wind Profiler. 雷达风廓线仪立体成像的实现和确认。
- Purpose: UHF frequency converter, local oscillator，wide band am plifier. 用途:用于超高频频率转换,负载振荡器,宽频放大。
- Especially developed for UHF applications are the Waste Bin Tag and Slim Tag. 特别是开发超高频的应用是废纸箱标记和微标记。
- Pfizer is using the UHF RFID technology for its case and pallet tags. 辉瑞公司使用的是UHF RFID技术的案例和托盘标签。
- The daily VaRs of stock returns are computed using GARCH (1,1) model, MA method and RiskMetrics respectively. 分别采用 GARCH( 1 ;1 )模型、Risk Metrics和移动平均法预测上海股市日收益率的波动性 ;计算每天的 va R.
- Purpose: low noise amplifier at VHF, UHF and CATV band applications. 用途:用于甚高频、超高频和有线电视频段的低噪声放大。
- Stock returns and their volatility are analyzed using the GARCH (1, 1) model with game dummy variables. GARCH(1,1)模型配合球赛虚拟变数被应用来分析股市报酬及其变动性。
- An empirical analysis of the Shenzhen stock market is made by using the GARCH model and the SV model. 摘要文章采用GARCH模型和SV模型对深圳股市进行了实证分析；
- This paper analyses the behaviors of the volatility in the stock Market of Shanghai using GARCH models, and find there is the weekday effect. 摘要利用GARCH模型族，实证分析了上海股票市场的波动特征，发现存在较为明显的周日效应。
- This paper studies the Zhengzhou Commodity Exchange(CZCE) wheat futures for nearly four years,the return rate,and GARCH effect. 本文研究了我国郑州商品交易所(CZCE)小麦期货近四年的收益序列,采用GARCH和EGARCH类模型描述分析了小麦期货收益的波动集群性和杠杆效应。
- The empirical results show that Fractionally integrated GARCH with GED error model performs the best in estimating five percent VaR. 实证结果表明在估计95%25置信度下的VaR值时基于GED分布的FIGARCH(1,d,1)模型表现最佳。
- Present a design of the Emissive Microwave Power Control used for the UHF RFID Reader. 介绍一种用于适用于超高频段以上的射频读写器功率控制方案。
- The generalized autoregressive conditional heteroscedasticity (GARCH) model has the ability to describe the volatility of time series. 广义自回归条件异方差(GARCH)模型具有描述时间序列波动性的能力。
- Chapter 3 introduce ARCH model originated by Engle,GARCH model,GARCH- M model and asymmetric ARCH model involves TARCH and EARCH. 第三部分介绍了Engle的ARCH模型及以其为基础发展而来的GARCH模型，GARCH-M模型以及非对称的TARCH和EARCH模型。
- GARCH and GARCH-M models imply that the volatility is weakening, and investors who used to be risk preference have become risk aversion. GARCH和GARCH-M模型结论表明股市波动趋缓，投资者由风险偏好转为风险厌恶。
