Based on the structure and operator characteristic of gas insulated switchgear ( GIS ) an outer ultra-high-frequency ( UHF ) shield resonance loop antenna ( SRLA ) is designed for detecting the partial discharge ( PD ) in GIS .

结合实际GIS结构、运行的特点，设计了用于GIS局部放电检测的外置 超高频屏蔽谐振式环天线（SRLA）传感器。

Put forward a diagnosis method of zero value insulator based on the electromagnetic wave detection namely a method of detecting partial discharge using both ultra-high-frequency ( UHF ) and high-freqnency ( HF ) .

提出了基于电磁波检测的零值绝缘子诊断方法（即联合采用 特高频和高频的局放电流检测方法）。

Based on an analysis of UHF ( ultra-high-frequency ) characteristic of PD ( partial discharge ) in power transformer using mixing technique a signal disposal cell has been devised for the sake of facilitating common data sampling card .

在分析了电力变压器局部放电的超 高频特性的基础上，利用混频技术，设计了 局部 放电超 高频信号的信号调理单元，方便普通数字采集卡采集。

Research on Ultra-High-Frequency Method for Detection of Partial Discharge in GIS

GIS局部放电 超 高频检测法 有关 问题 的 仿真研究

Duration Ultra-High-Frequency Volatility and Value-at-Risk : Forecasting Financial Market Risk Using Intraday Information

交易间隔、 超 高频波动率与VaR&利用日内信息预测金融市场风险

The principles of detection technique and it 's application to detect PD signals at ultra-high-frequency ( UHF ) are introduced .

介绍了检波原理及其在 超 高频（UHF）局放检测中的应用。

According to the problems existed in field large power transformer PD on-line monitoring system this paper researches the PD propagation characteristics based on pulse current method and ultra-high-frequency ( UHF ) detection method respectively .

本论文针对大型电力变压器的局部放电在线监测系统在现场应用中存在的问题，分别基于大型电力变压器局部放电的在线监测的脉冲电流法和 超高频检测法，研究了局部放电信号的传播特性。

Study on the ultra-high-frequency sensor for PD detection in power transformer

用于变压器局部放电检测的 超 高频

Financial Econometrics Study on Ultra-high-frequency Data

甚 高频 交易数据的金融计量研究

UHF mini-trunking radio system ultra-high-frequency radio system

超高频小型中继无线通信系统 特高 频率无线电通信系统

This paper transplants marked point process theory to financial econometrics to analyze ultra-high-frequency data derives sample function density and its maximum likelihood estimating formulation .

本文把标值 随机点过程的理论移植到金融计量经济学中，通过定义 表征 价格运动的 标值 随机点过程 强度计算公式，导出了 甚 高频金融交易数据的样本函数密度公式，以及最大似然估计方程式。

The ultra-high-frequency ( UHF ) method has been proved an effective way for the measurement of partial discharge in GIS .

对于GIS局部放电的测量， 超高频法是一种较为有效的方法。