1、

Several shortcomings of SRR suggested by Pendry resist the practice of LHM. The composite structure of SRR and wires has the disadvantages of high loss and narrow frequency band.

Pendry所提出的应用SRR和金属线实现的左手媒质结构有几个明显缺陷,高损耗,窄频带,相对大的结构尺寸使得这个结构还不能进入实用阶段。

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2、

T 755 High precision encoder, 10 mm blind hollow shaft, 125 Khz frequency response, Quadrature output.

4T755高精度编码器, 空心轴一十毫米盲,125Khz频率响应, 正交输出.

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3、

The infection frequency of HPV high-risk subtypes was different between the Uigur and Han cervical cancer.

HPV高危亚型感染频率在维吾尔族、汉族宫颈癌中不同。

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4、

The paper proposes application of Wavelet Neural Network in high-frequency time series calendar effects' study. At last, the paper proves that WNN is better than classical FFF regression.

提出了用小波神经网络(WNN)来定量研究高频金融时间序列日历效应,通过比较发现WNN是比弹性傅立叶形式(FFF)回归技术更具优势的方法。

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5、

By FFF regression of Andersen and Bollerslev ( 1997), we analysis the periodicity of Shanghai stock index 5-min high frequency data and the long memory characters in filtered absolute returns.

采用Andersen和Bollerslev(1997)的FFF回归方法,对上证综合指数高频数据中的周期性进行了分析,并分析了剔除周期后的绝对收益的长记忆性。

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6、

High-frequency Financial Data's Long Memory SV Model Analysis Based on FFF Regression

高频金融数据的长记忆SV模型分析&基于FFF回归

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7、

And after the intraday periodicity factors are filtered through FFF regression, the high frequency absolute return of fund index doesn't have obvious periodicity any longer.

通过FFF方法,将该周期因子进行滤波处理以后,基金指数高频绝对收益不再具有明显周期性。

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8、

This waveform generator has been successfully applied in ultrasonic sen-sor to generate high-frequency ultrasonic wave .

该波形发生器已经成功地应用于 超声波发射 换能器中.

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10、

High frequency induction hot wire TIG welding of aluminum alloy

铝合金高频感应热丝TIG焊接方法

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11、

UWB is an emerging wireless technology capable of high data rate transmission over a wide spectrum of frequency band with very low power.

UWB(超宽带)是一种以极低功率在短距离内高速传输数据的无线技术。

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12、

The analysis of high frequency ultrasound image on the diagnosis of the retina detachment disease

视网膜脱离疾病的高频率超声声像图分析

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13、

Objective To investigate the value of high frequency ultrasound examination on the diagnosis of the retina detachment disease.

目的探讨高频率超声对视网膜脱离疾病诊断价值。

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14、

High precision quartz oscillators were used for the transmission of BPV standard frequency and time signals at Shanghai Observatory.

在上海天文台BPV标频和时间信号的发播工作中,使用了高精度石英晶体振荡器。

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15、

Small dissipation factor at high frequency.

高的频率和小的损耗因素.

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16、

Development of Pest Control in Grain with High Frequency Dielectric Method

高频介电在粮食防虫中的应用研究进展

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18、

High-accuracy frequency estimation based on the continuous zoom in the local spectrum

基于局部频谱连续细化的高精度频率估计算法

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19、

In recent years, Frequency Modulation Continuous Wave Radar ( FMCWR) is widely used in many fields for its eminent characteristics, such as high resolution, large dynamic range, low radiant pollution to environment and good performance in anti-jamming, especially for vessel traffic system.

调频连续波雷达(FMCWR)具有分辨率高、信号动态范围大、对周围电磁环境干扰小、抗干扰能力强等特点,得到广泛应用,特别适用于海事交通管制系统(VTS)。

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20、

The millimeter wave ( MMW ) Inter-pulse stepped frequency radar is a type of wide band high-range-resolution radar.

毫米波脉冲频率步进雷达是一种宽带高距离分辨率雷达.

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