查询词典 high frequency

It obtains the various optical images of the sample's nanometer surface, transcended the diffraction limit of conventional optical microscope, by using a fine optical-fiber tip probing ultra-high frequency optical information on the sample surface. And it has extensively been applied on life science, chemistry and material science fields.

它利用细小的光学探针探测样品表面隐失波的超高频空间信息，超越经典衍射极限的限制，可对样品表面纳米尺度区域的各种光学信息进行扫描成像，在生命科学、化学及材料科学领域中都有着广泛而重要的应用。

We label the ultra-high frequency RFID tags on books to test the RFID readability. We consider the following factors: the distance, the angle between RFID reader and books, the thickness of books, the tag position on the book, and read many books simultaneously, etc.

我们用超高频的标签贴在书本上，实际测试RFID应用在书本上的读取率，并探讨距离、角度、书本厚度、标签贴在书本位置、多本书的影响以及多本书不同位置的读取率等因素。

In addition, those theories predict different market conditions have impact on the market depth. This study explores the market depth under different market conditions based on the ultra-high frequency data of Taiwan index futures contracts traded on TAIFEX.

本研究以台湾期货交易所的股价指数期货契约为研究对象，利用日内高频率交易资料为基础，验证市场深度是否会随著买卖价差、价格波动性和成交量等市场状况不同而改变。

A new approach for pattern recognition of ultra-high frequency signals of transformer partial discharge based on multi-scale analysis of wavelet packet and grid dimensionality is proposed, in which the multi-scale transform of wavelet packet is used to extract wavelet coefficients of UHF PD signals and by means of improving difference box-counting method the grid dimensionality of multi-scale wavelet coefficients is calculated and the multi-scale grid dimensionality is taken as the characteristic quantity that is used in the recognition of UHF PD signals.

提出了一种基于小波包多尺度分析和网格维数的变压器局部放电超高频信号模式识别的新方法，采用小波包多尺度变换提取局部放电超高频信号在多尺度上的小波系数，通过改进差盒计数法计算多尺度小波系数的网格维数，并将多尺度网格维数作为特征量用于局部放电超高频信号的识别。

Communications functions range from basic ultrahigh/very high frequency to single channel ground and airborne radio system and Have Quick. The aircraft also supports several datalinks for communications and situational awareness such as Link 16 and a specialized multi-array datalink for stealthy communications between aircraft.

通信系统功能有甚高频/超高频频段通信，单通道空地无线电系统以及"Have Quick"跳频通信。F-35还支持多种通信和战场感知数据链，例如16号链以及一条用于战机间保密通信的多阵列数据链。

In addition, by adding some attachments, such as Starbinder30-bookbiding line is accompanied by a ultrared intermediate dryers and high frequency dryer, extending the use of the feature.

另外，通过增加某些附件，如Starbinder30型装订生产线附有红外线中间干燥装置和高频干燥装置，扩展了使用功能。

High-frequency ultrasound has important diagnostic value in the Disease of the musculoskeletal system,as an unfound,fast and easy to reduplicative imaging in Musculoskeletal system diseases.The sound beam of ultrasonic visualization can cut through the joint space,which offers a convenient and shortcut bases in the localization.

高频彩超作为一种无创、快速、便于重复的影像学检查方法，对于肌肉骨骼系统疾病应用诊断价值高，超声显像的声束能从骨关节间隙中穿过，在定位方面提供了简便快捷的依据。

The advantages of linear, and distortion of small (uniform electric field than the magnetic field), good transient response, good high frequency response.

优点是线性好、失真小，瞬态响应好，高频响应好。

Based on the mathematical model of three phase PWM high frequency rectifier, the theory of dual-close-loop controller and implementation of unit power factor of the supply-side rectifier in the doubly-fed generating system are analyzed.

基于三相PWM高频整流器的数学模型，详细分析了双馈发电系统中电网侧整流器的双闭环控制原理和单位功率因数的实现方法。

Being larger linguistic units which appear in the real communication at high frequency and more fixed in structures, they have many advantages of being the ideal unit in English learning and teaching.

它融合了语法、语义和语境的优势，并且形式较为固定。以词块作为英语词汇教学的单位，符合认知的基本规律，并且在听说读写等各方面都有着其它教学法所不能比拟的优势。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！