射频波

射频波加入下的Fokker-Planck方程

The Fokker-Planck Equation in Radio-Frequency Waves

RFID系统主要由阅读器和电子标签组成，通过射频波在阅读器和电子标签之间传递数据。

RFID system is composed of readers and tags , transmitting data through radio frequency .

射频波就是电磁场，但与X射线或伽玛射线辐射等电离辐射不同的是，射频波不会打破化学键，也不会给人体造成电离辐射伤害。

Radiofrequency waves are electromagnetic fields , and unlike ionizing radiation such as X-rays or gamma rays , can neither break chemical bonds nor cause ionization in the human body .

因为MRI能检测氢原子内的能量产生的移动，当“新”基因引入动物体内时，被MRI产生的射频波打击后就变得可见。

Because MRI detects energy-produced shifts in hydrogen atoms , when the " new " gene was introduced into animal cells and then " pelted " with radiofrequency waves from the MRI , it became readily visible .

方法B超引导下经皮肝穿将集束电极置入肿瘤内，然后发生射频波，使肿瘤局部产生100-120℃的温度从而毁损肿瘤细胞，术后检测肝功能及AFP，并观察CT/MRI及B超的改变。

Methods Put the needle of clustered electrode into the tumor under the B-ultrasound leading , take place RF wave to result in the death of tumor cells . Changes of live function , AFP , B-ultrasound and CT / MRI phenomena were observed after operation .

射频波治疗前列腺肥大

Radio-frequency wave used to treat the prostate hypertrophy

射频波电流驱动是可以有效地抑制撕裂模不稳定性的方法之一。

Radio frequency ( RF ) wave current drive is one of the main ways for control of tearing mode instability .

RFID系统是一种利用射频电磁波在标签与读卡器之间传输数据的自动识别技术。

RFID is an automatic identification technology , which transfer data between tag and reader in the use of radio frequency electromagnetic waves .

采用声光器件制成的Bragg声光接收机能够在复杂的电磁环境中同时快速检测出多束射频电磁波，在电子战中有很高的应用价值。

The Bragg acousto-optic receiver based on acousto-optic devices can detect the electromagnetic waves of multi frequency rapidly and simultaneously in the complex electromagnetic condition , so it is of high value in electronic warfare .

目的：评估在通话模式期间手机发出的射频电磁波（RF-EMW）对未加工的（纯的）人类精液的影响。

OBJECTIVE : To evaluate effects of cellular phone radiofrequency electromagnetic waves ( RF-EMW ) during talk mode on unprocessed ( neat ) ejaculated human semen .

它利用频率为100KHz～3MHz的射频电磁波在穿透范围内形成温度场分布，从而产生热效应的原理来实现治疗目的。

It uses 100kHz ~ 3MHz electromagnetic wave and forms a loop circuit with a electrode . IN extension of radio frequency field , it forms distribution of temperature and realizes the therapy aim .

本课题研制的拱形法测试系统，主要用于评估射频吸波材料在自由空间的吸波性能，分析测量误差的来源，并根据测试结果来评定吸波材料在1GHz～5GHz频段的应用价值。

The arch test system is mainly used in valuating absorbing performance of RF absorbers in free space . According to test data , we analysis the origin of the measured error , and obtain absorbers , application value from 1 GHz to 5 GHz .

射频吸波材料测试的时域及频域分析

Time-Domain and Frequency-Domain Analysis About Radio Frequency Absorb Material Measuring

射频吸波材料波导测试法装置的仿真分析

Simulation and Analysis of Waveguide Measurement for RF Absorber

射频电磁波有限公式计算技术

Calculation Technology of Finite Formulation on Radio-frequency Electromagnetic Wave

一种新的射频脉冲波随机起伏测量系统的研究

A New System for Measuring the Random Fluctuation of Radar RF Pulse Wave

射频吸波材料特性测量方法的研究

Research On Measurement Of RF Ware Absorb Material Characteristic

射频电磁波生物学效应实验系统的研制

Development of A System for Studying the Biological Effect of Radio Frequency Electromagnetic Field

射频削波语言加工失真的研究

An investigation on the distortion of language processes with r · f · clipping

射频电磁波与环境温度对单个活态红细胞膜力学性质的影响

Effects of radio-frequency electromagnetic wave and environmental temperature on membrane mechanical properties of single living intact human red blood cell

结论：从手机发出的射频电磁波可能导致人类精子的氧化应激性。

CONCLUSION ( S ): Radiofrequency electromagnetic waves emitted from cell phones may lead to oxidative stress in human semen .

卡片通过内置天线接收读卡器发射的射频电磁波，经过整流为卡内芯片提供能量。

The card collects the radio frequency electromagnetic wave from the reader to supply energy to the chip in the card .

为此，我们首先讨论了射频电磁波与飞秒激光诱导产生的等离子体丝的相互作用，并且进行了射频电磁波与飞秒激光等离子体通道相互作用的初步实验。

Therefore , we discussed the interaction of RF electromagnetic wave with femtosecond laser-induced plasma filaments and the preliminary experiments were completed .

在使用矢量网络分析仪对射频吸波材料进行测试的过程中，由于矩形同轴装置阻抗不匹配，将引起不希望有的反射。

In the process of measuring radio frequency absorb material by vector network analyzer , the impedance of rectanglecoaxial measuring device is mismatched and cause redundant reflection .

使用矢量网络分析仪对射频吸波材料低频段吸波性能进行测试的过程中，由于同轴反射计与测试仪器阻抗失配，将引起不希望有的反射。

In the process of measuring absorber radio-frequency performance with vector network analyzer , the impedance of Vertical Low-frequency Coaxial Reflectometer is mismatched with measurement instrumentation and causes unwanted reflection .

由于拱形法简捷、经济，又可以用其他方法加以验证，所以在射频吸波材料测量中得到广泛的应用。

Arch test method is characterized with briefness , economy , it also can be validated by other methods , so , it is widely used in the measurement of RF absorbing materials .

本文对飞秒激光等离子体通道的电磁辐射及等离子体通道对射频电磁波的耦合过程进行了研究。

In the thesis , the electromagnetic radiation from the femtosecond laser filament and the coupling of radio frequency electromagnetic wave to femtosecond laser plasma channel were studied . Firstly , in theory the frequency of the electromagnetic radiation from the plasma channel is below the plasma frequency .

射频段吸波材料的测量方法有多种，如拱形法（>1GHz），时域法（空间驻波法，30MHz～1GHz）等。

There are methods on measuring RF absorber , such as arch test method ( > 1GHz ), time domain method ( 30MHz ~ 1GHz ), and so on .

结论：提示显性旁道射频消融术后T波改变为电张调整性T波改变，非心肌损伤所致。

Conclusion : T wave changes after ablation are most likely caused by electrotonic modulation , and are not a sign of myocardial injury .

因而准确的器件模型对提高射频和微波毫米波电路设计的成功率、缩短电路研制周期是非常重要的。

It is critical of the accurate device models to improve the design of RF and microwave millimeter-wave circuit and shorten the development cycle .