查询词典 radio frequency

To investigate the clinical efficacy of radio-frequency ablation in the treatment of liver tumor.

探讨经皮射频消融术治疗肝脏肿瘤的临床应用价值。

Radio frequency ablation is a new physical technology in recent ten years.

射频消融技术是最近十几年发展起来的一项新的物理治疗技术。

Big power load mainly is used for absorbing the power of radio frequency and microwave system .lt can also used as a dummy load of antenna and terminator of microwave transmitter.

大功率同轴负载主要用于吸收射频或微波系统的功率，可作为天线的假假负载，发射机的终端。

This paper presents a low voltage, low power RF/analog front-end circuit for passive ultra high frequency radio frequency identification tags.

提出了一种适用于无源超高频射频识别标签的低电压低功耗射频／模拟前端电路。

ST company vice president holds Thierry Tingaud of general manager of rising market district concurrently to count product of electron of word multimedia, car and intelligence to get stuck in cite / wireless radio frequency identifies expresses when example,"In fact, meaning law semiconductor has made the whole world the number one supplier that the biggest machine carries box chip supplier and car on the head to use chip, the biggest supplier of the market of chip of ultrahigh frequency RFID that develops quickly still at the same time."

ST公司副总裁兼新兴市场地域总司理 Thierry Tingaud 在征引数字多媒体、汽车电子产物以及智能卡/无线射频识别的应用实例时暗示，"事实上，意法半导体已经成为寰球第一大机顶盒芯片供给商和车用芯片的头号供给商，同时仍是敏捷成长的超高频 RFID 芯片市场的最大供给商。"

The RF electricity of ice adopts radio frequency technique of the RF dual pole. The frequency can make the water element of the cell which at the certain depth shake at a high speed, it can produce the quantity of heat at 45-60℃ through the quick circumvolved friction. Because the collagen fibre is shrinked, the wrinkle can be tighted. Then the light pyrolysis stimulates collagen and elasticity fibre to become more and arrange once again so as to reach the function of dispelling wrinkle and shrinking pore.

冰电除皱系统采用RF双极射频技术，发射的频率可以在皮下的特定深度内使细胞内的水分子产生高速震动，通过这种高速的旋转摩擦从而产生热量45-60℃，胶原纤维收缩，即刻松弛的皮肤、皱纹被拉紧，随后，真皮层中产生的热效应使胶原增生、重新排列、数量增加，同时修复老化受损的胶原，达到即刻紧肤、长效除皱抗衰老的效果。

Recuring to the assistance from ADS , which is used for radio frequency simulating ,and general circuit simulating software - MULTISUM , several key technoledgeincluding RF signals disposing , local swept oscilating circuit , system control and frequency display etc. were discussed emphatically in the treatise . Not only the relevant theory but also the hardware circuit design were elaborated explicitly .

本文借助于射频模拟仿真软件ADS以及通用电路仿真软件MULTISIM，着重研究了弹道监测接收机的射频调理过程、本振扫频振荡技术、控制和显示技术等几个部分，在充分地探讨了相关理论的基础上，给出了相应的电路硬件设计。

A carrier wave is the radio frequency wave generated at a transmitting station for the purpose of carrying the modulated frequency wave.

载波 载波是传输站为携带调制频率波而生成的一种无线频率波。

This text sets out from kinetics property of the electronics inside the high frequency electromagnetism field,getting the influence of the radio frequency to inner resistance of cavity resonance and the relation with ion energy.

文中从高频电磁场内电子的运动学性质出发，得出射频频率的变化对谐振腔增益管内部阻抗的影响，及其与等离子体能量的关系。

These frequency synthesizers provide the moving of the basic signal generating modules to radio frequency with stable inspiring source.

它是对输出时钟信号的相位噪声特性，杂散抑制特性等要求都很高的一种频率合成器，为基本信号生成模块到射频的搬移提供稳定的激励源。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。