查询词典 radio-frequency

Heinrich Hertz proved the existence of "Hertzian" or "radio" waves, but Marconi applied it to a practical signalling system, so Marconi is generally considered to be the inventor of radio.

海因里希赫兹证明了存在着&赫兹&或&无线电&波，但马可申请到实际的信号系统，所以马通常被认为是发明无线电。

Based on the theory of radio-freqency impendence, the dielectric constant of water is much greater than that of oil, so they show different properties in the respect of radio impedance.

水的介电常数远大于油的介电常数，因而两者呈现不同的射频阻抗是油品含水量测量的理论依据。

Radio broadcasting has a history of more than 80 years since it was firstly born in USA. Broadcasting of the Yan'an Xinhua Radio Station indicated the inchoation of the People's broadcast in P. R. China.

广播由诞生至今已经有80余年的历史，世界上第一座广播电台诞生在美国，1940年延安新华广播电台的开播标志了中国人民广播的发端。

By the China Film Group, Shanghai Media Group, Jiangsu Province, the total radio and television units, Guangdong Southern Media Group Radio, Film and Television, Masanobu荣睿Television Investment Co., Ltd., Beijing Security Co., Ltd. Lihua billion in media culture, days of entertainment media Co., Ltd., all movie Co., Ltd., Beijing security issue Limited利博纳film production investment in large areas of the annual domestic action "under siege in October," April 13 in Shanghai Shanda boot, film director陈德森rate of appearance of the first film starring the five Zhen Dan, Wang Xue Qi, Tony Leung Ka-fai, Fan Bingbing,王柏杰gathered at the stage.

由中国电影集团公司、上海文广新闻传媒集团、江苏省广播电视总台、广东南方广播影视传媒集团、雅信荣睿影视投资有限公司、北京保利华亿传媒文化有限公司、天娱传媒有限公司、人人电影有限公司、北京保利博纳电影发行有限公司联合投资出品的年度国产动作大片《十月围城》4月13日在上海盛大开机，影片导演陈德森率片中首批亮相的五位主演甄子丹、王学圻、梁家辉、范冰冰、王柏杰齐集登台。

"Nonda will not leave the capital, as that just wouldn't be honest," said representative John Dario on Radio Radio.

&农达不会离开罗马，目前的传闻是不真实的。&农达的经纪人在电台说。

Ensemble: Orchestre de Paris; Radio France Philharmonic Orchestra; Saarbrücken Radio Symphony Orchestra Pb *hC

乐团：巴黎管弦乐团，法国电台管弦乐团；萨尔布吕肯广播交响乐团~99DE78

Sabine Meyer has performed with many of the world's leading orchestras including the Berlin Philharmonic, Komische Oper Berlin, Bamberg Symphony, Hamburg Philharmonic, NDR Symphony, London Philharmonic, Orchestre Philharmonique de Radio France, Danish National Radio Symphony, Chicago Symphony, Montreal Symphony and NHK Symphony Orchestra Japan.

萨宾娜·迈耶与许多世界的主要乐团合作演出，包括柏林爱乐乐团、柏林喜歌剧院、班伯格交响乐团、汉堡爱乐乐团、北德广播交响乐团、伦敦爱乐乐团、法国广播爱乐乐团、丹麦国家广播交响乐团、芝加哥交响乐团、蒙特利尔交响乐团和日本放送协会交响乐团。

Some popular TV channels that are available include Taiwan TVBS channel 55, channel 56, ETTV News channel 52, ETTV Drama, CTI TV Entertainment, CTI TV News, CTI TV Comprehensive, Hong Kong TVB-8, TVB Xing He, TVB Jade, Phoenix Chinese Channel, Phoenix Info News Channel, Phoenix Movie Channel, University of Washington TV, BBC News, Channel , MTV, Discovery Channel, Animal Planet, National Geographic Channel, China CCTV-1, CCTV-3, CCTV-4, CCTV-5, CCTV-6, CCTV-7, CCTV-9, al-Jazeera TV, Star World, HKiCSTV, Korea SBS CBJ, KBS 1TV, KBS 2TV, MBC TV, KMTV, TBS TV, WOW TV, Japan LFX TV, POD TV, Chilevision, Localia TV, TN 24 Horas Argentina, Music Plus TV, ESPN, EPSN2, StarSports, Sport TV, TV asturias, Canal Comunidad Valenciana, France 24 EN News, Israel Plus TV, Television de la Frontera, Web Telemadrid Sat, Fashion TV, OnTopTV, ABC News, Russia RTR PLANETA, Nashe Kino, Bloomberg US, CNN+, CNBC, CFN, CN8, EMS Police Channel, Eurosports, WHL Sports, MSNBC, CATV12, SFGTV, Duna TV, WABC.NewsTV, Vietnam HTV7, and a lot more plus radio channel such as CNN Radio.

一些受欢迎的电视频道，也可包括台湾tvbs 55通道，通道56条， ettv新闻频道52 ， ettv戏剧，电视娱乐，城市电讯，城市电讯的电视新闻，电视综合城市电讯，香港无线电视- 8 ，无线电视邢他，无线电视翡翠台，凤凰城中文频道，凤凰资讯，新闻频道，凤凰电影频道，华盛顿大学的电视， BBC新闻频道， MTV的， Discovery频道，动物星球，国家地理频道，中国央视1套，中央电视台- 3 ，中央电视台-4 ，中央电视台- 5 ，中央电视台- 6 ，中央电视台- 7 ，中央电视台- 9 ，半岛电视台的电视，明星世界， hkicstv ，韩国的SBS cbj ， KBS的1tv ， 2tv的KBS ， MBC的电视， kmtv ，东京广播公司电视，哇电视，日本lfx电视，电视柜， chilevision ， localia电视，田纳西州24小时阿根廷，音乐加上电视台， ESPN ， epsn2 ， starsports ，体育，电视，电视阿斯图里亚斯，运河的社区瓦伦西亚，法国24个英文新闻，以色列加上TV ，电视一德拉弗隆特拉，网络telemadrid星期六，时装电视， ontoptv ， ABC新闻，俄罗斯rtr planeta ， nashe电影院，彭博美国，美国有线新闻网+频道， CNBC ， cfn ， cn8 ，环境管理体系警方渠道， eurosports ， whl体育， MSNBC ， catv12 ， sfgtv ， duna电视， wabc 。

German hertz discovered radio wave and after invention of Italian Ma Keni is subsequently radiotelegraphic, radio communication technology passes the development of a many century, fetched spectacular gain.

梗概： 德国人赫兹发现了无线电波以及随后意大利人马可尼发明无线电报之后，无线电通信技术经过一个多世纪的发展，取得了惊人的成果。

This dissertation introduces the history, key technology, current status of nation and internation ,and the importance of MiroSot ; describes function theory and constitutes of MiroSot resumptively firstly ; then introduces machine structure in detail including the characters and choice of electromotor and the design and facture of hull; stresses on control circuit of soccer robot including the choice of control circuit and DSPs, basic circuit of soccer robot and control algorithmic of soccer robot.a new design based on DSPs is made; lucubrate radio communication subsystem including the origin of yawp and controlled method in radio communication finally, and a emitter is made, and hard base has gained to upbuild experiment bed of MAS.

本论文首先简要地介绍了机器人足球比赛的发展历程、所涉及的关键技术和研究意义，概括地描述了MiroSot系统的构成；然后系统地研究了足球机器人机械结构的设计、电动机的选择、壳体的设计等，重点研究了MiroSot足球机器人的控制电路，包括DSPs芯片的选择、足球机器人硬件电路的设计和控制算法的编写，在此基础上研制了基于DSPs的足球机器人；最后深入研究了无线通讯子系统，包括无线通讯干扰噪声的来源及其抑制方法，无线发射器软、硬件的设计和制作，为全面建立多智能体系统实验平台奠定了基础。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。