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- amateur radio band 业余无线电频段
- The dawn of amateur radio in the U.K. 收音机雏形的诞生。
- A licensed amateur radio operator. 火腿族有许可证的业余无线电的爱好者
- Most amateur radio operators build their own equipment. 大多数无线电业余爱好者都是自己装机子。
- Promote Amateur Radio Communication, enhance skills and technology. 推广业馀无线电通讯,提高操作技巧及技术水平。
- What is BPL, and why is it a possible threat to Amateur Radio? 什么是BPL,为什么它可能会影响到业余无线通信?
- You can even operate Amateur radio while receiving FM broadcasts! 也可以在操作业余电台之余守听FM广播。
- Low power amateur radio transceiver is in urgent need to radio amateur. 低功率业余无线电收发信机是业余无线电爱好者们急需的低功率通信设备。
- More than 355,200 Americans hold licenses as amateur radio operators. 355200名美国人持有业余无线电台工作执照。
- RDS FM technology is the use of multiple techniques, in the FM radio band surplus created a sub-carrier channel. for the transmission of data information. RDS技术是利用调频多工技术,在调频广播的富余频带内增设一个副载波信道,用以传送数据信息。
- As they were both amateur radio enthusiasts,they were able to keep in daily touch (with each other) over the air. 因为他们两个都是无线电的业余爱好者,所以每天都能通过无线电波与对方保持联系。
- The new operator will have the radio band to provide wireless broadband access services, and the Oman Telecommunications Company has not yet launched the service. 新运营商将获得无线电波段,可以提供无线宽带接入服务,而阿曼电信公司目前尚未开通此项服务。
- As they were both amateur radio enthusiasts they were able to keep in daily touch(with each other) over the air. 因为他们两个都是无线电的业余爱好者,所以每天都能通过无线电波与对方保持联系。
- A balun tutorial discussing a number of aspects of the design and construction of baluns for the amateur radio design or your next electronic project. 平衡-不平衡变压器讲解谈论一定数量的平衡-不平衡变压器的设计和建筑的方面为非职业无线电设计或您的下个电子项目。
- As they were both amateur radio enthusiasts they were able to keep in daily touch (with each other) over the air. 因为他们两个都是无线电的业余爱好者,所以每天都能通过无线电波与对方保持联系。
- The purpose of this project is to develop amateur radio logging software for Linux that is better than the currently available Windows packages. 这个项目的目的将开发非职业收音机记录的软件为好的Linux比现在可以得到的视窗程序包。
- When Zettl noticed that some of these frequencies included those in the commercial radio band, the idea of using the cantilevered nanotube to make a radio became virtually irresistible. 塞特尔注意到某些频率和商业广播频带的频率相同时,使用悬臂梁奈米碳管制作收音机的构想便在他脑海中盘旋不去。
- The JOTA is an annual event in which Scouts and Guides all over the world speak to each other by means of amateur radio contacts. JOTA是每年都会举行的常态行活动,而JOTA的活动使的世界的童军夥伙(即童子军和女童军)可以藉由业馀无线电设备而与其他的童军夥伙做一个空中的通联。
- The magnetic loop antenna is an old antenna, however, many military, commercial, and amateur radio operators still use them today. 磁性环形天线是老天线,然而,许多军事,商业,和非职业报务员今天仍然使用他们。
- The CRSA is very active in promoting Amateur Radio within China.They maintain stations at various locations for their members to use. CRSA在开展中国的业余无线电活动方面非常积极,它拥有很多地方的机站供自己的成员使用。