shortwave radio 释义 短波广播 实用场景例句 全部 Shortwave broadcasting is expensive, and theshortwave radiois on its way out. 国际短波发射过于昂贵, 短波收音机也已式微. 互联网
Shortwave Radio,即短波收音机,是一种能够接收短波无线电信号的电子设备。短波,作为无线电波的一个频段,其波长较短,频率较高,通常在1.6MHz至30MHz之间。这一频段的无线电波因其特殊的传播特性,能够在远距离上进行有效传输,因此短波收音机成为接收全球广播和进行远距离通信的重要工具。 2....
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但不久,hams就发现了真相,并成功的利用小功率发射器实现了世界范围内的通讯。这就是短波通讯(shortwave radio)的由来。 www.cnpaf.net|基于6个网页 2. 短波超再生式接收机 用高频头制作调频接收机---LNB... ...短波超再生式接收机- ---Shortwave radio实用的彩电遥控关机电路- ---Remote Switch ... diagr...
Looking for radio to listen favorite stations.Then we make top 10 best shortwave radio list for you so that you can hear your favorite stations.
shortwave radio,transmissionand reception of information by means ofelectromagneticwaves about 10 to 80 m (33 to 262 feet) in length having frequencies of approximately 29.7 to 3.5 megahertz. During the early 1920s attempts were made to transmitradiosignals over long distances by bouncing them off...
The Definition of a Shortwave Radio Signal Advantages and Disadvantages of Short Waves and SW Radios Shortwave Radio Broadcasters Features You Should Be Looking for When Buying A Shortwave Radio If you are looking for the best shortwave radio for your emergency kit or for any other purpose, our ...
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Because shortwave radio was Jonestown's only effective means of non-postal communication, the Temple felt that the FCC's threats to revoke its operators' licenses threatened Jonestown's existence. 因为这台短波收音机是琼斯镇唯一有效的非邮政通信工具,人民圣殿教认为FCC威胁撤销其操作员执照的行为威胁了...
shortwave radio » radio t3 SW rhythmic来源: Freesound 前往原页面 查看译文 作者: ERH 许可: CC-BY-NC 非商业署名许可协议 描述: Shortwave radio noise. 标签: electronic electro shortwave radio ambience noise atmosphere ——— 类似的声音 ——— remix 2 of 130201 alienxxx telecom21141 by Tim...