而调幅广播站发出的电波长达几百米。
An AM station is putting out radio waves that are hundreds of times as long!
因此世界调幅广播业务面临前所未有的挑战。
Consequently, AM radio service is faced with challenge that has never showed up before.
为什么在隧道中调频广播比调幅广播的信号要好一点？
特高压输电线路对调幅广播台站的无源干扰主要是由垂直杆塔引起的。
The passive interference in receiving station of amplitude modulation (AM) broadcasting from UHVAC transmission lines is mainly caused by towers.
该文把此技巧应用到数字调幅广播(DAMB)系统，取得了令人满意的结果。
In this paper, the technique is applied to a digital amplitude modulation broadcasting (DAMB) system with satisfactory results.
和传统广播系统相比，DRM数字广播系统在声音质量上是模拟调幅广播无法比拟的。
The voice quality in the DRM system is much higher than that in the analogue AM broadcasting system because new encoding and decoding technologies are used in the DRM.
DRM组织顺应形势的需要，依据AM广播数字化的思想，制定了数字调幅广播的国际标准。
DRM organizations conform to the needs of the situation, based on digital AM broadcasting ideas, and developed a digital AM broadcasting international standards.
调幅广播可以发送更远的距离，但它的声音质量却不及后来一种被称为频率调制的无线电信号处理方式优越。
AM radio can be sent over larger distances, but the quality of the sound is not as good as a later kind of radio signal processing, called frequency modulation.
调幅是广播无线电节目最古老的方法。
凡世通的声音是第一个商业电台节目，同时进行调幅和调频的广播电台。
The Voice of Firestone was the first commercial radio program to be carried simultaneously on both am and FM radio stations.
凡世通的声音是第一个商业电台节目，同时进行调幅和调频的广播电台。
The Voice of Firestone was the first commercial radio program to be carried simultaneously on both am and FM radio stations.
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