AMラジオ番組をFM放送波を使って流す取り組みが全国的に進んでおり、聴きやすさだけでなく、災害時に有効な点にも注目が集まっています。 何より、AM放送ファンにとってうれしい点は、クリアな音質でラジオを楽しめるようになること。 「FM補完中継局 ...

Modulation can be defined as the process by which the characteristics of carrier wave are varied in accordance with the modulating wave (signal). Modulation is performed in a transmitter by a circuit ...

A new modulation technique for AM broadcasting was demonstrated by industry pioneer Mike Dorrough at a recent meeting of SBE Chapter 43 in Sacramento. The Advanced Modulation System offers to increase ...

This framework enables quantitative predictions about how cellular systems convert frequency-encoded signals into precise ...

私たちは何も気にせず無線通信を使っていますよね。 最近はWiFiやBluetoothなどが身近なところにありますが、一昔前からラジオ放送が一般的だったように現代の生活には無線通信が欠かせないものになっています。 有線通信のように何かしら物理的な線が ...

Harris has developed its first AM transmitter specifically for HD Radio at lower power levels. Ky Luu spoke about advanced pulse duration modulation during the Broadcast Engineering session titled, ...

The total power content of an AM signal is 1000 W. Determine the power being transmitted at the carrier frequency and at each of the sidebands when the percent modulation is 100%. The total power ...

Who says AM radio is passé? Inovonics has sped up its market launch of its new 526 AM Modulation Monitor, and shipping has now commenced. Inovonics was expected to begin shipping the 526 in May. Gary ...