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Impulse Radar Technology - Lund Circuit Design Workshop

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WHERE DID THE SPARK GO?<br />

Dominant in these early days<br />

Transatlantic telegraph (Morse)<br />

Hard to share<br />

Significant ifi interference<br />

Carrier based radio (1910)<br />

Coding on top of narrowband carrier<br />

Sharing by coordinating carrier frequencies<br />

Still the way radio works<br />

Time<br />

Frequency

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