Satellite & Cable TV
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چکیده
We are all familiar with the common Analog modulation techniques of Amplitude Modulation (AM) and Frequency Modulation (FM). It may come as a surprise for us to realise that the first modulation of electrical signals was really digital modulation. Samuel Morse invented the Morse Code where every English alphabet and number was coded as a sequence of a dot (.) and a dash (-). This is similar to translating each character of the English alphabet into either a zero (0) or a one (1), of the digital code as we know it today.
منابع مشابه
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تاریخ انتشار 2007