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A complex number with its I and Q components
July 4, 2016 DSP

Dealing with Complex Numbers

Although complex notation is not complex to understand, I attempt to avoid complex notation altogether while writing DSP articles. If

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Minimum distance rule based detector decisions in a QPSK constellation in the presence of a carrier frequency offset
June 6, 2016 DSP / Wireless/SDR

How a Frequency Locked Loop (FLL) Works

We saw before how a carrier frequency offset distorts the received signal. Later, we also described the classification of frequency

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Wireless Communications from the Ground Up - An SDR Perspective
Learn about wireless communications and SDR and 5G Physical Layer through great visualizations, simple maths and intuitive explanations
A wireless channel with speakers and microphone
Send and receive wireless signals over the air without expensive SDR hardware through a speaker (Tx) and a microphone (Rx)

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