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Category: Miscellaneous

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Experiencing self vs remembering self
March 7, 2022 Miscellaneous

DSP and the Humand Mind

It is relatively straightforward to establish the power and potential of human organs. The results are deterministic and not much

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OFDM subcarriers in frequency domain
December 29, 2020 Miscellaneous / Wireless/SDR

CDMA or OFDM

Reading about interference cancellation techniques today, I recalled an interesting article by Sridhar Vembu titled Two Philosophies in CDMA: A

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February 16, 2021 Miscellaneous

How Errors Lead to New Discoveries

In the book "Where Good Ideas Come From", the author Steven Johnson mentions some stories on how errors lead to

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Plots for positive integer powers of x in 3D
June 26, 2020 DSP / Miscellaneous

A Real-Imaginative Guide to Complex Numbers

June 18, 2020 On a cold morning in August 2015, I narrowly missed a train to my office in Melbourne

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Bandwidth, power and DSP correspond to the traditional trio of raw materials, energy and knowledge
October 21, 2020 DSP / Miscellaneous / Wireless/SDR

Why Building an SDR Requires DSP Expertise

In an introduction to signals, we discussed the idea that the any activities around us, starting from subatomic particles to

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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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