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Tag: FIR Filter

Time and frequency response of a lowpass FIR filter designed with Parks-McClellan algorithm for N=33
August 30, 2016 DSP

Finite Impulse Response (FIR) Filters

We learned in the concept of frequency that most signals of practical interest can be considered as a sum of

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A rectangular signal and its upsampled version in time and frequency domains
August 3, 2016 DSP

Sample Rate Conversion

In the discussion on sampling, the process of sampling a continuous-time signal was discussed in detail and subsequently sampling theorem

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A channel with 8 taps demonstrating the main cursor, precursor ISI and postcursor ISI
January 31, 2022 Wireless/SDR

How Decision Feedback Equalizers (DFE) Work

We started the classification of equalization algorithms by introducing the need for equalization in wireless communication systems. We said that

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Frequency domain beamforming implements a procedure for broadband signals that resembles the conventional narrowband beamformers
November 15, 2021 Wireless/SDR

Beamforming for Broadband Signals

Recall that classical or physical beamforming is based on calculating the differences in wave arrival times of a signal between

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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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