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18 Questions

Views Newest Activity Votes

votes

answers

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Bandlimiting and OFDM spectrum - what is considered “bandlimited”?

Aug 18 '18 at 5:54 hotpaw2 26.4k

votes

answers

104

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Why is channel estimation done after synchronization and why does it work?

discrete-signals digital-communications software-defined-radio

Aug 5 '18 at 20:19 FourierFlux 69

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answer

views

Equivalence of Maximum Likelihood (ML) and Discrete Fourier Transfrom (DFT) Peak Finding for Single Tone Estimation

fft discrete-signals estimation least-squares maximum-likelihood-estimation

Jun 27 at 9:50 Royi 7,810

vote

answer

views

Symbol Timing recovery for modulation producing ISI

discrete-signals digital-communications estimation symbol-timing

Apr 16 at 0:02 Community♦ 1

vote

answers

views

Band Edge Filters

discrete-signals digital-communications digital-filters

Feb 8 at 0:52 FourierFlux 69

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answer

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Where in the signal chain is Channel Equalization applied?

discrete-signals digital-communications signal-detection equalization multipath

Nov 7 at 17:26 Ill-Conditioned Matrix 441

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answers

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How general are adaptive-filtering techniques? [closed]

discrete-signals digital-communications adaptive-filters control-systems adaptive-algorithms

Oct 3 at 22:56 FourierFlux 69

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answers

208

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Carrier Frequency Offset, Rotating Constellation and Correlator

discrete-signals digital-communications frequency matched-filter constellation-diagram

Sep 4 at 19:23 Jim Clay 10.7k

vote

answers

202

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Software PLL tracking of carrier frequency in bandlimited transmission

discrete-signals digital-communications pll

Aug 18 '18 at 1:03 Dan Boschen 10.5k

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answers

204

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Confused on application of Anti-Aliasing Filter

filters sampling reconstruction anti-aliasing-filter

Apr 17 '18 at 7:39 Olli Niemitalo 9,048

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answer

views

ADC and Matched Filtering

discrete-signals digital-communications matched-filter stochastic

May 22 at 9:01 Community♦ 1

votes

answer

views

Matlab FFT not producing symmetric spectrum

fft discrete-signals fourier-transform dtft

May 13 at 21:02 Community♦ 1

votes

answers

views

PLL carrier recovery: intermediate versus baseband

discrete-signals digital-communications pll

Apr 19 at 12:58 Marcus Müller 12.8k

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answers

views

IFFT, negative frequencies and noncausal impulse

fft discrete-signals ifft digital-filters dtft

Apr 17 at 23:55 FourierFlux 69

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answers

views

Training Fractionally Spaced Channel Estimator and Equalizer

digital-communications estimation digital equalization

Feb 25 at 19:49 FourierFlux 69

votes

answers

113

views

Demodulation in Rayleigh Flat Fading Channels

signal-analysis digital-communications demodulation fading-channel

Jan 18 at 8:01 Community♦ 1

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answer

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Confussion on roll-off factor, sampling time and Raised Cosine pulses.

discrete-signals digital-communications symbol-timing

Nov 10 at 21:26 MBaz 9,285

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answers

231

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Applications of Power Spectral Density [closed]

fourier-transform power-spectral-density random-process stochastic

Mar 20 '18 at 5:42 robert bristow-johnson 11.8k

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18 Questions

Bandlimiting and OFDM spectrum - what is considered “bandlimited”?

Why is channel estimation done after synchronization and why does it work?

Equivalence of Maximum Likelihood (ML) and Discrete Fourier Transfrom (DFT) Peak Finding for Single Tone Estimation

Symbol Timing recovery for modulation producing ISI

Band Edge Filters

Where in the signal chain is Channel Equalization applied?

How general are adaptive-filtering techniques? [closed]

Carrier Frequency Offset, Rotating Constellation and Correlator

Software PLL tracking of carrier frequency in bandlimited transmission

Confused on application of Anti-Aliasing Filter

ADC and Matched Filtering

Matlab FFT not producing symmetric spectrum

PLL carrier recovery: intermediate versus baseband

IFFT, negative frequencies and noncausal impulse

Training Fractionally Spaced Channel Estimator and Equalizer

Demodulation in Rayleigh Flat Fading Channels

Confussion on roll-off factor, sampling time and Raised Cosine pulses.

Applications of Power Spectral Density [closed]