33 Why is a linear phase important? 28 What are advantages of having higher sampling rate of a signal? 19 Is a notch filter for 50 Hz without delay possible? 19 How/why are the $\mathcal Z$-transform and unit delays related? 18 Filter Order Rule of Thumb

### Reputation (28,353)

 +10 Is noise figure dependent on input noise power? +10 Applying Nyquist's sampling theorem to a real signal +20 Misunderstanding of Nyquist sampling theorem and minimum sampling rate +10 Complex Filter (Modelling a Channel ) convolved with complex baseband modulation gives error *Plots inside*

### Questions (29)

 22 FIR Filter Design: Window vs Parks McClellan and Least Squares 18 Efficient Magnitude Comparison for Complex Numbers 9 Quantization Noise for Coherent Sampling - Phase Noise? 8 Best Approach to Rank Complex Magnitude Comparision Problem 8 Gaussian FIR filter with no multipliers?

### Tags (285)

 296 filters × 121 166 matlab × 97 295 fft × 164 161 signal-analysis × 89 279 digital-communications × 158 158 fourier-transform × 79 195 discrete-signals × 88 141 noise × 64 175 filter-design × 58 129 phase × 71

### Bookmarks (108)

 51 What Resources Are Recommended for an Introduction to Signal Processing (DSP)? 48 What algorithm does Google use for its "Search By Image" site? 36 Understanding the Matched Filter 35 What is the most lucid, intuitive explanation for the various FTs - CFT, DFT, DTFT and the Fourier Series? 34 What is the advantage of MATLAB's filtfilt