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Diffstat (limited to 'md/writeup/dsp_lp_filter.md')
| -rw-r--r-- | md/writeup/dsp_lp_filter.md | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/md/writeup/dsp_lp_filter.md b/md/writeup/dsp_lp_filter.md index 856c44b..e54b73a 100644 --- a/md/writeup/dsp_lp_filter.md +++ b/md/writeup/dsp_lp_filter.md @@ -17,13 +17,13 @@ If you just use filter as a function then main params is how good are your filte ### Draw first filter characteristics -``` +```matlab fir1([filter order],[cutoff freq]) ``` Draw in Octave simple 40th order filter, as in Octave example -``` +```matlab freqz (fir1 (40, 0.3)); ``` @@ -48,7 +48,7 @@ Let's create some signal from couple of frequencies, like  __Programm__ -``` +```matlab Fs = 2000; t = 0:1/Fs:1-1/Fs; @@ -77,7 +77,7 @@ Lets filter out with cut-off frequency 1000kHz. Should get rid of  -``` +```matlab %filter %sampling frequency Fs = length(x); @@ -222,7 +222,7 @@ int main(int argc, char **argv) ## Using program -``` +```bash ./lpf1 1.0 0.0 0.0 0.0 0.0 -0.004438 -0.004184 0.013018 0.074663 0.172021 ``` |