User contributions for Wirbel
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4 January 2015
- 20:2020:20, 4 January 2015 diff hist +10,842 N Dtvtune this is a test page only / digital playground - create a dummy page for a non-existing tool. ;)
1 January 2015
- 16:1816:18, 1 January 2015 diff hist −2 Template:USB Device Data →Twintech-UT-30: remove newline between 'comment=' and its content.
- 15:2415:24, 1 January 2015 diff hist +1,017 Template:USB Device Data →Silicon Labs si2168 devices: add Geniatech T230 to list && link to page.
- 14:3314:33, 1 January 2015 diff hist +1 m Template:USB Device Data vendor to next line.
- 14:3014:30, 1 January 2015 diff hist +1 m Template:USB Device Data vendor into next line.
22 November 2014
- 16:2916:29, 22 November 2014 diff hist −7 Frequency scan →Scan apps that don't require an initial channel file
- 16:2616:26, 22 November 2014 diff hist +28 W scan →Examples
14 July 2014
- 07:5007:50, 14 July 2014 diff hist −7 W scan No edit summary
30 June 2014
- 13:1913:19, 30 June 2014 diff hist −154 W scan No edit summary
28 June 2014
- 16:4516:45, 28 June 2014 diff hist −142 Hauppauge WinTV-HVR-5500 No edit summary
11 March 2014
- 15:2815:28, 11 March 2014 diff hist +869 N Modulation Error Ratio Created page with "The '''Modulation Error Ratio''' describes the quality of an modulated digital signal, and gives a hint how fuzzy symbols in a constellation are. It is defined as the average po..." current
- 09:0509:05, 11 March 2014 diff hist −1 Eb/N0 →Using Eb/N0 in logarithmic scale current
- 09:0509:05, 11 March 2014 diff hist −101 Eb/N0 →Relation to CNR
- 09:0309:03, 11 March 2014 diff hist +1 Eb/N0 →Relation to CNR
- 09:0309:03, 11 March 2014 diff hist +2 Eb/N0 →Relation to CNR
- 09:0309:03, 11 March 2014 diff hist +44 Eb/N0 →Relation to SNR
9 March 2014
- 09:1809:18, 9 March 2014 diff hist +271 Eb/N0 No edit summary
- 09:1109:11, 9 March 2014 diff hist +14 Eb/N0 →Estimated BER vs Eb/N0 for a few modulations
- 09:1109:11, 9 March 2014 diff hist +15 Eb/N0 →Estimated BER vs Eb/N0 for a few modulations
- 09:0809:08, 9 March 2014 diff hist +422 N File:Est BER vs EbN0.png estimated BER vs. Eb/N0 in dB Calculated using formulas: bpsk, qpsk: 0.5erfc(sqrt(Eb/N0)) (M)psk: 1/m erfc(sqrt(m*(Eb/N0) * sin(pi()/pow(2,m))) with M = pow(2,m) (M)QAM: 2/m(1 - (1/sqrt(pow2,m)) * erfc(sqrt( 1.5 * Eb/N0 * m/(pow(2,m)-1))) DBPSK: 0.5e^Eb current