Difference between revisions of "Scilab/C4/Digital-Signal-Processing/Khasi"
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Latest revision as of 15:54, 5 April 2019
| Time | Narration |
| 00:01 | Paralok, ngi pdiangsngewbha ia phi sha ka spoken tutorial halor ka “Signal Processing using Scilab” |
| 00:07 | Ha kane ka jinghikai, da kaba pyndonkam ia ka Scilab, ngan pyni ia phi kumno ban Generate ia ki signals ba bun jait bad leh ia ki operations bapher bapher ban peit thuh ia ki signals. |
| 00:19 | Ban record ia kane ka jinghikai, nga pyndonkam da ka Ubuntu 11.04 kum ka operating system ryngkat bad ka Scilab 5.3.3 version |
| 00:30 | Shwa ban pyrshang ia kane ka jinghikai, u ne ka nongpule kidei ban don ia ki jingtip ba donkam jong ka Scilab. |
| 00:35 | Ban tip shaphang ki jingtip ba donkam jong ka Scilab, sngewbha peit ia ka series jong ki bynta ba donkam jong ki spoken tutorials ha Scilab. |
| 00:42 | Kaba don ha ka website jong ngi www.spoken-tutorial.org |
| 00:45 | Ha kane ka jinghikai, ngan batai shaphang ki 3 tylli ki signals ba donkam. Plotting continuous and discrete sine wave. Plotting step function. Plotting ramp function. |
| 00:58 | To ngan sdang da ka “Plotting continuous and discrete sine wave” |
| 01:02 | To ngan phai sha ka Scilab Console Window. |
| 01:06 | Hangne type: t equal to zero colon zero point one colon two multiplied by precentage pi semicolon. |
| 01:17 | Nangta x equal to sin of t semicolon then plot 2D into bracket t comma x bad shon Enter key ha ka keyboard jong phi. |
| 01:33 | Kane kadei ka continous sine wave |
| 01:36 | Ngin ia batai ia ka discrete sine wave. |
| 01:39 | Ha ka console window type: plot two d3 within bracket invertes comma gnn comma t comma x bad shon Enter. |
| 01:54 | Kane kadei ka discrete sine wave. |
| 01:57 | To ngan batai shaphang ka Plotting step function bad plotting ramp function. |
| 02:04 | Nga la thoh lypa ia u code ban generate ia ka step bad ramp signal ha ka file ba kyrtengsignals.sce. |
| 02:14 | To ngan plie ia kane ka filesignal.sce da kaba pyndonkam scilab editor. To ngan execute ia une u code. Nion “Execute” button ha ka Menu Bar. |
| 02:27 | Step bad Ramp signal la pyni ha ka plot. |
| 02:32 | Mynta to ngin pule kumno ban leh ia ki operations bapher bapher ban peit thuh ia ki signals. To ngin peit kumno ban leh ia ka Convolution hapdeng artylli ki signals. |
| 02:43 | To ngin phai sha ka Scilab Console window bad typex equals to within square bracket one comma two comma three comma four |
| 02:55 | Nangta type h equals to within square bracket one comma one comma one |
| 03:04 | Mynta to ngin apply ia ka convolution da kaba type convol opening bracket x comma h closing bracket bad shon Enter ha ka keyboard jong phi. |
| 03:17 | Bad ka output lah ban iohi hangne. |
| 03:20 | Mynta to ngin ia pule Discrete fourier transform na ka bynta ka discrete sequence da kaba pyndonkam ia ka inbuilt command dft(). |
| 03:30 | Ha ka console window hangne type x equals to within square bracket one comma two comma three comma four |
| 03:41 | Nangta type within square bracket xf equals to dft into bracket x comma minus 1 ha kaba x udei u input vector bad flag value -1 na bynta DFT. |
| 03:59 | To ngin shon Enter. |
| 04:01 | Ka output ka paw kum kane
10. - 2. + 2.i - 2. - 9.797D-16i - 2. - 2.i |
| 04:05 | Mynta ngan pyni kumno ban calculate ia ka inverse discrete fourier transform. Ia kane lah ban leh da kaba pyndonkam ia kajuh ka inbuilt command dft(). |
| 04:15 | Ha ka Scilab console window type: squareBracket x equals to dft within bracket xf comma 1 hangne u flag value udei 1 na bynta idft. |
| 04:31 | Kane kadei ka output
+ 5.551D-17i - 1.225D-16i - 5.551D-16i |
| 04:34 | To ngin calculate ia ka discrete fourier transform using fft() |
| 04:39 | Ha ka console window , type x= square [1,2,3,4]x equals to square bracket one comma two comma three comma four |
| 04:49 | Nion Enter bad type y = fft(x,-1) y equals to fft hapoh bracket x comma minus one |
| 04:59 | shon Enter bad phin iohi ia ka output kum kine :-10. - 2. + 2.i - 2. - 2. - 2.i |
| 05:05 | To mynta ngin peit kumno ban calculate ia ka inverse discrete fourier transform da kaba pyndonkam fft(). |
| 05:12 | Ha ka Scilab console window type y equals to within square bracket ten comma minus two plus two into percentage i comma minus two comma minus two minus two into percentage i. |
| 05:33 | Bad nion EnterType x fft(y,1) x equals to fft hapoh bracket y comma 1 bad shon Enter |
| 05:45 | Ka output kan paw kum kane x =1. 2. 3. 4. |
| 05:49 | To ngin wad ia ka correlation hapdeng artylli ki vectors. |
| 05:53 | Ban leh ia kane ha ka Scilab console window, |
| 05:56 | Type x equals to within square bracket one comma two comma three comma four bad shon Enter |
| 06:08 | Type x2 equals to within square bracket one comma three comma one comma five bad shon Enter |
| 06:20 | Type R x x two equals to corr within bracket x comma x two comma four bad shon Enter |
| 06:34 | Ka output ka paw kum kane |
| 06:38 | To ngin pule kumno ban sample ia ka signal ba la ai. |
| 06:42 | To ngan plie ia ka sampling.sce ha kaba nga la thoh lypa ia u code ha ka sampling.sce . Hangne nion ha u “Execute”button. |
| 06:52 | Ka plot la pyni. |
| 06:56 | To ngin batai kyllum. |
| 06:58 | Ha kane ka jinghikai ngi la pule kumno ban Plot sine,step bad ramp signal. |
| 07:04 | Ban leh Linear convolution da ka convol(). Ban leh ia ka DFT bad IDFT da ka dft(). |
| 07:12 | Ban leh ia ka FFT da ka fft(). Ban wad ia ka Correlation da ka corr(). Ban leh sampling. |
| 07:20 | Peit ia ka video kaba don ha kane ka URL http://spoken-tutorial.org/What is a Spoken Tutorial |
| 07:23 | Ka batai kyllum ia ka Spoken Tutorial project. Lada phim don ia ka bandwidth babiang phi lah ban download bad peit ia ka. |
| 07:30 | Ka kynhun jong ka Spoken Tutorial ka pynlong ia ki workshops da kaba pyndonkam da ki spoken tutorials. Ka ai certificates sha kito kiba pass ha ka online test. Sngewbha contact ia ngi ha contact@spoken-tutorial.org |
| 07:42 | Spoken Tutorial Project kadei shibynta jong ka Talk to a Teacher project. La kyrshan ia ka da ka National Mission on Education lyngba ka ICT, MHRD, Sorkar India |
| 07:51 | Ia kane ka script la pynkylla sha ka ktien Khasi da i Meboreen na Shillong. Khublei shibun ia ka jingsnohkti lang jong phi. |
