Tuesday, March 31, 2009

Cont: about Digital VS Analog @myanmar engineer forum

« ျပန္စာေရးရန္။ #20 ေရးသားခ်ိန္ ->: March 29, 2009, 08:53:58 PM »
ကိုးကားခ်က္ႏွင့္ ျပန္စာေရးရန္။ကိုးကား ေပးပို ့စာျပင္ဆင္ရန္။ျပင္ဆင္ရန္။ ေပးပို ့စာအား ဖယ္ရွားရန္။ဖယ္ရွားရန္။

ရန္ကုန္ ျပန္ျပီး AD /DA ေတြေျပာင္းေနရလို႕ မေရာက္ျဖစ္တာ ဟဲဟဲ ဟဲဟဲ
Signal နဲ႕System ဆို္ျပီး၂မ်ိဳးရွိေတာ့ Analog & Digital system , analog signal n digital signal ေတြရွိတာေပါ့ (ဒါဆုိရင္ေတာ့ ကၽြန္ေတာ္က digital ဆုိတာ စနစ္တစ္ခုလုိ႔ေျပာလုိ႔မရဘူး.. တစ္ခုနဲ႔ တစ္ခု အျပန္အလွန္တြက္ထုတ္လုိ႔ရတယ္)

Kalam filter @ http://en.wikipedia.org/wiki/Digital_filter
Types of digital filters
Many digital filters are based on the Fast Fourier transform, a mathematical algorithm that quickly extracts the frequency spectrum of a signal, allowing the spectrum to be manipulated (such as to create band-pass filters) before converting the modified spectrum back into a time-series signal.
Another form of a digital filter is that of a state-space model. A well used state-space filter is the Kalman filter published by Rudolf Kalman in 1960.
filter calculation ေတြနဲ႕ကေဝးေနပီ ဟဲဟဲ ဟဲဟဲ
Ko Ant ပဲဆက္ေဆြးေႏြးေပးေပါ့

ခႏၶာရဲ့definition??


ျမန္မာအင္ဂ်င္နီယာေတြကေရွ႕ေရာက္ျပီးသားပါ
regard

pics took at Ygn during March2009