
shoonya paar karna

shoonya-paar ack aisaa bindu haye jahan ganitiya falan kaa sanket badal jaataa haye (ee.jee. dhanaatmak seey rinaatmak), falan key graph mein aksh (shoonya moolya) key avarodhan dwara darshaaya gayaa haye. yeh electronics, ganit, dhwaniki aur chhavi prasanskaran mein aamtaur parr upayog kiya jaane vaalaa shabd haye.
electronics mein.
vaikalpik dhaara mein, shoonya-paar vaha tatkalik bindu haye jiss parr koee voltage maujood naheen haye. ack saain tarang yaa anya saral tarang mein, yeh aamtaur parr pratyek chakr key dauran dou baar hotaa haye. yeh usa bindu kaa pataa lagaane key liye ack upkaran haye jahan voltage kissy bhee disha mein shoonya koo paar kartaa haye.
shoonya-paar karna una pranaliyon key liye mahatvapurna haye joe assie circuit parr digital detta bhejate hain, jaise kii modem, aiks10 home automation controll system, aur lionel aur anya assie model trains key liye digital kamaand controll type system.
shoonya-paar kii ginati bhee bhaashan kii maulik aavritti kaa anuman lagaane key liye bhaashan prasanskaran mein upayog kii jaane vaali ack vidhi haye.
ack aisee pranali mein jahaan digital roop seey niyantrit laabh key saath ack pravardhak koo ack input sanket parr lagu kiya jaataa haye, gair-shoonya output sanket mein kalaakritiyaan taba hoti hain jaba pravardhak kaa laabh achaanak isaki asatat laabh settings key beach badal jaataa haye. audio aavrittiyon parr, jaise kii digital audio player jaise aadhunik upabhokta electronics mein, yeye prabhaav spasht roop seey sunai dete hain, jisake parinamswarup laabh koo teji seey badhaate samay 'zipping' dhwani hoti haye yaa jaba ekal laabh parivartan kiya jaataa haye tou ack soft 'click' hotaa haye. kalaakritiyaan pareshan karane vaali hain aur spasht roop seey vaanchhaniya naheen hain. yadi parivartan kewal input sanket key shoonya-paar parr kiye jaate hain, tou koee fark naheen padata kii emplifier genn setting kaise badalati haye, output bhee shoonya parr rahata haye, jisase parivartan cumm hotaa haye. (laabh mein tatkaal parivartan abhee bhee vikriti paida karega, lekin yeh ack click kaa utpaadan naheen karega.)
yadi vidyut shakti koo badalana haye, tou koee vidyut hastakshep utpann naheen hotaa haye yadi koee vidyut pravaah naheen honey parr ack pull mein switch kiya jaataa haye-ack shoonya paar. praarambhik prakaash mund aur isi tarah key upkaranon ney hastakshep utpann kiya; baad key sanskaranon koo shoonya paar karane parr switch karane key liye design kiya gayaa thaa.
chhavi prasanskaran mein.
digital chhavi prasanskaran key kshetra mein, una prachaalak parr bahut jore diyaa jaataa haye joe ack chhavi key bheetar kinaaron kii talash karate hain. inhen 'aij detection' yaa 'gradient filter' kahaa jaataa haye. ack dhaal filter ack filter haye joe pixel moolya mein teji seey parivartan key kshetron kii talash kartaa haye. yeye bindu aamtaur parr ack kinare yaa seema koo chihnit karate hain. ack lapless filter ack filter haye joe iss parivaar mein fitt baithata haye, halanki yeh kaary key baare mein ack alag tareeke seey sett kartaa haye. yeh sanket dhaara mein binduon kii talash kartaa haye jahaan ack chhavi kaa digital sanket ack poorv-nirdhaarit '0' moolya seey gujarta haye, aur ise ack sambhaavit kinare key bindu key roop mein chihnit kartaa haye. kyonki sanket shoonya key bindu seey hocker gujar chuka haye, ise shoonya-paar karna kahaa jaataa haye. jaava mein srot sahit ack udaaharan yahaan paaya jaa sakata haye.
audyogik vikiran vigyaan key kshetra mein, iska upayog sambhaavit doshon key vibhajan key liye ack saral vidhi key roop mein kiya jaataa haye.

