7/30/2019 [Fsica per a multimdia] PAC 4

1/6

G S L C K ^ A T K O Q F ] L O M L K

I H T M L F F H @ C B A S ] A W A

C C D \ / @ C / S K

7/30/2019 [Fsica per a multimdia] PAC 4

2/6

Gslck ~at k oqf}lomlk

^KC =

Ihtml Ffh`cb As}awa CC D\/@C/SK ^e. 4(7

K. SLOQFKCLH@S MA CLTCQL]S AFC]LCS

K;.K ~kt}lt ma }h} af {qa sbk ar~flck} maf gq`clh`koa`} ma ^s~lca&

ch`s}tqq q` cltcql} kod q`k gh`} ma whf}k}ea "WMC, l mqastasls}`clas "t, a` ~ktkffaf. Af whf}k}ea ma fk gh`} ma }a`sl s ma < W.Iqeqaq kod afs wkfhts ma fas tasls}`clas& gl`s k kch`saeqlt {qacltcqfl fk ok}alrk l`}a`sl}k} ~at ckmkscq`k maffas.

K;.; [ql` s af wkfht ma fas tasls}`clas8

]k`} sa wkf af wkfht ma fas tasls}`clas& sao~ta l {qk`} sleql af ok}alr a` ckmkscq`kmaffas.

K;.4 [ql`k s fk l`}a`sl}k} {qa cltcqfk ~at fk gh`} ma }a`sl8 L ~at fasmqas tasls}`clas8

Fk sqok ma fas l`}a`sl}k}s ma ckmk tasls}`clk.

K;.3 [ql`k mlgat`clk ma ~h}a`clkf bl bk kfs ar}taos ma ckmkscq`kma fas tasls}`clas8

Af ok}alr {qa af {qa bl bk k fk gh`} ma }a`sl& < W.

K;.= Ohs}taq q`k ck~}qtk ma ~k`}kffk maf tasqf}k}.

Ktk& kod afs mls~hsl}lqs {qa }a`lq maf cltcql} k`}atlht& ch`s}tqq q`

cltcql} kod q`k gh`} ma }a`sl l fas mqas tasls}`clas a` stla.Ok`}a`lq af whf}k}ea ma fk gh`} ma }a`sl k < W l af ok}alr wkfht ~atfas tasls}`clas.

K;.1. [ql`k s fk l`}a`sl}k} {qa cltcqfk ~at fk gh`} ma }a`sl8 L ~atfas mqas tasls}`clas8

^kssk fk ok}alrk ~at fk gh`} ma }a`sl l ~at fas mqas tasls}`clas. > qK.

K;.7. [ql`k mlgat`clk ma ~h}a`clkf bl bk kfs ar}taos ma ckmkscq`kma fas tasls}`clas8

K fa`}tkmk ma fk ~tloatk < W l k fa`}tkmk ma fk saeh`k& =&1 W.

7/30/2019 [Fsica per a multimdia] PAC 4

3/6

Gslck ~at k oqf}lomlk

^KC =

Ihtml Ffh`cb As}awa CC D\/@C/SK ^e. 3(7

K;.5. Ohs}taq q`k ck~}qtk ma ~k`}kffk maf tasqf}k}

K;.2. K ~kt}lt mafs tasqf}k}s hd}l`eq}s& k`kfl}yaq fas cktkc}ats}l{qasma fk mlgat`clk ma ~h}a`clkf l fk l`}a`sl}k} {qa cltcqfk ~at ckmktasls}`clk saeh`s sl as}k` a` stla h a` ~ktkffaf.

A` q` cltcql} a` stla& fk l`}a`sl}k} {qa cltcqfk ~at k ckmk tasls}`clk s fk ok}alrk lfk mlgat`clk ma ~h}a`clkf maf cltcql} s fa{qlwkfa`} ma fk sqok mafs whf}k}eas ma

ckmk tasls}`clk. A` q` cltcql} a` ~ktkfaf& af whf}k}ea a` ckmk cho~h`a`} s afok}alr l fk l`}a`sl}k} }h}kf s fk sqok ma fas l`}a`sl}k}s ma ckmk cho~h`a`}.

K4. Ch`s}tqq q` cltcql} kod q`k gh`} ma }a`sl l }tas tasls}`clas&}kf l cho as ohs}tk k fk gleqtk 2. K ~kt}lt maf {qa sbk wls} k faratclcl

k`}atlht& gaq q`k sloqfkcl ~at }thdkt af wkfht {qa bk` ma }a`lt fas}tas tasls}`clas.

7/30/2019 [Fsica per a multimdia] PAC 4

4/6

Gslck ~at k oqf}lomlk

^KC =

Ihtml Ffh`cb As}awa CC D\/@C/SK ^e. =(7

D. SLOQFKCLH@S MAF SLS]AOK ^]LC M Q@KCOATK MA GH]HS .

D;. A` k{qas} k~kt}k} takfl}yktao faratclcl ; ma fk ^KC3 ma ghtok~tc}lck& ~at{q ~qeqaq cho~thwkt af tasqf}k} {qa wtao hd}a`lt.^at k fk takfl}ykcl mk{qas} k~kt}k} q}lfl}yktao q` k~~fa} m~}lckmls~h`ldfa k fk uad mAmqck~fqs. K{qas} k~~fa} ~atoa} }tadkffktkod oltkffs c`ckqs l ch`warhs. Ga`} wktlkt afs wkfhts ma fk~~fa}as

~hma` hd}a`lt fas cktkc}ats}l{qas maf oltkff& cho fk mls}`clk ghckfh skdat k {ql`k mls}`clk as ghtokt q`k lok}ea.

Fhdiac}a ; as }thdk k q`k mls}`clk ma >&3 o mq` oltkff ma 1> co maghckf. Fhdiac}a 4 as }thdk k >&5 o maf oltkff& }kf cho as waq k fk

gleqtk ;. Fas mls}`clas ck~ k fk mta}k mas maf oltkff s` ~hsl}lwas lck~ k fas{qattk s` `aek}lwas. K {ql`k mls}`clk maf oltkff as

ghtokt fk lok}ea ma fhdiac}a ;8 L fk lok}ea ma fhdiac}a 48

Mas~ts ma gat oqf}l}qm ml`}a`}s& fk~~fa} bk gq`clh`k} ma ok`atk sqglcla`} ~at k

gat k{qas}k sloqfkcl& ma }h}k ok`atk& fas lok}eas tasqf}k`}s s` }k` as}ta}as {qa`h sk~taclk eklta d af tasqf}k} gl`kf.

Hdiac}a ;

Hdiac}a 4

7/30/2019 [Fsica per a multimdia] PAC 4

5/6

Gslck ~at k oqf}lomlk

^KC =

Ihtml Ffh`cb As}awa CC D\/@C/SK ^e. 1(7

D4.;. Kod {ql`as fa`}s as ~h} ghtokt q`k lok}ea `}lmk l kod{ql`as `h8 ]l`eqaq a` cho~}a fas cktkc}ats}l{qas ma fk coatkgh}hetglck. Iqs}lgl{qaq fas tas~hs}as.

Kod fas fa`}s ch`watea`}s as ~h} ghtokt q`k lok}ea `}lmk& oa`}ta {qa kod fasmlwatea`}s `h. Klr s klr ~at{q af sa`sht as} sl}qk} mkttata fhdiac}lq l af ~fkghckf mq`k fa`} ch`watea`} }kod sa sl}qk mkttata fk fa`}. Mkf}tk dk`mk& af ~fk

ghckf ma fas fa`}s mlwatea`}s as} mkwk`} ma fk fa`}& klr {qa afs tkihs ma ffqo oklkttlda` kf sa`sht.

D4.4. Mas~ts ma gat k{qas}as ~thwas& ar~fl{qaq {q bk ma ~ksskt~at{q as ghtol fk lok}ea `}lmk a` q`k coatk gh}hetglck8 K h`sbk ma ghtokt fk lok}ea ma fhdiac}a8

Fk `l}lmask wa ma}atol`kmk ~af ~fk ma fk lok}ea& af ~fk shdta af {qkf as ch`ca`}ta`afs tkihs {qa bk` }tkwassk} f~}lck l h` as ghtok fk lok}ea ma fhdiac}a. ^at{q fklok}ea ma fhdiac}a sleql `}lmk& af ~fk ma fk lok}ea bk ma chl`clmlt kod fk ~hslcl

maf sa`sht. Klr skch`saeqalr tagtkc}k`} afs tkihs kod fk fa`} "h ch`iq`} ma fa`}s,.

7/30/2019 [Fsica per a multimdia] PAC 4

6/6

Gslck ~at k oqf}lomlk

^KC =

Ihtml Ffh`cb As}awa CC D\/@C/SK ^e. 7(7

C. SLOQFKCL MA CTTAEQASAFAC]THS]]L[QAS

C;. Mleqaq a` {ql`k mltaccl wk` fas f`las ma ghtk a` fk cttaek~hsl}lwk l a` fk cttaek `aek}lwk maf ml~hf.

Fas f`las ma ghtk maf cko~ afc}tlc l`ml{qa` fk mltaccl {qa saeqltlk q`k cttaek~hsl}lwk sl}qkmk a` af sl mk{qas} cko~ afc}tlc. K{qas}as f`las `alra` k fk cttaek~hsl}lwk l ohta` k fk `aek}lwk.

C4. K }tkws ma fk~~fa}& maohs}taq af {qa as mlq k fk~kt}k} ;.;.;. maf

omqf 19 Fas cttaeqas maf ok}alr sle`a as ta~affalra` l fas masle`a ch`}tktl sk}tkqa`. Cho as waq klr a` fk~~fa} q}lfl}yk`} q`

ml~hf8 Ohs}taq fas ck~}qtas ma ~k`}kffk l ar~fl{qaq {q ~kssk.

Sl ctaao mqas cttaeqas afc}tl{qas lm`}l{qas& ~at ma sle`a ch`}tktl& walao {qafas sawas f`las ma ghtk wk` ma fk ~hsl}lwk k fk `aek}lwk& ma }kf ok`atk {qa as ~h}ch`s}k}kt q`k k}tkccl a`}ta affas.

A` ck`wl& sl ctaao mqas cttaeqas arkc}koa`} lm`}l{qas "kod af ok}alr sle`a,&walao {qa fas sawas f`las ma ghtk `h as }h{qa` okl& fk {qkf chsk sle`lglck {qa `harls}alr k}tkccl a`}ta affas.