7/30/2019 Ejercicios Comunicaciones: Densidad espectral de energa y potencia

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Uknversnmfm ]ebk`odnbf Kfbn`kfo Hfbuotfm Sedn`kfo Meotf

B`guknbfbn`kes

Ekefs K+ G`reo Ydnkf 6

Yrfbtnbf NNN

Meksnmfm espebtrfo me ekerdf y p`tekbnf+

6+ Refk 69 th t te u t of teksnk s`cre uk resnst`r me 6+f+ Bfobuoe of ekerdf t`tfo mnsnpfmf ek eo resnst`r+

c+ Vue hrfbbnk me ekerdf se ekbuektrf b`kteknmf ek uk fkbj` me cfkmf *pfsfcfafs. me 6 rfms+

b+ Vue hrfbbnk me ekerdf se ekbuektrf b`kteknmf ek uk fkbj` me cfkmf me 3rfms b`k hrebuekbnf bektrfo me = rfms+

3+ Ref h*t./ que tneke ukf meksnmfm espebtrfo me p`tekbnf mfmf p`r R h*w.+

36

3 36

hR w w ww

f+ Buo es of p`tekbnf gemnf t`tfo ek h*t.+c+ Buo es of p`tekbnf gemnf ek h*t. ek uk fkbj` me cfkmf me 9+> f 6+6 rfms+b+ Buo es of p`tekbnf gemnf ek h*t. ek uk fkbj` me cfkmf me 6+> f 3+6 rfms+m+ Metergnke of hukbnk h*t.+

2+ Ref = b`s 39 3 b`s 29h t t t of teksnk f trfvs me ukf resnstekbnf me6+

f+ Metergnke of trfksh`rgfmf me H`urner me h*t. y drfhnque+c+ Metergnke of meksnmfm espebtrfo me p`tekbnf me h*t. y drfhnque+b+ Bfobuoe of p`tekbnf pr`gemn` ek eo m`gnkn` meo tnegp` y ek hrebuekbnf me of

sefo h*t.+

=+ Ukf `kmf bufmrfmf sngtrnbf b`k fgpontum pnb` me 6v y pern`m` ] se fponbf f ofektrfmf me uk fgponhnbfm`r b`k hukbnk me trfksherekbnf j*t./ buy` respuestf

espebtrfo ek g`muo` es+

=6 b`s

3

9

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M`kme L es of dfkfkbnf ek tekbnk meo fgponhnbfm`r+ Rup`kdf que ofs

ngpemfkbnfs me ektrfmf y sfonmf s`k me 6 + Of dfkfkbnf L meo fgponhnbfm`r se

faustf me gfkerf tfo que f of sfonmf meo fgponhnbfm`r sef 6 T+

f+ Metergnke eo vfo`r me L+c+ Bfobuoe of p`tekbnf me sfonmf sn of sefo me ektrfmf se regpofzf p`r ukf `kmf

trnfkduofr sngtrnbf b`k of gnsgf fgpontum pnb` y pern`m` ]6 7 ]+

b+ Sebobfoe pfrf ]6 7 3]+