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Page 1: Continuous Signal - SIGNAL AND SYSTEM

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SINYAL DISKRIT

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Sinyal Kontinyu (C-T)SINUSOID:

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Sifat-Sifat Sinyal Kontinyu

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Sifat-sifat sinyal kontinyu juga berlaku pad sinyal komplek

Sifat-Sifat Sinyal Kontinyu

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SINUSOID:

Dengan n adalah indeks sampel

(Radian/indeks sampel)

Sinyal Diskrit (D-T)

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Contoh Sinyal Diskrit

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Sifat-Sifat Sinyal Diskrit

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Frekuensi berbeda dila pada daerah :

Diluar daerah itu terjadi ALIASING

Sifat-Sifat Sinyal Diskrit

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Sifat-Sifat Sinyal Diskrit

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Konversi Sinyal

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Analog to Digital Converter (ADC)

Sinyal kontinyu

Sinyal diskrit hasil dari sampler

Sinyal yang dikuantisasi bernilai digital

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SamplingProses yang terjadi diblok sampler :

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Diagram Blok C-T dan D-T Hasil Sampling

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Contoh ADC

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Contoh Sampling

SOLUSI :

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Aliasing

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Contoh AliasingContoh 1:

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Contoh AliasingContoh 2:

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Contoh Aliasing

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Teorema Sampling, Nyquist Rate

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Contoh Nyquist Rate

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Contoh Nyquist Rate

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Kuantisasi

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Pembatasan Nilai Sampel

TRUNKSI :

PEMBULATAN :

kesalahan besar

Pembatasan kesalahan error

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Dynamic Range

Dynamic Range = (max x(n)-min x(n))

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Contoh Kuantisasi

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Rentang Dinamis : 0.4-0.14 = 0.36

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Energi Sinyal

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Contoh

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Contoh

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