Math Problem Statement

Ako je amplituda odmerka govornog signala 4.9 mV, odrediti njegovu 12-bitnu repezentaciju, ako je amplitudski opseg vrednosti kvantizera za obradu signala [-12 mV, 12 mV]. Dobijenu 12-bitnu reč digitalno komprimovati, a zatim je ponovo ekspandovati.Kolika je bitska greška u datom postupku? Kolika je relativna greška u procesu rekonstrukcije aplitudske vrednosti mereno u procentima. Vreme izrade kolokvijuma je 60 minuta maksimalno.

Solution

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Math Problem Analysis

Mathematical Concepts

Quantization
Digital Signal Processing
Binary Representation
Compression and Expansion
Error Calculation

Formulas

Quantization step size q = (V_max - V_min) / 2^n
Index = (Amplitude - V_min) / q
Binary Representation: Decimal to Binary conversion
Relative Error = (Quantization Error / Actual Amplitude) * 100%

Theorems

Quantization Theory
Error Propagation in Digital Systems

Suitable Grade Level

Undergraduate (Electrical Engineering/Computer Science)