BPSK सिग्नल की बैंडविड्थ B और M-ary PSK सिग्नल की बैंडविड्थ Bm के बीच संबंध किसी दिए गए डेटा दर के लिए क्या है?

This question was previously asked in
UGC NET Paper 2: Electronic Science June 2019 Official Paper
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  1. Bm = MB
  2. Bm = B log2 M
  3. B = Bm log2 M
  4. B = M⋅Bm

Answer (Detailed Solution Below)

Option 3 : B = Bm log2 M
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UGC NET Paper 1: Held on 21st August 2024 Shift 1
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Detailed Solution

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अवधारणा:

M-सरणी PSK:

m-सरणी PSK के लिए डिजिटल रूप से मॉडुलित वाहक पारित करने के लिए न्यूनतम बैंडविड्थ निम्नानुसार दी गई है:

\(B.W. = \frac{{{R_b}}}{{{{\log }_2}M}}\)

गणना:

\(B_m=\frac{{{R_b}}}{{{{\log }_2}M}}\) -----(1)

BPSK:

BPSK के लिए M = 2 तो,

\(B= \frac{{{R_b}}}{{{{\log }_2}2}}= R_b\) ------(2)

समीकरण 1 और 2 से;

B = Bm log2 M

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