The subject is Communication Systems ( A RANDOM SIGNAL GENERATION AND ANALYSIS ) Please send the answer by typing i don't want any handretten. Q1.... [Explain SNR (Signal to noise ratio)]?

Frequency Response Discuss the importance of Nyquist plot technique in control systems.

What is signal to noise ratio?

1. a) An analog signal contains frequencies up to 12 kHz. (i) What range of sampling frequencies dose allow exact reconstruction of this signal from its samples? (ii) Suppose that we sample this signal with a sampling frequency Fs = 9 kHz. Examine with proper diagram what happens to the frequency component F1 = 6 kHz after passing through the digital to analog converter. (iii) Repeat part (ii) for a frequency component F2 = 11 kHz. b) Why is it necessary to introduce an analog low-pass filter before analog to digital converter? Illustrate the fact with necessary diagram.

The signal illustrated in Figure E.47 is part of a binary-phase-shift-keyed (BPSK) binary data transmission. Write a mathematical description of it. x(t) BPSK Signal t (ms)

This question from Digital Communication 1 Course.

please answer with detail solutions with formula

What is rise time for a signal?

A. If the analog signal to be quantized is a sinusoidal waveform, that is, X (t) = 9.5 sin (2000 t) and if the bipolar quantized uses 8 bits, determine 1. Number of quantization level 2. Quantization step size or resolution, assuming that the signal range is from -12 to 12 volts. 3. The signal power to quantization noise power.

Depanment of Electronics Engineering IX. A carrier signal is amplitude modulated by a sinewave. The resulting AM waveform Is shown below. zed 6V 2.5V a) What is the percentage of modulation? b) What is the amplitude of the carrier signal? c) To achieve 75 percent modulation, what amplitude of the modulating signal is needed? d) Calculate the effective voltage of the AM signal SSA AILE Q + Page 4 I 5 X. The frequency spectrum of an AM signal is shown betow: (9 pts)