The energy of the basis function is equal to: a. one b. infinity c. zero d. none of the mentioned 8) In delta modulation, the encoding is performed by:
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- What is the main feature in AM modulation , that is used to judge if the modulation is good or not ? Explain with examples .13. The purpose of the __________ is to periodically sample the continuallychanging analog signal and covert those samples to a series of constantamplitude pulses that can more easily be converted to binary PCM.14. In ___________, the input analog waveform is sampled by a sampling pulsewith an output waveform that is flattened at the top.15. The simplest form of pulse modulation is ______________.. What are specifications of Digital modulation techniques?
- Choose the correct answer low HDOP (Horizontal Dilution of Precision) number such as2 indicates a ........................... a.poor fix b.good fix c.poor signal quality d. good signal quality2. Select the correct statement(s) regarding baseband signal modulation. a. modulation involves the mixing of a baseband signal with a carrier to produce a modulated carrier (passband) signal b. the modulation index gives us information regarding the quality of the modulated carrier signal c. FM and PM modulation techniques are categorized as “angular modulation”, while AM is not considered an “angular modulation technique d. all statements are correct3. Which of the following is a key characteristic of orthogonal frequency-division multiplexing?A. Amplitude modulationB. Noise performanceC. Digital modulationD. Spectral efficiency
- 3. Define: a) The circuit that causes one signal to modulate another, and give the names of the two signals applied to this circuit. b) What is the name given to the new signals generated by the modulation process.Q2: Explain the types of error in delta modulation (DM). Q3: Draw the block diagram of delta-sigma modulation system (Transmitter and Receiver). eply...A Delta Modulation system is designed to operate at 3 times the Nyquist rate for a signal with a 3 KHz bandwidth. The quantization step size is 250mV. Determine the maximum amplitude of a 1 KHz input sinusoid for which the i) delta modulator does not show slope overload. Determine the postfiltered output SNR for the signal of part (i). ii) 5.
- What is the main disadvantage of linear delta modulation? What is the solution for this problem? this question from digital communication course.course Name: Digital Signal Processing The analog signal x(t)=2sin 480nt + 3sin 720 nt. Calculate: i. Minimum sarnpling rate to avoid aliasing. If the signal is sarnpled at = 200 MHz what is the discrete signal after sampling. iii. If the signal is sampled at = 75 Hz. What is the discrete signal after sampling.Please assist with question 2 with details on how to do it. Thank you. 2. This problem addresses the digitization of a television signal using pulse-code modulation. The signal bandwidth is 4.5 MHz. Specifications of the modulator include the following: Sampling: 15% in excess of the Nyquist rate Quantization: uniform with 1024 levels Encoding: binary Determine (a) the Nyquist rate, and (b) the minimum permissible bit rate.