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this is digital communication subject. Given the binary sequence b = {1,0, 1, 1, 0, 1),...
(a) Plot the digital signal corresponding to the sequence "11010" with a transmission rate (RA) equals 1 Mbps using the following line codes: -On-Off (uni-polar) Non-Return-to-Zero (NRZ) with a rectangular pulse p(t) = A rect() -Polar Return-to-Zero (RZ) with a rectangular pulse p(t) = A rect 650) -AMI (Bipolar) (NRZ) with a rectangular pulse p(t) = A rect (b) Determine the null-based (zero-crossing) essential bandwidth and the average power for the line codes used above. (c) Determine the minimum bandwidth...
Problem (a) (i) Describe the following line codes: 1. Polar non-return-to-zero (NRZ) 2. Bipolar return-to-zero (RZ) 3. Manchester (ii) For each of the line codes listed above give the code for the bit sequence: 1110101 (b) Describe the B8ZS line code and state where it is used. Give the B8ZS line code for the bit sequence: 110000000011
1. For the bit stream 11000110111100010101, sketch the waveforms for the following codes. Assume that the signal level for the proceeding bit for NRZI was high. Nzi:"i". Signal transition at beginning of bit time: "0- No signal transition at beginning of bit time. Manchester:"1- low to high: 0- high to low) NRZI The bipolar-AMI waveform representing the binary sequence 0100101011 is transmitted over a noisy channel. The received waveform is shown below. It contains a single error. Locate the position...
(a) Consider the binary bit sequence, 1 0 0 0 0 1 0 1 0 0 0 0 1 1 0 0 0 0 1. (i) Draw the waveform for Manchester encoding. (ii) Draw the waveform for HDB3 encoding. The first pulse is “-“. (iii) Explain the weakness of Bipolar-AMI and how HDB3 overcomes the weakness.
1. Find a binary representation of the last two digits of your student ID number (which are : 22), to obtain a sequence of 8 bits. Consider polar mapping with amplitudes ±a. Using an NRZ pulse shape of duration T seconds, and the 8-bit sequence above, sketch carefully or plot the following waveforms: (a) The transmitted signal s(t) (b) The response ycorr(t) to s(t) of the correlator with respect to s(t) (c) The response yMF(t) t s(t) of the matched...
The lower bound of the sequence 4. - ба 23 is 1. 0 II. 1 III. 2 IV. 3 V. - Select one: a. b. V c. d. 1 e IV Next page
Communication System
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QUESTION 3 Briefly explain the following Analog Pulse Modulation (APM): (i) Pulse Amplitude Modulation (PAM) Pulse Width Modulation (PWM) (iii) Pulse Position Modulation (PPM) (2 marks) (2 marks) (2 marks) b) There are several digital modulations techniques used to modulate digital signal. For a binary data 10111011, sketch the output waveform if the following modulator is used: Amplitude Shift Keying (ASK) (2 marks) Frequency Shift Keying(FSK) (2 marks) (iii) Phase Shift Keying (PSK)...
Question 1 What would be the major product of the following reaction sequence? 1. Hg(OAC), H20 DMSO, (COCI)1. LDA 11. NaBHA 11. CHI 2 Et N I II III IV V 000 A. 11 B. III C. IV D.1 E. V A Moving to another question will save this response. 29 MacBook Air S F6
What is the major Organic product for the following sequence of reactions? 0 1) -MgBr, ether 2) H307 OH 0 (a) (b) o OH o d ) e) What is the major Organic product of the following reaction? O 1) Li N THF 2) ^ Br O (a) OH 0 OH (d) When Cl2 adds to pent-2-ene, which product(s) is(are) not observed? Cl2 CH,C12 СІ WH C1 H Ci WH CI 1C1 JH H H C1 C1 н H C1...
subject inorganic chemistry. please help me answer it
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1. Sketch a diagram of the structure and describe the coordination number of the central metal atom, and also describe the geometry adopted in the following species: i) AgCl] ion ii) [NC-Hg-CN] iii) [Cu(acac)2] (acac is an acronym for acetylacetonato ligand) iv) [CuCls]3 ion v) IZrF]3 ion