An 8-bit byte with binary value 10101111 is to be encoded. Draw the digital signals for...
An 8-bit byte with binary value 10101111 is to be encoded. Draw the digital signals for using each of the NRZ, NRZ-I, Manchester, and differential Manchester digital encoding techniques. Assume the signal is “high” prior to receiving the first bit.
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An 8-bit byte with binary value 10101111 is to
be encoded. Draw the digital signals for...
this is digital communication subject. Given the binary sequence b = {1,0, 1, 1, 0, 1),...
this is digital communication subject.
Given the binary sequence b = {1,0, 1, 1, 0, 1), sketch the waveforms representing the sequence b using the following line codes: i Unipolar NRZ ii. Polar NRZ iii. Bipolar iv. Manchester v. Differential Manchester
Really need the following questions answered specially with the analogue bit I cannot figure it out...
Really need the following questions answered specially with the analogue bit I cannot figure it out Draw how the following bit pattern 0011 0001 0111 0101 0110 1001 will stream using: Digital transmissions: Unipolar Bipolar NRZ Bipolar RZ Bipolar AMI Manchester encoding Analog Transmissions: 1-bit AM 1-bit FM 1-bit PM 2-bit AM 2-bit FM 2-bit PM You can use any drawing tool or you can manually draw and scan...
Draw how the following bit pattern 0011 0001 0111 0101 0110 1001 Examples (but do not...
Draw how the following bit pattern
0011 0001 0111 0101 0110 1001
Examples (but do not limit yourself to these): http://what-when-how.com/data-communications-and-networking/analog-transmission-of-digital-data- data-communications-and-networkin https://www.youtube.com/watch?v-gGwUOvErR8 Draw how the following bit pattern 0011 0001 0111 0101 0110 1001 will stream using Digital transmissions Unipolar Bipolar NRZ Bioar RZ . Bipolar AMI . Manchester encoding Analog Transmissions: 1-bit AM e 1-bit FM 1-bit PM . 2-bit AM . 2-bit FM 2-bit PM You can use any drawing tool or you can manually draw and...
Help!!! A information wave m(t) is transmitted using a 4-bit binary PCM system. A uniform quantizer...
Help!!!
A information wave m(t) is transmitted using a 4-bit binary PCM system. A uniform quantizer is used to convert the sampled signal into a PCM bit stream. Assume a sampling rate of 2 times the Nyquist rate m(t) .5 0.5 2.5 Time (s) Figure 1: Intelligence signal m(). Determine 1. Determine the quantized sample value and its respective PCM sequence for the following samples: 2Ts, 3Ts and 4Ts 2. What bandwidth would be required to transmit this PCM signal?...
(a) Consider the binary bit sequence, 1 0 0 0 0 1 0 1 0 0...
(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.
Module 2 - Quiz 2 TRUE OR FALSE T F 1. Only digital signals can be...
Module 2 - Quiz 2 TRUE OR FALSE T F 1. Only digital signals can be used to convey information in the communications environment, T F 2. The greater the bandwidth of the signal the greater its information carrying capacity T F 3. The transmission media that are used to convey information can be classified as guided or unguided. T F 4. Twisted pair may only be used to transmit analog and digital signals. T F S. Both analog and...
BIT MAXIMUM VALUE SELECTOR Consider a simple device that takes two 2-bit binary inputs representing two...
BIT MAXIMUM VALUE SELECTOR Consider a simple device that takes two 2-bit binary inputs representing two values ranging from zero to three. The 2-bit value A is represented by two input variables Al and A0. Values of Al and A0 will be used to encode numeric values (in binary) as described below. 2-bit values for the second 2-bit input B and the 2-bit output C are encoded similarly. The 2-bit output C of the de- vice will be the greater...
Q1 Marks: 40 A digital communication system has 96 analog telephone signals, each band limited to...
Q1 Marks: 40 A digital communication system has 96 analog telephone signals, each band limited to 4 kHz. The telephone signals are converted to digital binary data using Pulse Code Modulator (PCM) system, which use a uniform quantiser followed by an 8-bit encoder. The system uses two bits for synchronization. The digital binary data are then time-division multiplexed and transmitted over a single communication channel. Analyse the communication system by considering the following principles: (i) Determine the number of quantization...
a. Describe TWO (2) advantages and TWO (2) disadvantages of digital transmission. (CO1: PO1 - 4...
a. Describe TWO (2) advantages and TWO (2) disadvantages of digital transmission. (CO1: PO1 - 4 marks) b. Sampling, quantization and coding are the three processes used to represent an analog signal in digital form. Considering an input signal into an 8-bit Pulse Code Modulation (PCM) system is a 20 Vp-p 50-Hz, answer the followings: i. Using appropriate diagram briefly describe TWO (2) basic methods to perform the sampling function. (CO2: PO2 - 2 marks) Determine the number of quantization...
Problem 4 A base-band digital communication system using binary signals shown in the Figure for transmission...
Problem 4 A base-band digital communication system using binary signals shown in the Figure for transmission of two equiprob able messages. The transmitted signal is s(t), i e {1,2} and the recieved signal is r(t) s(t)+n(t), where nit) is the AWGN with power-spectral density No/2. 1. In a block diagram, give the precise specifications of the optimal receiver. What are the characteristics of the matched filter and the sampler and decision device? 2. Find the error probability of the optimal...
this is digital communication subject.
Given the binary sequence b = {1,0, 1, 1, 0, 1), sketch the waveforms representing the sequence b using the following line codes: i Unipolar NRZ ii. Polar NRZ iii. Bipolar iv. Manchester v. Differential Manchester
Draw how the following bit pattern
0011 0001 0111 0101 0110 1001
Examples (but do not limit yourself to these): http://what-when-how.com/data-communications-and-networking/analog-transmission-of-digital-data- data-communications-and-networkin https://www.youtube.com/watch?v-gGwUOvErR8 Draw how the following bit pattern 0011 0001 0111 0101 0110 1001 will stream using Digital transmissions Unipolar Bipolar NRZ Bioar RZ . Bipolar AMI . Manchester encoding Analog Transmissions: 1-bit AM e 1-bit FM 1-bit PM . 2-bit AM . 2-bit FM 2-bit PM You can use any drawing tool or you can manually draw and...
Help!!!
A information wave m(t) is transmitted using a 4-bit binary PCM system. A uniform quantizer is used to convert the sampled signal into a PCM bit stream. Assume a sampling rate of 2 times the Nyquist rate m(t) .5 0.5 2.5 Time (s) Figure 1: Intelligence signal m(). Determine 1. Determine the quantized sample value and its respective PCM sequence for the following samples: 2Ts, 3Ts and 4Ts 2. What bandwidth would be required to transmit this PCM signal?...
Module 2 - Quiz 2 TRUE OR FALSE T F 1. Only digital signals can be used to convey information in the communications environment, T F 2. The greater the bandwidth of the signal the greater its information carrying capacity T F 3. The transmission media that are used to convey information can be classified as guided or unguided. T F 4. Twisted pair may only be used to transmit analog and digital signals. T F S. Both analog and...
BIT MAXIMUM VALUE SELECTOR Consider a simple device that takes two 2-bit binary inputs representing two values ranging from zero to three. The 2-bit value A is represented by two input variables Al and A0. Values of Al and A0 will be used to encode numeric values (in binary) as described below. 2-bit values for the second 2-bit input B and the 2-bit output C are encoded similarly. The 2-bit output C of the de- vice will be the greater...
Q1 Marks: 40 A digital communication system has 96 analog telephone signals, each band limited to 4 kHz. The telephone signals are converted to digital binary data using Pulse Code Modulator (PCM) system, which use a uniform quantiser followed by an 8-bit encoder. The system uses two bits for synchronization. The digital binary data are then time-division multiplexed and transmitted over a single communication channel. Analyse the communication system by considering the following principles: (i) Determine the number of quantization...
a. Describe TWO (2) advantages and TWO (2) disadvantages of digital transmission. (CO1: PO1 - 4 marks) b. Sampling, quantization and coding are the three processes used to represent an analog signal in digital form. Considering an input signal into an 8-bit Pulse Code Modulation (PCM) system is a 20 Vp-p 50-Hz, answer the followings: i. Using appropriate diagram briefly describe TWO (2) basic methods to perform the sampling function. (CO2: PO2 - 2 marks) Determine the number of quantization...
Problem 4 A base-band digital communication system using binary signals shown in the Figure for transmission of two equiprob able messages. The transmitted signal is s(t), i e {1,2} and the recieved signal is r(t) s(t)+n(t), where nit) is the AWGN with power-spectral density No/2. 1. In a block diagram, give the precise specifications of the optimal receiver. What are the characteristics of the matched filter and the sampler and decision device? 2. Find the error probability of the optimal...
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Amplitude=3;
fs=8000;
n=0:399;
t=0:1/fs: n*1/fs-1/fs;
signal=3+3*cos(2*pi*1100*t)+3*cos(2*pi*2200*t)+3*cos(2*pi*3300*t);
fftSignal= fft(signal);
fftSignal=f ftshift (fftSignal);
f=fs/2*linspace(-1,1,fs);
plot(f,abs(fftsignal);
xlabel('Frequency(Hz)’)
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