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1. For the GMSK modulation, as for the following plot, determine the fading margins for minimum probability of error of 10-4 and 10-5. 10-1 10-2 GMSK (BT-0.3): Rayleigh fading 10-3 10-4 GMSK (BT-0.3)...
2. a. Find Eb/No and Amplitude A required to give Pb 10-5 for the following coherent digital modu...
2. a. Find Eb/No and Amplitude A required to give Pb 10-5 for the following coherent digital modulation schemes if No-10-5 and time is 0.5msec i. On-Off keying (ASK), ii. BPSK, iii. BFSK and v. BPSK with a phase error of 5 deg. Consider an audio signal with spectral components limited to the frequency band 300 to 3300 Hz. Assume that the sampling rate of 8000 samples/s will be used to generate a PCM signal. The ratio of peak signal...
5.1 Determine the maximum and minimum spectral frequencies received from a stationary GSM transmitter that has...
5.1 Determine the maximum and minimum spectral frequencies received from a stationary GSM transmitter that has a center frequency of exactly 1950.000000 MHz, assuming that the receiver is traveling at speeds of: (a) 1 km/hr; (b) 5 km/hr; (C) 100 km/hr; and (d) 1000 km/hr. 5.5 Given that the coherence bandwidth is approximated by Equation (5-39), show that a flat fading channel occurs when T, 2 10 04. Hint: Note that B is an RF bandwidth, and assume that Ts...
KS31603 SULIT/CONFIDENTIAL QUESTION 4 (20 marks) (a) A message signal has a peak voltage of 1V...
KS31603 SULIT/CONFIDENTIAL QUESTION 4 (20 marks) (a) A message signal has a peak voltage of 1V and its average power is 125 mW. Design a PCM system (find minimum value of R of the R bit A/D) with uniform quantization to achieve at least a signal to quantization noise ratio of 36 dB. What is the signal to quantization noise ratio obtained in your design? [6 marks] (b) If the signal is sampled at 9kHz in 4(a), what is the...
2. A search radar operates at 5 GHz by sending 3 MW pulses of 20 uus...
2. A search radar operates at 5 GHz by sending 3 MW pulses of 20 uus pulse duration. The gain of the radar antenna is 28 dB and the equivalent system noise temperature is 1400°K. The system loss is 1 dB. The radar cross section of a typical airplane viewed from the front is 30 mp. If the minimum signal-to-noise ratio (SNR) needed for detection is 20 dB, what is the maximum detectable range of the search radar?
Problem #2: (40 points) Consider the following communication link. Both the transmitter and receivers are properly...
Problem #2: (40 points) Consider the following communication link. Both the transmitter and receivers are properly matched to their respective antennas. Assume that the system nominal temperature is 290 K. A detailed block diagram of the receiver is shown in the figure Determine 1. The effective isotropic radiated power in dBm. 2. The space loss in dB 3. The communication link total losses in dB 4. What would be the received power at the receiver input in dBm? 5. What's...
Problem 1. Plot the probability of false alarm given threshold voltage, Vt, from 0.1 to 100...
Problem 1. Plot the probability of false alarm given threshold voltage, Vt, from 0.1 to 100 mV given a noise voltage variance of 0.2 mV. Problem 3. Given the statistics in problem 1, find the threshold necessary to set the probability of false alarm equal to 10-4. Problem 4. Find the signal to noise ratio for a target that results in probability of detection equal to 0.9 (90%) given the system in problem 1 and the threshold found in problem...
1 2 4. The amplitude modulation signal is given by the following expression and is applied...
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4. The amplitude modulation signal is given by the following expression and is applied to 75 load. Vam(t) = 10 sin (21fct) - 2.5 cos (1500krt) + 2.5 cos (1450krt) V Determine: a) Modulation index b) The frequency of the carrier and the information signal c) The bandwidth d) The total power e) The transmission power efficiency be ar e 5. One of the inputs to a frequency modulator is a 250 kHz carrier signal with amplitude of...
Determine the 5 Number Summary for the following data for constructing a Box and Whisker plot:...
Determine the 5 Number Summary for the following data for constructing a Box and Whisker plot: 5, 10, 20, 15, 25, 30, 35, 40, 45, 40, 15, 50, 55, 60, 60, 75, 70 Enter the data in the proper numerical sequence with 1 decimal place precision, or an integer if appropriate, for each of the answers. You may use either the Lane or Illoswky procedure for determining the 5 Number Summary. Enter numbers from left to right.
Can someone explain how to get the time complexity for Prim's minimum spanning tree problem? 1. (4 pts) For the following weighted graph, find the minimum spanning tree: 15 10 0 2 10 20 5 3 4 25 1...
Can someone explain how to get
the time complexity for Prim's minimum spanning tree problem?
1. (4 pts) For the following weighted graph, find the minimum spanning tree: 15 10 0 2 10 20 5 3 4 25 15 15 10 6 20 1. (2 pts) What is the time complexity for Prim's minimum spanning tree problem?
1. (4 pts) For the following weighted graph, find the minimum spanning tree: 15 10 0 2 10 20 5 3 4 25...
2. Calculating marginal revenue from a linear demand curve The blue curve on the following graph...
2. Calculating marginal revenue from a linear demand curve The blue curve on the following graph represents the demand curve facing a firm that can set its own prices Use the graph input tool to help you answer the following questions. You will not be graded on any changes you make to this graph Note: Once you enter a value in a white field, the graph and any corresponding amounts in each grey field will change accordingly. Graph Input Tool...
2. a. Find Eb/No and Amplitude A required to give Pb 10-5 for the following coherent digital modulation schemes if No-10-5 and time is 0.5msec i. On-Off keying (ASK), ii. BPSK, iii. BFSK and v. BPSK with a phase error of 5 deg. Consider an audio signal with spectral components limited to the frequency band 300 to 3300 Hz. Assume that the sampling rate of 8000 samples/s will be used to generate a PCM signal. The ratio of peak signal...
5.1 Determine the maximum and minimum spectral frequencies received from a stationary GSM transmitter that has a center frequency of exactly 1950.000000 MHz, assuming that the receiver is traveling at speeds of: (a) 1 km/hr; (b) 5 km/hr; (C) 100 km/hr; and (d) 1000 km/hr. 5.5 Given that the coherence bandwidth is approximated by Equation (5-39), show that a flat fading channel occurs when T, 2 10 04. Hint: Note that B is an RF bandwidth, and assume that Ts...
KS31603 SULIT/CONFIDENTIAL QUESTION 4 (20 marks) (a) A message signal has a peak voltage of 1V and its average power is 125 mW. Design a PCM system (find minimum value of R of the R bit A/D) with uniform quantization to achieve at least a signal to quantization noise ratio of 36 dB. What is the signal to quantization noise ratio obtained in your design? [6 marks] (b) If the signal is sampled at 9kHz in 4(a), what is the...
2. A search radar operates at 5 GHz by sending 3 MW pulses of 20 uus pulse duration. The gain of the radar antenna is 28 dB and the equivalent system noise temperature is 1400°K. The system loss is 1 dB. The radar cross section of a typical airplane viewed from the front is 30 mp. If the minimum signal-to-noise ratio (SNR) needed for detection is 20 dB, what is the maximum detectable range of the search radar?
Problem #2: (40 points) Consider the following communication link. Both the transmitter and receivers are properly matched to their respective antennas. Assume that the system nominal temperature is 290 K. A detailed block diagram of the receiver is shown in the figure Determine 1. The effective isotropic radiated power in dBm. 2. The space loss in dB 3. The communication link total losses in dB 4. What would be the received power at the receiver input in dBm? 5. What's...
1
2
4. The amplitude modulation signal is given by the following expression and is applied to 75 load. Vam(t) = 10 sin (21fct) - 2.5 cos (1500krt) + 2.5 cos (1450krt) V Determine: a) Modulation index b) The frequency of the carrier and the information signal c) The bandwidth d) The total power e) The transmission power efficiency be ar e 5. One of the inputs to a frequency modulator is a 250 kHz carrier signal with amplitude of...
Can someone explain how to get
the time complexity for Prim's minimum spanning tree problem?
1. (4 pts) For the following weighted graph, find the minimum spanning tree: 15 10 0 2 10 20 5 3 4 25 15 15 10 6 20 1. (2 pts) What is the time complexity for Prim's minimum spanning tree problem?
1. (4 pts) For the following weighted graph, find the minimum spanning tree: 15 10 0 2 10 20 5 3 4 25...
2. Calculating marginal revenue from a linear demand curve The blue curve on the following graph represents the demand curve facing a firm that can set its own prices Use the graph input tool to help you answer the following questions. You will not be graded on any changes you make to this graph Note: Once you enter a value in a white field, the graph and any corresponding amounts in each grey field will change accordingly. Graph Input Tool...
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