The scattering matrix (assuming a
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Fundamentals of Electromagnetics with Engineering Applications
- What is the capacity of a 4000 KHz channel if the SNR measured at the receiver is 19 dB?arrow_forwardHandwritten needed A system has a mean received power of -118.82 dB, W, and it is known that slow fading causes the received power to fall below -125 dB, W 0.1% of the time. What is the standard deviation δLs of the propagation loss caused by slow fading?(a) 1 dB(b) 2 dB(c) 3 dB(d) 4 dB(e) 5 dBarrow_forwardApplying d [n] to the input of an LZD system, the output is found as y [n] = [1 6 0 1 0 1 0 3 9]. System Find the transfer function H (z).arrow_forward
- The open loop transfer function of a system is given as follows; K(s+4)/s(s+2)(s+3)(s+4). Determine the real axis intercept (Round of final answer to TWO decimal places)arrow_forwardDraw the corresponding encoding of the digital data 0 1 1 0 0 1 0 0 using the specified modulation techniques. Assume a bit duration is 1 second. Whenever applicable, assume that the previous level ended at phase theta = 3 pi / 2 a. ASK: s0(t) = A0 sin (2 pi ft + θ) s1(t) = A1 sin (2 pi ft + θ) where: A1= 2*A0 ; A0 != 0; f= 1Hz, θ = 0arrow_forwardDraw the corresponding encoding of the digital data 0 1 1 0 0 1 0 0 using the specified modulation techniques. Assume a bit duration is 1 second. Whenever applicable, assume that the previous level ended at phase theta = 3 pi / 2 c. PSK: s0(t) = A sin (2 pi f t + θ0) s1(t) = A sin (2 pi ft + θ1) where: θ0 = pi; θ1 = pi/2, f = 1Hzarrow_forward
- Choose the correct statement Group of answer choices Power efficiency for DSB-LC is better than DSB-SC AM modulation Filtering should only be used at the receiver. Demodulation is used to match the message signal to the channel The band width of STP is larger than UTP cables. coaxial cables offer bandwidth that is greater than optical fiber cables.arrow_forwardDigital Subscriber Lines can not be implemented with loading coils for the reason that a. loading coils are heavy and tend to sag the line b. loading coils are not compatible with DSL repeaters c. loading coils are only good for short distances d. loading coils attenuates signals beyond the voiceband 2. Under the 1st generation of analog mobile phone systems, what is the frequency used for advance mobile phones?arrow_forwardi) Redundancy is the concept of sending extra bits for use in data compression. Select one:TRUE FALSE ii) If the channel is a bandpass channel, we cannot send a digital signal directly to the channel. Select one:TRUE FALSEarrow_forward
- A- For a FM signal, V(t) = 25 cos (15 × 108 t + 10 sin 1550 t), calculate: 1- Modulation index 2- Maximum frequency deviationarrow_forwardWe would like to transmit information over a CAT-6 twisted pair cable with a bandwidth of 250 MHz. Calculate the channel capacity (in bps) knowing that the signal to noise ratio SNR is 12 dB (in decibel).arrow_forwardA telephone line having a bandwidth of 3 kHz is assigned for data communication. The SNR is 3150. What will be the capacity for the channel?arrow_forward
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