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3. [25pt] We want to modulate m(t)=-2 1-0.5 +1, OSIS1 [sec], by using a delta modulation...
1. (9 points) In this Question, we are going to perform DSBSC modulation using MAT- LAB....
1. (9 points) In this Question, we are going to perform DSBSC modulation using MAT- LAB. The signal we want to use is a speech signal. Here is the block diagram of ths system we want to simulate: Modulation Demodulation ult gt) m(t) x Butterworth LPF mr(t) c(t) Gr(t) Figure 1: DSBSC modulation and demodulation. (a) Since we are working with speech signals, we will choose a sampling frequency that is much larger than the bandwidth of the signals. As...
6 (20pt) We know the BER of a BPSK system in AWCN channel is Q(V ) (1) (5pt) What is the BER of a 2ASK system? (2) (15pt) A digital 3ASK modulation output waveforms as: 80(t) = -A cos(2n/t),0<t T...
6 (20pt) We know the BER of a BPSK system in AWCN channel is Q(V ) (1) (5pt) What is the BER of a 2ASK system? (2) (15pt) A digital 3ASK modulation output waveforms as: 80(t) = -A cos(2n/t),0<t T s1(t)0, s2(t) A cos(2T,fet), 0 < t < T What is the SER of this 3ASK system in AWGN channel?
6 (20pt) We know the BER of a BPSK system in AWCN channel is Q(V ) (1) (5pt) What is...
1. Using the Fourier series analysis Equation 3 for the periodic function r(t) shown in Figure 2....
1. Using the Fourier series analysis Equation 3 for the periodic function r(t) shown in Figure 2.1, determine both the DC coefficient ao and a general expression for the other Fourier series coefficients ak. Do this by hand, not in Matlab. Show all your work in your lab report. You can add these pages as hand-written pages, rather than typing them in to your lab report, if you prefer Hint 1: It will be easiest to integrate this function from...
3. (25 pts) Consider the data points: t y 0 1.20 1 1.16 2 2.34 3 6.08 ake a least squares fitting of these data using the model yü)- Be + Be-. Suppose we want to m (a) Explain how you would comput...
3. (25 pts) Consider the data points: t y 0 1.20 1 1.16 2 2.34 3 6.08 ake a least squares fitting of these data using the model yü)- Be + Be-. Suppose we want to m (a) Explain how you would compute the parameters β | 1 . Namely, if β is the least squares solution of the system Χβ y, what are the matrix X and the right-hand side vector y? what quantity does such β minimize? (b)...
1. (9 points) In this Question, we are going to perform DSBSC modulation using MAT- LAB. The signal we want to use is a speech signal. Here is the block diagram of ths system we want to simulate: Modulation Demodulation ult gt) m(t) x Butterworth LPF mr(t) c(t) Gr(t) Figure 1: DSBSC modulation and demodulation. (a) Since we are working with speech signals, we will choose a sampling frequency that is much larger than the bandwidth of the signals. As...
6 (20pt) We know the BER of a BPSK system in AWCN channel is Q(V ) (1) (5pt) What is the BER of a 2ASK system? (2) (15pt) A digital 3ASK modulation output waveforms as: 80(t) = -A cos(2n/t),0<t T s1(t)0, s2(t) A cos(2T,fet), 0 < t < T What is the SER of this 3ASK system in AWGN channel?
6 (20pt) We know the BER of a BPSK system in AWCN channel is Q(V ) (1) (5pt) What is...
1. Using the Fourier series analysis Equation 3 for the periodic function r(t) shown in Figure 2.1, determine both the DC coefficient ao and a general expression for the other Fourier series coefficients ak. Do this by hand, not in Matlab. Show all your work in your lab report. You can add these pages as hand-written pages, rather than typing them in to your lab report, if you prefer Hint 1: It will be easiest to integrate this function from...
3. (25 pts) Consider the data points: t y 0 1.20 1 1.16 2 2.34 3 6.08 ake a least squares fitting of these data using the model yü)- Be + Be-. Suppose we want to m (a) Explain how you would compute the parameters β | 1 . Namely, if β is the least squares solution of the system Χβ y, what are the matrix X and the right-hand side vector y? what quantity does such β minimize? (b)...
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