M) + Q4t 0.0 S Suppose that we are given the periodic message signal m(t) shown...
Please solve these two questions because they are relevant to each other. Also, please be clear when you write by your hand. 5.1-3 A periodic message signal m(t) as shown in Figure P5.1-3 is transmitted as an angle-modulated signal. The modulation system hasoc2Tx103 rad/s. Let the signal bandwidth of m(t) be approximated by its own fifth-harmonic frequency. (a) To generate an FM signal with k 20, sketch the frequency-modulated signal sFM(1) in the time domain. 298 ANGLE MODULATION AND DEMODULATION...
Question 4: (20 points) An FM signal is modulated with message m(t)Am cos(2Tmt). The measured amplitude spectrum, SPM(f), is shown below: Amplitude spectrum of the frequency modulated signal 2 -2 5000 4000 3000 2000 -1000 1000 2000 3000 4000 5000 frequency f [Hz] a) What is the carrier frequency fe? b) What is the message frequency fm c) What is the FM modulation index Bf? Is it a narrowband or a wideband signal? d) Using Carson's rule, estimate the transmission...
the message signal input to the modulator is given as x(t)=4cos(2pi*10^4t) and the carrier Xc(t)=10cos(pi*10^8t) if freq modulation is performed with freq sensitivity as being kf=1000pi verify that the modulated signal Meets the criteria for being narrow band FM also obtain an expression for the modulated signal and its spectrum sketch the spectrum
Please do Part 4 and Show all work! 1. 145 points) <FM/FSK Modulation/Demodulations A periodic wave m(t) in Figure 1 below The resulting FM signal is demodulated as shown in the following figure by using frequency discriminator. Assume no attenuation of the signal due to propagation loss (in other words assume amplifiers properly restored the amplitude of the transmitted signal at the receiver) [10 points] Find the Fourier Series (trigonometric Fourier Series) of the message signal m (t) where To...
5. Consider the following message signal: m(t) -2 .3 10 Assume that the carrier frequency is f are kf = 105, kp-25 respectively. 108 Hz, and frequency and phase deviation constants Find the maximum and minimum frequency deviation for FM, and sketch the FM wave for a duration of 103 seconds shown in the above figure (5 points). a. b. Find the maximum and minimum frequency deviation for PM, sketch the PM wave for a duration of 103 seconds shown...
Suppose that € m(t) = 5cos3000πt is the message signal to be frequency-modulated. a) Calculate the bandwidth of the modulated signal, if the modulation is NBFM. b) For WBFM with bandwidth € BFM ≈ 2Δf , find the smallest value of € kf . (Let > mean “at least ten times” smaller and greater, respectively). c) For the value of € kf found in (b), what is the bandwidth of the modulated signal?
Consider frequency modulation with a sinusoidal message signal (tone modulation) m(t) = a cos(2πfmt). The modulated signal is: vFM(t) = Ac cos[2πfct + βf sin(2πfmt)]. with βf = kfa/fm being the modulation index. What is the bandwidth of the modulated signal.
Consider frequency modulation with a sinusoidal message signal (tone modulation) m(t) = a cos(2πfmt). The modulated signal is: vFM(t) = Ac cos[2πfct + βf sin(2πfmt)]. with βf = kfa/fm being the modulation index. What is the bandwidth of the modulated signal.
18. Given the message signal m(t) = sin(3000nt) + cos(10,000nt), kf= 250,000n and kp= 20. a. Estimate the bandwidth of the FM modulated signal 0 b. Estimate the bandwidth of the PM modulated signal 0
Consider a FM system that is used to communicate the following message signal: S. m(t) 20 0.05 0.1 015 10 -0.05 with a frequency deviation constant ky 10, and a message bandwidth of W =15 kHz the one-sided noise power-spectral density in the transmission channel is No= 10-8 W/Hz, and an attenuation of 10 is introduced during transmission in the channel as well. a. What is the average-to-peak-power ratio of the message (or, equivalently the power content of the normalized...