An AM radio signal propagating in free space has:   E =  Eo sin(1200πt - βz)ax H= (Eo / η)*sin(1200πt  -  βz)az Express these in phasor form

Q: Consider the oscilloscope figure shown next (with X(t) signal operating at a frequency of 1 KHz).…

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Q: Given x(n) = (0.25)"³u(n-3)cos ~n find the value of X(@ =0)

A: Given discrete sequncex(n)=0.25n-3u(n-3)cosπ2n

Q: Which of the following represents the phasor form of a uniform plane wave travelling in Teflon (μ₁ =…

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Q: Problem 2.4b: Sketch double sided and single sided amplitude and phase spectra of the following.…

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Q: 4-2. Show that the TMor and TM₁o modes in a rectangular waveguide do not exist.

A: The modes in a rectangular waveguides are represented with their mode of operation, In TM (01) ,  m…

Q: At a distance of 6 km from an antenna, the field strength is 12 V/m. The field strength at a…

A: Given,  Case:1:- d1 = 6km E1 = 12 V/m   Case 2:- d2 = ? E2 = 6 V/m

Q: QThe equation of an AM waves, CAM 100[1+0.7 cos3000nt+ 0.3 cos6000mt]sin2n x 10t Find the…

A: The given signal is a amplitude modulated wave which contains sidebands as well as career by…

Q: 4) The pulsed cosine signal shown in the following figure is "on" for two cycles and then "off" for…

A: Frequency Spectrum: No of cycle 18, frequency=200pi rad/sec limit -10 to 10 To find:  Sketch…

Q: rectangular air-filled waveguide has cross-section of 4 cm x 10 cm. Find the minimum frequency which…

A: We need to find out minimum cut off frequency.

Q: What percent of the radiated power is in the sidebands with 50% sinusoidal modulation (AM)? a. 11%…

A: Amplitude Modulation is an Modulation technique which is used to transmit a signal with the help…

Q: 3) Determine if the following signals are period or not. If it is periodic find the fundamental…

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Q: Homework: In the figure, find (a) the wavelength and amplitude, (b) the velocity, and (c) the…

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Q: Radio station WJR in Detroit broadcasts at 760 kHz. The speed of radio waves is 3.00 x 10* m/s. What…

A: The wavelength is the ratio of wave speed to the frequency of wave and the unit is meter(m).

Q: Show that the sinusoidal signal x(t) = cos(wot + 0) is periodic and that its fundamental period is 2…

A: Calculate the value of signal x(t) at t = 0. xt=cosω0t+θx0=cosω00+θ=cosθ

Q: Question 1 For the Gaussian pulse example, determine the AT using the "full width at 0.1 of the…

A: Given information written below. For the Gaussian pulse example, it is aksed to determine the ∆T…

Q: There is no radial component in the . Fresnel field region O Far field region near field region

A: We need to select correct option for non radiative field

Q: A laser beam with A0 = 550 nm is striking the surface of a pond at an angle of 50°. The pond water…

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Q: Magnitude of dipole moment is given by q/d O qd d/q None

A: A dipole in general refers to something that exist with two opposite poles or charges . Any two…

Q: If a sinusoidal signal m(1), band-limited to B Hz is sampled at B Hz, the reconstructed (recovered)…

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Q: A rectangular air-filled waveguide has cross-section of 4 cm x 10 cm. Find the minimum frequency…

A: Cross-section of rectangular air filled waveguide = 4 cm×10 cm a = 10 cm = 10×10-2 b = 4 cm

Q: A radio broadcast antenna is located at the top of a steep tall mountain. The antenna is…

A: It is given that: P=6kWf=104.3 MHz

Q: A rectangular air-filled waveguide has cross-section of 4 cm x 10 cm. Find the minimum frequency…

A: Given, Air filled rectangular waveguide having dimensions a = 10 cm  b = 4 cm We need to find the…

Q: Consider the oscilloscope figure shown next (with X(t) signal operating at a frequency of 1 KHz).…

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Q: Change from Polar Form into Rectangular Form 69.853∠26.697° Ω

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Q: Which of the following has the longest wavelength in the electromagnetic spectrum? THE ELECTRO…

A: We need to select correct option for longest wavelength

Q: is the distance travelled by the signal for one period. a. wavelength b. phase c. displacement d.…

A: We need to select correct option for given statement .

Q: An EM wave in free space is described by                                               H = 0.4…

A: In this questionWe need to determine the angular frequency. If given H = 0.4 cos(108t+βy) A/M

Q: A standing wave with wavelength A = 1.2 m and frequency f = 100 Hz is generated on a stretched cord.…

A: Given data, λ=1.2 mf=100 Hzx=0.5 mvy.max=2π m/s

Q: This is in radio wave propagation in Electronic Communication System the critical frequency at a…

A: In this question we need to find the frequency at a particular time is 11.6MHZ. What is the MUF for…

Q: The time required for the sinusoidal waveform to pass through an angle of 36° (given w = 100Tt…

A: Angle=360 ω=100π rad/s ω=100π×180π   =180000 we have to find out required time=?

Q: Solve the following, if the radio wave transmitted at an angle of incidence 60 critical electron…

A: Given information: i). Determining the frequency of the wave,

Q: Compute for the following wavelength of the following frequencies: 3. 16Thz 4. 11kHz

A: The solution is given below

Q: give a sinusoidal solution of electromagnetic wave equation nt by giving w=kc for the given…

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Q: Wave propogatiaon

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Q: Categorize the signal shown in figurel as: 1- Even, Odd signal, or neither odd nor even. 2- Periodic…

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Q: g[n] = sin(13nn/8)-cos(9tn/6) . g[n] = e¬j2nn/3 + e-j2nn/4 %3D

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Q: 5. In a region with μ-40, E-1650, the time-harmonic field is E, 16e9a, V/m t Determine 3 and H, if…

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Antenna Array

An antenna array is a group of antennas joined together and arranged in a regular pattern to form a single antenna capable of producing radiation patterns that individual antennas cannot. As the antennas are constructed as an array, sufficient spacing and phase must be given.