Explain MUF and give any method for calculation. A high frequency radio link has to be established between two points at a distance of 2500km on earth surface. Considering the ionospheric height to be 200 km and its critical frequency is 5 MHz. calculate the MUF for the given path

Q: In free space electric field component is E=(10ax+5az)cos(wt+2y-4z)V/m. Determine a)Magnitude of…

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Q: symmetric slab waveguide,

A: Here at cutoff, the mode propagating in a slab at a critical angle gives that the phase velocity…

Q: Which of the followings is true? On Smith chart, given point P in 90-180-degree quarter at a…

A: The Smith Chart is a graphical aid for solving transmission line and matching circuit problems. It…

Q: Estimate the free space path loss between 2 radiating sources if the distance between them is 155…

A: The free space path loss between 2 radiating sources placed at a distance D km and operating at…

Q: Two half-wave dipoles are arranged as shown in the figure below, with antenna 1 transmitting 300W at…

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Q: The answers according to the books are 0.23 mV/m , 0.53 to 0.99 mV/m

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Q: 3. The 6dB attenuator will cause a 6dB loss in the power of any waveform that passes through the…

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Q: In free space electric field component is E=(10ax+5az)cos(wt+2y-4z)V/m. Determine a)Magnitude of…

A: Wave is function of space and time. Electric field intensity is force per unit charge . The EM wave…

Q: A hypothetical isotropic antenna is radiating in free-space. At a distance of 100 m from the…

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Q: This MCQ QUESTION FROM ANTENNA ENGINEERING course.

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Q: The critical frequency of an ionospheric layer is 10 MHz What is the maximum launching angle from…

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Q: According to the book the answer for this question is 0.23 mV/m, 0.53 to 0.99 mV/m Please don’t…

A: To solve this problem, we need to calculate the field strength at a distance of 110 km from a 1 MHz…

Q: Problem [8] The skin depth of a certain nonmagnetic conducting (good conductor) material is 3 µm at…

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Q: Problem 4: If you do not shield your sensitive receiver components, you might get accidental pick Up…

A: The first step is to calculate the area of the probe. The probe is circular in shape, so we use the…

Q: 2. Seawater plays a vital role in the study of submarine communications. Assuming that for seawater,…

A: From question 2 Permittivity=80×E0 E Per mobality=μ=1.u0 f=100KHZ Phase velocity  vp=1μE…

Q: b) In spherical coordinates, V=-75V on the Bluetooth module antenna at r-25cm and V-225V at r-60cm.…

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Q: Calculate the maximum usable frequency for a near vertical incidence ionospheric daytime link. It is…

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Q: We have discussed in class that a wire should be treated as a transmission line when its length…

A: See explanation below for the answers.Explanation:

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.