2. At a certain time, the MUF for transmissions at an angle of incidence of 750 is 17 MHz. what is the critical frequency?

Q: What should be the relative dielectric constant of the dielectric material between the plates so…

A:

Q: 2. At a certain time, the MUF for transmissions at an angle of incidence of 750 is 17 MHz. what the…

A:

Q: Antenna dimension needed for transmitting signals is at least /4. Select one: True False

A:

Q: Radiated power by an antenna is inversely proportional to the square of wavelength Select one: True…

A: We need to tell about radiated power of antenna.

Q: Calculate the power density (in nW/m2) 25 km away from a 90% efficient half-wave dipole with a gain…

A: The solution is given below

Q: In a communication link, both the transmitting and the receiving antenna are having a gain of 40 dB.…

A: Given

Q: frequency (MUF) for transmission at an angle of incidence of 75° is 20MHz. A) What is the critical…

A: In this question we will find critical frequency and optimum working frequency of transmission....

Q: Find the electric field intensity at a distance of 10 km from an antenna having directive gain of 5…

A: In Antenna Array the group of radiating element produce radiation in one direction. . Its radiation…

Q: Calculate the number of elements, length of each element and spacing between the elements of log…

A: Given: The log periodic antenna has the following parameters: f1=70 MHzf2=320 MHzσ=0.132τ=0.762 To…

Q: A horn antenna is operated 8.2 to 12. 4 GHz. The aperture of the antenna is (L x W ) 32 x 42 mm.…

A: Explanation: a)

Q: Find the electric field intensity at a distance of 10 km from an antenna having a directive gain of…

A: In Antenna Array the group of radiating element produce radiation in one direction . Its radiation…

Q: Calculate the effective aperture of a short dipole antenna at a frequency of 1.2 GHz.

A: The effective aperture (Ae) of an antenna can be evaluated using the following equation:

Q: What is the polarization loss factor when a linear polarized antenna ?receives a circular polarized…

A: Note: We are authorized to answer the first question since the exact one wasn’t specified. Please…

Q: A lossless resonant half-wavelength dipole antenna, with input impedance of 73 ohms, is connected to…

A:

Q: Which of the following is the phase constant of the electromagnetic wave propagating in a microstrip…

A:

Q: 10. (a) Find the current required to radiate a power of 100 W at 100 MHz from 0.1 Herztian dipole.…

A: Part (a): Given, Power =100 W, Frequency = 100 MHz 0.1 Hertzian dipole, Now, λ=cfλ=3×108100…

Q: 3. Determine the maximum usable frequency for a critical frequency of 10 MHz and an angle of…

A: The maximum usable frequency can be defined as =Critical frequency/ cos ( angle of incidence)…

Q: Effective height of an areal is 1/150th of the wavelength emitted by it. Find out the value of the…

A: Radiation resistance of an areal antenna can be expressed by the following equation:

Q: A lossless resonant dipole antenna, has the pattern of the antenna is given approximately by U=Bo…

A:

Q: What is the required bandwidth according to the Carson's rule, when a 100 MHz carrier is modulated…

A: Given information: The frequency of the carrier signal is fc=100 MHz. The modulating frequency is…

Q: An AM radio signal propagating in free space has E = E, sin(12007t – Bz)a, E. н - sin(1200t – Bz)a,…

A: Given: An AM radio signal propagating in free space has: E=Eosin1200πt-βzaxH=Eoηsin1200πt-βzay To…

Q: 4/ Calculate the minimum value of the transmitted power of a pulsed radar signal to detect a target…

A: It is given that: Cross-sectional area=σ=10 m2Distance=D=120 km=120×103 mFrequency=ν=35 GHz=35×109…

Q: if the maximum dimension of an antenna is 0.15 m and the frequency is 1 GHz the distance 0.5 m…

A:

Q: Calculate the gain of a lossless antenna with circular aperture of diameter 3 meters at a frequency…

A: The solution is given below

Q: A lossless antenna has a directive gain of 6 dB. If 1 mW of power is fed to the antenna, then what…

A: Directive gain (D) of an antenna is defined as the ratio of the radiated power by the antenna to the…

Q: if the maximum dimension of an antenna is 0.15 m and the frequency is 1 GHz the distance 0.5 m…

A: Given values are - D=0.15mf=1GHz Given distance is 0.5(m).

Q: Radiated power by an antenna is proportional to the square of wavelength Select one: O True O False

A: Power radiations can be increased by using frequency of high power.

Q: Calculate the gain of a lossless antenna with circular aperture of diameter 3 meters at a frequency…

A:

Q: A set of 10 identical radiating point elements at d = 0.58 separated by a space if you know that the…

A: Group factor-  Group Factor is an assumed value which shows that every element experience the same…

Q: If the effective height of an areal is 1/150th of the wavelength, then estimate its radiation…

A: The aerial is basically a wire antenna. The radiation resistance (Rr) of an aerial can be expressed…

Q: 11. The impedance on the Smith chart can be repeated for each half wavelength length of the…

A: From the Question The impedance on the Smith chart can be repeated for each half wavelength length…

Q: A lossless resonant half-wavelength dipole antenna, with input impedance of 73 ohms, is connected to…

A:

Q: 6. If the distance between a transmitting station and receiving station is 1 Km and if the antennas…

A:

Q: A lossless resonant half-wavelength dipole antenna, with input impedance of 73 ohms, is connected to…

A:

Q: Calculate the gain of a lossless antenna with circular aperture of diameter 3 meters at a frequency…

A:

Q: The height of a transmitting antenna is 30 m and the operating wavelength is 450 m. Determine the…

A: Using formula first we have to calculate radiation resistance then with the help of that we have to…

Q: Normalized radiation intensity for an antenna as U (0, 4) = sine*(sinp)^2 is given. This irradiance…

A: As we have given: Uθ,ϕ=sinθ×sinϕ2 Umax=1       ... lies when θ=ϕ=π2 For a) Step 1: Calculate Prad…

Q: 2. The normalized intensity pattern of an antenna is given by TC U(0) = 1 0<0 < TC TT 0.342 csc0…

A: The normalised intensity pattern of an antenna is given by:

Q: Radiated power by an antenna is inversely proportional to the square of wavelength Select one: O…

A: Solution: If we use high frequency signal in antenna then power radiated  will be increased.

Q: Determine the maximum distance between 18m high antenna transmitting 10W of power and a 10m high…

A:

Q: Calculate the gain of a lossless antenna with circular aperture of diameter 3 meters at a frequency…

A: We need to find out Gain for given antenna

Q: With the transmitted radar power of 1MW at an antenna gain of 20dB. Determine the fol.: Power…

A: We need to find out power density at given point for given antenna gain and transmitted power .

Q: If the FNBW of a parabolic reflector antenna is 15o at 1.5 GHz then estimate the diameter of the…

A: For a parabolic reflector type antenna, the expression of First Null Beamwidth (FNBW) in degree can…

Q: Radiation intensity of an antenna is a near field antennna parameter. а. FALSE b. TRUE

A: In this question we need to verify the given statement is true or false

Q: Calculate the wavelength of a 2-GHz signal in a waveguide with 1-GHz cut off frequency.

A: we need to determine the wavelength.

Q: Using a uniform illuminated parabolic reflector, calculate the half power beamwidth for an antenna…

A: The solution is given below

Q: 2. The E-field pattern (radiation intensity) of an antenna 0 < ø <360º, varies as follows: 0° < 0<…

A: The directivity of the antenna is given by the expression as shown below:

Q: 1: Answer the following sentences with (True) or (False) then correct the false sentences: 1- When…

A: We need to tell about whether the given statement are true or false