An earth station antenna has a circular aperture with a diameter of 6.5 m and an aperture efficiency of 68% at 18.6 GHz. a. Calculate the gain of this antenna and estimate its beamwidth. 3.8 atellites b. The aperture efficiency of the antenna is 64% at a frequency of 29.0 GHz. Cal- culate the gain of this antenna and estimate its beamwidth at 29 GHz.

Q: The transmitter and receiver antennas used in a long range microwave communication system operating…

A: Given: In a long-range microwave communication system, Operating frequency, f=9 GHz So, the…

Q: 3. The effective antenna temperature of an antenna looking toward zenith is approximately -270…

A: Antenna :   An antenna or aerial, used with a transmitter or receiver, is the contact between radio…

Q: A geo-synchronous satellite is transmitting a TV signal to an earth based station at a distance of…

A: Given d = 40,000km d=d0.5  md'=5m aperture offering  power =6 wdownlink frequenc y=4 Ghz we know λ =…

Q: Q1: The radiation intensity pattern expression for an antenna is given by: F(0) = %3D 0 elsewhere…

A: This is a basic problem of antenna characteristics. The formula and calculation is shown in the next

Q: If the radiation resistance of an areal antenna is 150 ohms, then estimate the effective height of…

A: Radiation resistance of an areal antenna can be expressed as

Q: 2. Compute for the EIRP for a transmitting power of 30W and an antenna gain of 45 dB.

A:

Q: 05- An earth station is receiving a signal from a space research satellite on a frequency of 11GHZ.…

A: We need to find out average power density and received power and effective area of antenna

Q: A standard air-filled WR-75 rectangular waveguide, o = 5.8e + 7 (S/m), is chosen for microwave…

A: It is given that, the waveguide is rectangular wave guide : where, σ=5.8e+7 S/ma=19.05…

Q: A parabolic reflector with an FID ratio of 0.4 is fed by a small horn placed at the focal point that…

A:

Q: The current design of a spacecraft transmitter has the following characteristics: f= 3 Ghz, P₁ = 5…

A:

Q: A standard air-filled WR-75 rectangular waveguide, o = 5.8e + 7 (S/m), is chosen for microwave…

A: We are authorized to answer three subparts at a time since you have not mentioned which part you are…

Q: (a) Describe isotropic, directional and omnidirectional antenna patterns.

A: Since you have asked a multipart question, and questions are interconnected. hence we will solve the…

Q: 1. If an antenna with a diameter of 60 ft and aperture efficiency of 0.6 were used at a frequency of…

A: The solution is given below

Q: EMT by sadiku-chapter 13-antenna problem no 20.-ASAP

A: The given magnetic field intensity is,

Q: 2.11. The normalized radiation intensity of a given antenna is given by (f)sin²0sin³Ø The intensity…

A: The solution is given below

Q: :Design an antenna with omnidirectional amplitude pattern with half-power beamwidth of 900 with…

A: Since the half-power bandwidth is 90° the angle at which the half-power period occurs is θ = 45°

Q: What is the gain of a Deep Space Network (DSN) 70m antenna at 9 GHz (efficiency of .65)?

A: According to the question we have to find the value of Gain.

Q: Determine the maximum spacing allowed for an equally-spaced linear array such that, for a beam scan…

A:

Q: Find the directivity of a linear end fire array, comprising of 10 uniform elements with a separation…

A: Directivity of a linear end fire array can be expressed in the following way:

Q: Consider an array of four isotropic antennas located at a distance “a” from the center of a…

A: According to the question, consider an array of four isotropic antennas located at a distance “a”…

Q: The transmitter and receiver antennas used in a long range microwave communication system operating…

A: Given: In a long-range microwave communication system, Operating frequency, f=9 GHz So, the…

Q: The dimensions of a rectangular metallic waveguide are 1.58x0.79 cm. Assuming that the inside of the…

A:

Q: A base stationcellular communicationsystems lossless antenna has a maximum gain of 16 dB (above…

A: It is given that: Maximum gain=G=16 dBInput power to antenna=Pt=8 WR=100 m=104  cm

Q: 2.16. The normalized radiation intensity of an antenna is rotationally symmetric in , and it is…

A: Given :  Brief description: In an antenna the directivity is depends upon the maximum intensity of…

Q: 23. A microstrip patch antenna operating at 2 GHz has an efficiency of 66% and an antenna gain of 8…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: 2.14. The normalized radiation intensity of an antenna is rotationally symmetric in ø, and it is…

A: Directivity of antenna: It is the power density of the antenna and its direction is a maximum…

Q: How to design wide band microstrip antenna in single, linear, and planar array to cover the…

A: In antennas based on microstrip feeding and aperture coupled slot antennas were to design 1×4…

Q: 6. Consider a directional antenna that has a gain of 10 dB and radiates 20 Watts. How much power an…

A: EIRP is used to measure the effective power in one direction from an ideal isotropic source. The…

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A: The binomial Excitation of a array has a unique property. There are no sidelobes present for element…

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A: The three dimensional plot of radiation is called radiation pattern. In a specific direction the…

Q: 05- An earth station is receiving a signal from a space research satellite on a frequency of 6GHZ.…

A: We need to find out power density and received power and effective area of antenna

Q: How large is the dish diameter that will be required for the dish antenna to produce 60 dB gain at…

A: The diameter of the dish antenna is directly related to the directive gain of the antenna. The…

Q: What will be the power gain of a parabolic antenna with 10 m diameter dish and a feed of 10 GHz?

A: The expression of power gain G­p for a parabolic antenna having a dish diameter of D is given as

Q: the upper hemisphere and negligible minor lobes in all spatial directions. Its major lobe radiation…

A: Given that Radiation intensityUθ,φ=U0cosnθ  0≤φ≤2π,0≤ϕ≤π2

Q: The Doppler radar shown below is operating at 10 GHz and intended to detect target velocities…

A:

Q: An antenna used for transmitting has a power gain of 20, directive gain of 22, and an input power of…

A: Note:  As per the  guide lines of the bartleby we are supposed to solve 3 questions, when they are…

Q: What are the approximated sizes of a 8X8 antenna array at 60GHZ mmWave and in 6 GHz UWB?

A: we need to determine the antenna size for given frequencies.

Q: Calculate the power gain of a horn antenna of square aperture with the aperture area of 100 times…

A: The power gain of a horn antenna can be expressed as In this problem, the aperture area is given as…

Q: 2- Design rectangular microstrip patch antenna to resonate at a frequency of f = 10 GHz. Using a…

A: As per our policy we can provide solution to first three questions only As we have given: f=10…

Q: 12. Determine the optimum frequency of operation of an antenna if it has -3 dB frequencies of 350…

A:

Q: 9. Ferromagnetic sphere with saturation magnetization M;=0.6 is placed in resonant cavity tuned to…

A: Given: Saturation magnetization of a Ferromagnetic sphere=0.6 Field at which resonant absorption is…

Q: certain antenna has a gain of 7 dB with respect to an isotropic radiator. (a) what is the effective…

A:

Q: A 37.4W transmitter at 86.7 MHz will be used to establish VHF communication. Determine the maximum…

A:

Q: 3.4 A DBS-TV receiving antenna has a circular aperture with a diameter of 0.6 m and operates at a…

A: As per our company guidelines we are supposed to answer only first 3 subpart kindly repost other…

Q: 1. Determine the following; (a) What is the wavelength of an 800-MHz signal? (b) What is the…

A:

Q: Two isotropic point sources with identical amplitude and phase, and spaced. The Pattern is Broadside…

A: Answer: Broadside pattern   Explanation:   a). In a broadside pattern, the elements are equally…

Q: A C-band radar with an antenna 1.8m in radius transmits 60kw at 6 GHz. If the minimum detectable…

A: The solution for the maximum range is provided below.

Coulomb’s Law

Coulomb's law states that the attraction or repulsion force between two charged things is proportional to the product of their charges and inversely proportional to the square of their distance. It has an effect along the line that connects the two-point charges.