Determine the height of an antenna that must be able to reach antennas at 1.5 m height up to 80 km away.

Q: if the maximum dimension of an antenna is 0.15 m and the frequency is 1GHZ the distance 2 m…

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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: Problem Solving (Evaluate the given problems as shown below) With the transmitted radar power of IMW…

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

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Q: Given: a dipole antenna of length 6cm at 0.5GHZ If the antenna impedance is all real and the wire…

A: The value of wavelength is: The length of the dipole antenna is:

Q: Calculate the beamwidth between first null of a 5 m paraboloid reflector used at 10 GHz. What will…

A: Given data: Frequency f=10 GHz The diameter of the paraboloid reflector D=5 m From the frequency,…

Q: Estimate the wavelength range of the Ku frequency band

A: The Ku band is a portion of the electromagnetic spectrum. The term Ku was coined during the COLD…

Q: Determine the height of an antenna that must be able to reach antennas at 1.5 m height up to 80 km…

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Q: How would you find the needed increase of an antenna area of a satellite if it increased altitude…

A: We need to find area for same power . We will use received power formula to find out area .

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

A: Given

Q: 2.107. A radar antenna, used for both transmitting and receiving, has a gain of 150 (dimensionless)…

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Q: A uniform phased array of 6 isotropic elements, placed at a distance 1/2 apart, is intended to…

A: Phase Difference: The difference between two phases are called Phase differences. The phase…

Q: For the following frequencies, determine the free-space wavelength, the ITU frequency band, and…

A: Given (a) 450 MHz, (b) 2 GHz

Q: Find the beam area of an antenna has a major lobe defined by the angles 0<0 <30 and 0< <60, compare…

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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: The power emitted at the antenna of a base stationis 50 Watts. At the edge of the cell the signal…

A: Power emitted by the antenna of a base station = 50 Watts Power emitted/Transmitted in dB Pt = 10…

Q: What is the wavelength of a microwave oven when it's radiating?

A: The solution is provided in the following section:

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: Skample 1: Consider an antenna transmitting a power of low at goOMHz. Calculate the received signal…

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Q: A car is driven at the speed of 90 km/h on the road, CALCULATE the received carrier frequency if the…

A: Whenever the source wave is moving the with respect to observer the doppler effect is considered.…

Q: 1. In a Long range microwave communication system operating at a 12GHZ, the transmitting and…

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Q: The maximum radar cross section for a resonant half-wave length dipole is 0.85A2. the frequency is…

A: Given, Frequency, f=10 GHz Distance, R=1000 m Gain of the transmitter, Gt=20 dB Gain of the…

Q: Find the wavelength of a carrier wave with a frequency of 100 MHz.

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Q: A radar antenna used for both transmitting and receiving has a gain of 200 at its operating…

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Q: A transmitter has a power output of 150 W at a carrier frequency of 32Mhz. It is connected to an…

A: Given: Pr=150 Wf=32 MHzGt(dB)=12 dBiR=10 kmGr(dB)=5 dBi Assume free space propagation.

Q: Find out the field strength at 1 km away from a isotropic station of 1 kW power. Solution. The field…

A: Given data: The power radiated by the isotropic station is P=1 kW=1000 W. The distance from the…

Q: Calculate the power density 25 km away from a 90% efficient dipole if the transmit power is 125W.

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Q: For an antenna system, the transmitted and the received powers are 50 W and 25 W respectively.…

A: For an antenna system, if Pt and Pr represent the transmitted and the received power by the…

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…

Q: Find the maximum range of a tropospheric transmission for which the transmitting åntenna height is…

A: Given information: Height of the transmitting antenna is Ht=100 ft Height of the receiving antenna…

Q: q1) Consider a transmitter which radiates a sinusoidal carrier frequency of 2250 MHz. For a vehicle…

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Q: Design an air-filled circular waveguide such that only the dominant mode will propagate over a…

A: Waveguides- It is a linear structure that transmits electromagnetic waves. Losses occur at the…

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: Show that the directivity of isotropic antenna is 1.

A: Directivity is a very important antenna parameter and it is used to understand how efficiently an…

Q: A radar antenna used for both transmitting and receiving has a gain of 150 at its operating…

A: The received signal power is given by the expression as shown below: Pr=PtAe2σ4πλ2R4Pt=Transmitted…

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

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Q: Consider a lossless antenna with a directive gain of +6 dB. If 1 mW of power is fed to it the total…

A: Solution Lossless antenna with directive gain of +6dB = 100.6 =4 (In linear) Input power to antenna…

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

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Q: please do it correctly.. A system starts with omnidirectional transmit antennas. This produces a…

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Q: What is the free space loss, in dB, between two microwave parabolic antennas 38.0 kilometer apart…

A: Given: Two microwave parabolic antennasd=38 kmf=5 GHz

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

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

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

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

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Q: A radar antenna, used for both transmitting and receiving, has a gain of 150 (dimensionless) at its…

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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: A parabolic antenna with a dish diameter of 4.5 m operates at frequency of 2.5 GHz (assumed uniform…

A: The detail solution in the image

Q: The lowest value of the transmitted power of a pulsed radar signal in order to detect a target area…

A: It is given that: Cross-sectional area=σ=10 m2Distance=D=120 kmFrequency=ν=35 GHzGain=G(dB)=34 dBSo,…

Q: Directivity of an antenna is given as 20 dB. If the antenna is transmitting at 300 MHz, then what…

A: The directivity (D) of an antenna depends on the effective aperture (Ae) of the antenna and their…

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.