a transmitter is operating at 150 MHz with a power of 3 W into a one-quarter wavelength vertical antenna. The receiver, which is 32.2 km away, has an antenna with a gain of 8 dB. What is the received power?

Answers

Answer 1

The received power will be 1.243 nW

We're given:

frequency [tex]f[/tex] = 150MHz

distance of the receiver [tex]d[/tex] = 32.2 km=32200m

Power of transmitter [tex]P_{t}[/tex] = 3W

Antenna gain = 8dB

To find :

Power received [tex]P_{r}[/tex]

[tex]P_{r}= \frac{P_{t} *G_{t}*G_{r}* \lambda^2 }{16*\pi^2*d^2}[/tex]

where [tex]G_{t[/tex] is transmit gain and [tex]G_{r[/tex] is receive gain as refrenced to isotropic source

⇒wavelength [tex]\lambda = \frac{c}{f}[/tex] where c is the speed of the light

⇒  [tex]\lambda = \frac{3*10^8}{150*10^6} =2m[/tex]

[tex]G_{t}= 1*1.64[/tex] ( value of [tex]dipole[/tex] = 1.64)

Now,

Antenna gain[tex]=8dB[/tex] ( in decibals)

⇒[tex]10log(x)=8[/tex]

⇒[tex]x=10^0^.^8=6.3095[/tex]

⇒ considering isotropic receiver

⇒[tex]G_{r}=6.3095*1.64=10.3477[/tex] ([tex]dipole[/tex] =1.64)

Now , using the formula

[tex]P_{r}= \frac{3 *1.64*10.3477 *2^2 }{16*\pi^2*32200^2}=1.2437*10^-^9[/tex]

Hence The received power will be 1.243 nW

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100pts!!!! It can be challenging to create algorithms that are not biased towards minority groups because machine learning works by _____. Select 2 options.


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Answer:

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Answers

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I would have to go with A

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{

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Answer:

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Answers

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Answer:

Explanation:

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Please hit the thanks button :)

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An example of radical technological change is a metromile which is a US car insurance company.

I hope it helps you.

How many times is the second for loop going to loop in this block of code? Write your answer in numeric form in the box provided.
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Answers

Explanation:

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How to hack somone is illegal but for study purposes there is yt tutorials that I recommend You watch because hacking is not simple and it requires a pc or laptop There is multiple ways to hack somone as well A commAn way for hacking is to self fake links

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Answer:

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A design be altered so that additional copies of print statements would not be needed by changing the format spring.

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Why when I send a message on iOS it says the person’s notification is silenced, and the message isn’t delivered?

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Answer:

This is because the other person has "Focus Mode" turned on. When this is turned on, all of your messages that you send to him/her will be silenced.

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DevOps can be defined as a set of tools, processes, practices, and a cultural philosophy that are combined so as to help in automating and integrating the processes that exist between software development and information technology (IT) teams.

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state four input device that are used for playing gaming programs​

Answers

Answer:

Mouse, Keyboard, Headphones, Charger.

Explanation:

These can be plugged into the computer for gaming and other uses.

Answer:

mouse

joystick

keyboard

headset

Explanation:

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Answers

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