menu search
person

Compare ground wave propagation. Sky wave propagation and space wave propagation.

Compare ground wave propagation. Sky wave propagation and space wave propagation.
thumb_up_alt 0 like thumb_down_alt 0 dislike
8 views
ago by

1 Answer

Sr. N o
 		Parameter
 Ground Wave Propagation
 		Sky Wave Propagation
 		Space wave Propagation
1 Frequency Range
 30 kHz to 3 MHz 
 3 MHz to 30 MHz
 frequencies above 30 MHz
2 Polarization
 Vertical
 vertical
 Horizontal
3 Applications
 Radio Broadcasting (MW Range)
 Radio Broadcasting (SW Range)
 Satellite communication, TV , frequency modulation broadcast, RADAR system etc
4 Range of Communication
 Less (OR) Few hundred Km
 More (OR) Few Thousand Km
 More (OR) Few Thousand Km
5 Limitations
 Limited Range, Tall Antenna Required, High transmission power.
 Skip Distance, Power loss due to absorption of energy in layers.
 These waves are limited to the curvature of the earth. 2. These waves have line of sight propagation, ...
6 Fading Problem
 less
 Severe
 Less
thumb_up_alt 0 like thumb_down_alt 0 dislike
ago by
← Prev Question Next Question →

Related questions

Compare ground wave and space wave propagation on the basis of: (i) Frequency range (ii) Method of propagation.
Description :

Compare ground wave and space wave propagation on the basis of: (i) Frequency range (ii) Method of propagation.

Answer :

Compare ground wave and space wave propagation on the basis of: (i) Frequency range (ii) Method of propagation.

thumb_up_alt 0 like thumb_down_alt 0 dislike
4 views 1 answer
asked Feb 23 by anonymous
Compare sky wave and space wave propagation w.r.t. following points. (i) Frequency range (ii) Effect of fading (iii)Polarization (iv)Application
Description :

Compare sky wave and space wave propagation w.r.t. following points. (i) Frequency range (ii) Effect of fading (iii)Polarization (iv)Application

Answer :

Sr. No  Parameters Sky Wave Propagation Space Wave Propagation 1 Frequency range 3 MHz to 30 MHz  Above 30 MHz 2 Effect of fading Problem of fading is ... horizontally Polarized 4 Application RadioBroadcasting (SW Range) Used for TV and FM broadcasting

thumb_up_alt 0 like thumb_down_alt 0 dislike
13 views 1 answer
asked Jan 13 by anonymous
Describe the effect of ionosphere on sky wave propagation.
Description :

Describe the effect of ionosphere on sky wave propagation.

Answer :

The Ionosphere is the upper portion of the atmosphere. The ultra violet radiation from the sun will ionize the upper layer of the atmosphere. In this layer free electrons and positive and negative ions are ... layer. Its Frequency Range is from 3 MHz to 30 MHz Polarization: Vertical.  

thumb_up_alt 0 like thumb_down_alt 0 dislike
2 views 1 answer
asked Feb 23 by anonymous
The VLF and LF bauds use .............. propagation for communication. (A) Ground (B) Sky (C) Line of sight (D) Space
Description :

The VLF and LF bauds use .............. propagation for communication. (A) Ground (B) Sky (C) Line of sight (D) Space

Answer :

Answer: A Explanation: VLF (Very Low Frequency) LF (Low Frequency) In general there are three type of propagation.1.Ground Propagation 2.Sky propagation 3.Line-of-sight propagation ... portion of the atmosphere. These low-frequency signals travel in all directions from the transmitting antenna.

thumb_up_alt 0 like thumb_down_alt 0 dislike
10 views 1 answer
asked Feb 9 by anonymous
Define critical frequency w.r. to wave propagation.
Description :

Define critical frequency w.r. to wave propagation.

Answer :

Define critical frequency w.r. to wave propagation.

thumb_up_alt 0 like thumb_down_alt 0 dislike
1 view 1 answer
asked 6 days ago by anonymous
Explain virtual height with respect to wave propagation with neat sketch.
Description :

Explain virtual height with respect to wave propagation with neat sketch.

Answer :

In ionization layer the incident wave refracts and bends down gradually than sharply.   The incident and refracted rays follow paths that are exactly the same as they would have been if reflection had taken place from a surface located at a greater height called virtual height of this layer. 

thumb_up_alt 0 like thumb_down_alt 0 dislike
3 views 1 answer
asked 6 days ago by anonymous
Explain the transverse electromagnetic waves in wave propagation.
Description :

Explain the transverse electromagnetic waves in wave propagation.

Answer :

1. The electromagnetic waves are oscillations, which propagate through free space. 2. Em wave travel in free space at the speed of light. 3. Figure shows the simple EM wave, in which the direction of ... electromagnetic waves (TEM). Diagram:- Transverse electromagnetic wave(TEM) OR

thumb_up_alt 0 like thumb_down_alt 0 dislike
4 views 1 answer
asked Feb 23 by anonymous
Explain the following in wave propagation: 1) Actual height 2) Virtual height
Description :

Explain the following in wave propagation: 1) Actual height 2) Virtual height

Answer :

1) Actual height:- The height attained by the wave during propagation through the ionosphere is known as Actual height. 2)Virtual height: -The incident wave returns back to the earth due to ... It is also defined as the maximum height that the hypothetical reflected wave would have reached.

thumb_up_alt 0 like thumb_down_alt 0 dislike
18 views 1 answer
asked Feb 23 by anonymous
Explain ground wave propogation with neat sketch.
Description :

Explain ground wave propogation with neat sketch. 

Answer :

Sketch-   Explanationi) It consists of direct wave which travels near the ground from Transmitter to Receiver. ii) The electromagnetic wave leaves the transmitting antenna & remains close to earth surface ... . The ground wave is the path chosen when frequency in between 30 KHz & 3 MHz 

thumb_up_alt 0 like thumb_down_alt 0 dislike
5 views 1 answer
asked 6 days ago by anonymous
The polarization required in ground wave propagation is
Description :

Answer :

The polarization required in ground wave propagation is vertical (linear).

thumb_up_alt 0 like thumb_down_alt 0 dislike
151 views 1 answer
asked Mar 31, 2018 by anonymous
Explain duct propagation with neat sketch.
Description :

Explain duct propagation with neat sketch.

Answer :

Duct propagation is a special type and used for very high microwave frequencies. New phenomenon which occurs in super-refraction, also known as ducting. As the height above earth increases, ... in the standard atmosphere. The Duct propagation is used for very high frequencies in GHz range.

thumb_up_alt 0 like thumb_down_alt 0 dislike
3 views 1 answer
asked 6 days ago by anonymous
Describe line of sight propagation in brief.
Description :

Describe line of sight propagation in brief.

Answer :

Line of sight propagation or Space wave propagation:-   Explanation:- Space wave propagation of electromagnetic energy includes radiated energy that travels in the lower few miles of Earth's ... waves reflected by Earth's surface as they propagate between the transmit and receive antennas. 

thumb_up_alt 0 like thumb_down_alt 0 dislike
1 view 1 answer
asked Feb 23 by anonymous
Compare between simplex and full duplex communication on the basis of: 1) Definition 2) Sketch
Description :

Compare between simplex and full duplex communication on the basis of: 1) Definition 2) Sketch

Answer :

Compare between simplex and full duplex communication on the basis of: 1) Definition 2) Sketch

thumb_up_alt 0 like thumb_down_alt 0 dislike
1 view 1 answer
asked 6 days ago by anonymous
Compare PAM, PWM, and PPM on the basis of i. Variable characteristics ii. Bandwidth iii. Information contained in iv. Transmitted power
Description :

Compare PAM, PWM, and PPM on the basis of i. Variable characteristics ii. Bandwidth iii. Information contained in iv. Transmitted power

Answer :

Compare PAM, PWM, and PPM on the basis of i. Variable characteristics ii. Bandwidth iii. Information contained in iv. Transmitted power

thumb_up_alt 0 like thumb_down_alt 0 dislike
1 view 1 answer
asked 6 days ago by anonymous
Compare TRF and super heterodyne receivers.
Description :

Compare TRF and super heterodyne receivers.

Answer :

Compare TRF and super heterodyne receivers. 

thumb_up_alt 0 like thumb_down_alt 0 dislike
1 view 1 answer
asked Feb 23 by anonymous
Compare resonant and non-resonant antennas.
Description :

Compare resonant and non-resonant antennas.

Answer :

Distinguish between resonant and non-resonant antennas.

thumb_up_alt 0 like thumb_down_alt 0 dislike
6 views 2 answers
asked Feb 23 by anonymous
Compare between FM and PM
Description :

Compare between FM and PM 

Answer :

PARAMETERS FM PM 1. Variable parameter of carrier. Frequency Phase 2. Variable parameter proportional to modulating voltage.  Frequency deviation Phase deviation.  3. Amplitude ... for transmitted power More Moderate 6. Signal to noise ratio Best Better

thumb_up_alt 0 like thumb_down_alt 0 dislike
4 views 1 answer
asked Feb 23 by anonymous
Compare between simplex and duplex communication
Description :

Compare between simplex and duplex communication 

Answer :

simplex and duplex communication :

thumb_up_alt 0 like thumb_down_alt 0 dislike
13 views 1 answer
asked Feb 23 by anonymous
Show that AM wave consist of two side bands and carrier. Also prove the bandwidth of AM is double of the modulating frequency.
Description :

Show that AM wave consist of two side bands and carrier. Also prove the bandwidth of AM is double of the modulating frequency.

thumb_up_alt 0 like thumb_down_alt 0 dislike
6 views 0 answers
asked 6 days ago by anonymous
Define electromagnetic wave and polarization.
Description :

Define electromagnetic wave and polarization.

Answer :

Electromagnetic wave:-An electromagnetic wave such as light consists of a coupled oscillating electric field and magnetic field which are always perpendicular; by convention Polarization:-polarization" of electromagnetic waves refers to the direction of the electric field.

thumb_up_alt 0 like thumb_down_alt 0 dislike
6 views 1 answer
asked Feb 23 by anonymous
Describe the term virtual height with the help of diagram showing ionized layer and the path of wave.
Description :

Describe the term virtual height with the help of diagram showing ionized layer and the path of wave.

Answer :

Virtual height: -The incident wave returns back to the earth due to refraction. In this process it bends down gradually and not sharply, but the incident and reflected rays follow exactly ... . It is also defined as the maximum height that the hypothetical reflected wave would have reached. 

thumb_up_alt 0 like thumb_down_alt 0 dislike
2 views 1 answer
asked Feb 23 by anonymous
For transmission line, the incident voltage Ei = 6V, and Er = 3V. Calculate: (1) Reflection coefficient (2) Standing wave ratio
Description :

For transmission line, the incident voltage Ei = 6V, and Er = 3V. Calculate: (1) Reflection coefficient (2) Standing wave ratio

Answer :

(1)Reflection coefficient  (2) Standing wave ratio (1)Reflection coefficient Reflection coefficient R=Er/Ei  =3/6  R=0.5 (2) Standing wave ratio SWR=Ei+Er/Ei-Er  =6+3/6-3  SWR =3

thumb_up_alt 0 like thumb_down_alt 0 dislike
3 views 1 answer
asked Feb 23 by anonymous
List and explain the properties of quarter wave transformer.
Description :

List and explain the properties of quarter wave transformer.

Answer :

Properties of quarter wave transformer: 1. Impedance transfomation: it provides impedance transformation upto the highest frequencies and is compatible with transmission line. 2. Impedance inversion: if ZL is ... or step up transformer,depending on whether ZL IS greater than or less than ZO.

thumb_up_alt 0 like thumb_down_alt 0 dislike
1 view 1 answer
asked Feb 23 by anonymous
A load of 200 ohm is used to match 300 ohm transmission line to achieve SWR=1. Find out the required characteristic impedance of a quarter of a quarter wave transformer connected directly to the load.
Description :

A load of 200 ohm is used to match 300 ohm transmission line to achieve SWR=1. Find out the required characteristic impedance of a quarter of a quarter wave transformer connected directly to the load.

Answer :

Solution :

thumb_up_alt 0 like thumb_down_alt 0 dislike
8 views 1 answer
asked 6 days ago by anonymous
Why electromagnetic waves are said to be transverse wave ? Explain.
Description :

Why electromagnetic waves are said to be transverse wave ? Explain.

Answer :

The electromagnetic waves are oscillations which propagate through free space. In electromagnetic waves the direction of electric field, magnetic field & propagation are mutually perpendicular. Hence electromagnetic waves are called as transverse wave.

thumb_up_alt 0 like thumb_down_alt 0 dislike
6 views 1 answer
asked 6 days ago by anonymous
How quarter wave transformer is used for impedance matching.
Description :

How quarter wave transformer is used for impedance matching. 

Answer :

In all applications of transmission line, it is required that the load be matched to line, Which requires tuning out the unwanted load reactance and the transformation of resulting impedance to the required value ... Step down transformer If ZL <Zo then it acts as a Step up transformer  

thumb_up_alt 0 like thumb_down_alt 0 dislike
7 views 1 answer
asked Feb 23 by anonymous
Draw the radiation pattern for Dipole antenna: (i) Half wave dipole (ii) Folded dipole.
Description :

Draw the radiation pattern for Dipole antenna: (i) Half wave dipole (ii) Folded dipole.

Answer :

The radiation pattern for Half wave dipole antenna The radiation pattern for Folded dipole antenna.

thumb_up_alt 0 like thumb_down_alt 0 dislike
5 views 1 answer
asked Feb 23 by anonymous
Define standing wave ratio.
Description :

Define standing wave ratio. 

Answer :

Standing wave ratio is defined as the ratio of maximum voltage (Vmax) to minimum voltage (Vmin). Standing wave ratio is also defined as the ratio of maximum current (Imax) to minimum current (Imin).

thumb_up_alt 0 like thumb_down_alt 0 dislike
11 views 1 answer
asked Feb 23 by anonymous
An astronaut in outer space will observe sky as (1) white (2) black (3) blue (4) red
Description :

An astronaut in outer space will observe sky as (1) white (2) black (3) blue (4) red

Answer :

black

thumb_up_alt 0 like thumb_down_alt 0 dislike
8 views 1 answer
asked Feb 5 by anonymous
The cloudy nights are warmer compared to clear nights (without clouds) during winter days. This is because: (A) clouds radiate heat towards the earth (B) clouds prevent cold wave from the sky, descend on earth (C) clouds prevent escaping of the heat radiation from the earth (D) clouds being at great heights from earth absorb heat from the sun and send towards the earth
Description :

The cloudy nights are warmer compared to clear nights (without clouds) during winter days. This is because: (A) clouds radiate heat towards the earth (B) clouds prevent cold wave from the sky, descend on earth (C) clouds prevent escaping of the heat radiation from the earth (D) clouds being at great heights from earth absorb heat from the sun and send towards the earth

Answer :

(C) clouds prevent escaping of the heat radiation from the earth

thumb_up_alt 0 like thumb_down_alt 0 dislike
4 views 1 answer
asked Feb 11 by anonymous
The colour of sky appears blue due to (1) reflection (2) refraction (3) scattering of shorter wave lengths (4) dispersion
Description :

The colour of sky appears blue due to (1) reflection (2) refraction (3) scattering of shorter wave lengths (4) dispersion

Answer :

scattering of shorter wave lengths

thumb_up_alt 0 like thumb_down_alt 0 dislike
4 views 1 answer
asked Jan 21 by anonymous
Compare indoor and outdoor sub-station on given points : (i) Capital cost (ii) Time required for completion (iii) Availability of natural light (iv) Space required
Description :

Compare indoor and outdoor sub-station on given points : (i) Capital cost (ii) Time required for completion (iii) Availability of natural light (iv) Space required 

Answer :

Sr. No.  Points Indoor substation Outdoor substation  1 Capital cost High, as construction work cost is more.  Less, as construction work cost is less 2 Time required for ... time. So it saves electrical energy & its cost 4 Space Require Less More

thumb_up_alt 0 like thumb_down_alt 0 dislike
67 views 1 answer
asked Aug 25, 2019 by anonymous
Define fading w.r.t. wave propagation.
Description :

Define fading w.r.t. wave propagation. 

Answer :

Fading: The fluctuation in signal strength at a receiver, which is mainly due to the interference of two waves which left the same source but arrived at the destination by different paths, is known as fading. 

thumb_up_alt 0 like thumb_down_alt 0 dislike
10 views 1 answer
asked Jan 12 by anonymous
The true statement for wave propagation in rectangular wave guides filled with air is:
Description :

The true statement for wave propagation in rectangular wave guides filled with air is: a. The phase velocity is equal to velocity of light in air b. The phase velocity is always more than the velocity of light in air c. The phase velocity is always less than the velocity of light in air d. The phase velocity is un-defined.

thumb_up_alt 0 like thumb_down_alt 0 dislike
72 views 0 answers
asked Apr 12, 2018 by anonymous
Draw practical set-up and explain the procedure to measure selectivity of radio receiver.
Description :

Draw practical set-up and explain the procedure to measure selectivity of radio receiver.

Answer :

Procedure to measure selectivity of radio receiver: Throughout the measurement the receiver is kept tuned to desired frequency 950 Khz. Now the generator output frequency is deviated below ... the generator output voltage is adjusted to get a standard 50 miliwatt receiver output power.

thumb_up_alt 0 like thumb_down_alt 0 dislike
2 views 1 answer
asked 6 days ago by anonymous
Draw and label the circuit diagram of ratio detector
Description :

Draw and label the circuit diagram of ratio detector 

Answer :

Draw and label the circuit diagram of ratio detector  

thumb_up_alt 0 like thumb_down_alt 0 dislike
3 views 1 answer
asked 6 days ago by anonymous
Draw the structure and state applications of: i) Ferrite loop (rod) antenna ii) Horn antenna
Description :

Draw the structure and state applications of: i) Ferrite loop (rod) antenna ii) Horn antenna

Answer :

Horn antenna: Application:- i) Used at microwave frequency. ii) Used in satellite tracking.  Ferrite loop antenna: Application:- In Am radio receiver to receive MW and SW band signals. In FM radio receiver

thumb_up_alt 0 like thumb_down_alt 0 dislike
3 views 1 answer
asked 6 days ago by anonymous
Calculate the characteristics impedance for a transmission line having L=0.5 mH/Km, C=0.08 µF and negligible R and G.
Description :

Calculate the characteristics impedance for a transmission line having L=0.5 mH/Km, C=0.08 µF and negligible R and G.

Answer :

L=0.5 mH/Km C=0.08 µF

thumb_up_alt 0 like thumb_down_alt 0 dislike
4 views 1 answer
asked 6 days ago by anonymous
State the need of stub. Explain single stub and double stub matching.
Description :

State the need of stub. Explain single stub and double stub matching.

Answer :

Stub:- Stub is the piece of short circuited transmission line which is used to tune out the reactance of the load when connected across the transmission line as close as possible. ... but lengths are independently adjustable. The double stub matching provides wide range of impedance matching.  

thumb_up_alt 0 like thumb_down_alt 0 dislike
2 views 1 answer
asked 6 days ago by anonymous
Define and explain the term beam width related to antenna with a sketch.
Description :

Define and explain the term beam width related to antenna with a sketch.

Answer :

Definition: The beam width of an antenna is described as the angles created by comparing the half power point (3dB) on the main radiation lobe to its maximum power point. As an example the beam width ... max voltage at center of lobe (these point are known as half power points.) Sketch-  

thumb_up_alt 0 like thumb_down_alt 0 dislike
1 view 1 answer
asked 6 days ago by anonymous
State and explain the concept of transmission bandwidth.
Description :

State and explain the concept of transmission bandwidth.

Answer :

Bandwidth is defined as the portion of the electromagnetic spectrum occupied by a signal We may also define the bandwidth as the frequency range over which as information signal is transmitted. Bandwidth is the ... to 15 KHZ. Therefore the bandwidth is(f2-f1) BW= f2 - f1= 15000-20=14980Hz

thumb_up_alt 0 like thumb_down_alt 0 dislike
2 views 1 answer
asked 6 days ago by anonymous
Draw block diagram of FM receiver and explain the use of limiter circuit.
Description :

Draw block diagram of FM receiver and explain the use of limiter circuit.

Answer :

Diagram Explanation Amplitude limiter: The function of amplitude limiter is to remove all amplitude variation of FM carrier voltage that may occur due to atmospheric disturbances. Use of amplitude limiter makes the system less noisy.

thumb_up_alt 0 like thumb_down_alt 0 dislike
4 views 1 answer
asked 6 days ago by anonymous
Explain working of envelope detector with suitable diagram and waveform.
Description :

Explain working of envelope detector with suitable diagram and waveform.

Answer :

Envelope Detector: An Envelope Detector is an electronic circuit that takes a high frequency signal as input and provides an output which is as envelopes of the original signal. The capacitor ... decreases the responsiveness thus, real-world designs must be optimized for the application.

thumb_up_alt 0 like thumb_down_alt 0 dislike
2 views 1 answer
asked 6 days ago by anonymous
Draw construction of Yagi-Uda antenna and explain.
Description :

Draw construction of Yagi-Uda antenna and explain.

Answer :

Explanation A Yagi-Uda antenna, commonly known as a Yagi antenna, is a directional antenna consisting of multiple parallel elements in a line, usually half-wave dipoles made of ... receiver with a transmission line and additional parasitic elements called reflector and one or more directors.

thumb_up_alt 0 like thumb_down_alt 0 dislike
13 views 1 answer
asked 6 days ago by anonymous
Draw waveform for standing waves on an open and shorted line. Prove that impedance is inverted at every quarter wavelength interval.
Description :

Draw waveform for standing waves on an open and shorted line. Prove that impedance is inverted at every quarter wavelength interval.

Answer :

Waveform- Explanation When the transmission line is short circuited voltage is zero and current is maximum.The variation is according to the wavelength. When the ... The pattern repeats for every half wavelength. Thus impedance is inverted at every quarter wavelength interval.

thumb_up_alt 0 like thumb_down_alt 0 dislike
3 views 1 answer
asked 6 days ago by anonymous
a) For a transmission line, Find SWR and reflection coefficient R if, i. There is no reflected voltage. ii. Reflected voltage and incident voltage is equal. iii. If reflected voltage=20V and incident voltage=10V. iv. If reflected voltage=10V and incident voltage =20V.
Description :

a) For a transmission line, Find SWR and reflection coefficient R if, i. There is no reflected voltage. ii. Reflected voltage and incident voltage is equal. iii. If reflected voltage=20V and incident voltage=10V. iv. If reflected voltage=10V and incident voltage =20V.

Answer :

reflection coefficient R=Vr/Vi i. There is no reflected voltage. i.e,Vr=0 R=0 SWR= 1+R/1-R=1 ii. Reflected voltage and incident voltage is equal. Vr=Vi; R=1 SWR= 1+R/1-R=1+1/1-1=infinity iii. If reflected ... and incident voltage =20V. Vr=10 and Vi=20 R=10/20=0.5 SWR= 1+R/1-R=1+.5/1-.5=3 

thumb_up_alt 0 like thumb_down_alt 0 dislike
3 views 1 answer
asked 6 days ago by anonymous
Define PAM, PWM, and PPM. Draw waveforms.
Description :

Define PAM, PWM, and PPM. Draw waveforms.

Answer :

Pulse amplitude modulation is defined as a process of varying the amplitude of the carrier pulse in accordance to the modulating signal variations. Pulse width modulation is defined as a ... of varying the position of the carrier pulse, in accordance to the modulating signal variations.

thumb_up_alt 0 like thumb_down_alt 0 dislike
5 views 1 answer
asked 6 days ago by anonymous
A super heterodyne AM receiver is tuned to a station operating at 1200 KHz .Find local oscillator frequency and image frequency.
Description :

A super heterodyne AM receiver is tuned to a station operating at 1200 KHz .Find local oscillator frequency and image frequency.

Answer :

A super heterodyne AM receiver is tuned to a station operating at 1200 KHz Intermediate frequency is 455KHz. IF frequency=f0-fs Local oscillator frequency is f0=IF +fs=455K+1200K=1655kHz The image frequency which gives the same IF is f0+2*IF=2110KHz

thumb_up_alt 0 like thumb_down_alt 0 dislike
17 views 1 answer
asked 6 days ago by anonymous
Draw and explain block diagram of electronic communication system.
Description :

Draw and explain block diagram of electronic communication system.

Answer :

Block diagram of electronic communication system. Explanation Transducer: A transducer is usually required to convert the output of a source into an electrical signal that is suitable for ... etc. Output Transducer: The output transducer converts electrical signal in to sound signal.  

thumb_up_alt 0 like thumb_down_alt 0 dislike
52 views 1 answer
asked 6 days ago by anonymous
Explain how modulation reduces height of antenna and avoid mixing of signals.
Description :

Explain how modulation reduces height of antenna and avoid mixing of signals.

Answer :

Modulation reduces antenna height: For the transmission of radio signals, the antenna height must be multiple of λ/4 ,where λ is the wavelength . λ = c /f where c : is the ... will occupy different slots in the frequency domain (different channels). Thus, modulation avoids mixing of signals.

thumb_up_alt 0 like thumb_down_alt 0 dislike
10 views 1 answer
asked 6 days ago by anonymous
editAsk a Question
...