What are three ways of controlling radiated emi during  transmission?

1 Answer

Answer :

a) physical separation of the antenna (b) limiting bandwidth of  the antenna (c) use of directional antennas

Related questions

Description : What are three ways of controlling the amount of transmitter-generated emi?

Last Answer : (a) filtering and shielding of the transmitter (b) limiting bandwidth (c) cutting the antenna to the

Description : What are the two emi transmission methods?

Last Answer : . Conduction and radiation.

Description : Motors, switches, voltage regulators, generators, etc., are a few examples of emi sources. What type of emi comes from these sources?

Last Answer : Man-made.

Description : Thunderstorms, snowstorms, cosmic sources, the sun, etc., are a few examples of emi sources. What type of emi comes

Last Answer : Natural.

Description : What are the two main sources of emi with which radio waves must compete?

Last Answer : Natural and man-made interference.

Description : What is emi?

Last Answer : Electromagnetic interference.

Description : When a wavefront is radiated into a waveguide, what happens to the portions of the wavefront that do not satisfy the boundary conditions?

Last Answer : Decrease to zero.

Description : If a target is on the bearing axis of the radiated beam, what is the input to the bearing IF channel?

Last Answer : Zero.

Description : What width is the pulse radiated by fire-control tracking radar?

Last Answer : Very narrow.

Description : What characteristic(s) of radiated energy is (are) altered to achieve electronic scanning?

Last Answer : Frequency or phase.

Description : What is the polarization of the energy radiated by a vertical slot?

Last Answer : Horizontal.

Description : How many major lobes are radiated by a parabolic reflector?

Last Answer : One

Description : What is the term that is used to describe narrowness in the radiated beam of an antenna?

Last Answer : Antenna directivity.

Description : An antenna efficiency is computed by using one of the following equations. A. Efficiency = (radiation resistance / transmission resistance) B. Efficiency = (total resistance / radiation resistance) x ... / transmitter output) x 100% D. Efficiency = (radiation resistance / total resistance) x 100%

Last Answer : D. Efficiency = (radiation resistance / total resistance) x 100%

Description : What type of transmission is radiated from an aircraft’s radio altimeter antenna? A. An amplitude modulated continuous wave B. A pulse position modulated UHF signal C. A differential phase shift keyed UHF signal D. A frequency modulated continuous wave

Last Answer : D. A frequency modulated continuous wave

Description : What is meant by the term antenna efficiency? A. Efficiency = effective radiated power/transmitter output x 100% B. Efficiency = radiation resistance/ transmission resistance C. Efficiency = total resistance/radiation resistance x 100% D. Efficiency = radiation resistance/total resistance x 100%

Last Answer : D. Efficiency = radiation resistance/total resistance x 100%

Description : What is meant by antenna gain? A. The final amplifier gain minus the transmission line losses (including any phasing lines present) B. The ratio of the amount of power produced by the antenna ... D. The numeric ratio relating the radiated signal strength of an antenna to that of another antenna

Last Answer : D. The numeric ratio relating the radiated signal strength of an antenna to that of another antenna

Description : What is the full form of 'EMI' ? -How To ?

Last Answer : The full form of 'EMI' is Equated Monthly Instalment

Description : Why Fiber Optics Cable is EMI Free ?

Last Answer : Since fiber optics is made of insulating material, it is free from electromagnetic effects or EMI. The components of fiber optics are soda , boro silicate , soda lime silicate and soda alumina silicate ... and plastic is also an insulating material. As a result, fiber optics is always EMI free

Description : Want an Emi number for a Xiaomi Redmi 6 phone ? Can anyone give imei of xiaomi redmi 8a phone . Tell me what color it is and what color it is.

Last Answer : Imei number of any mobile does not match with any mobile. To know the Imei number of any mobile , dial * # 06 # from that phone.

Last Answer : Equal Monthly Installment of EMI

Description : Is the interference coming from other communications channels? A. Jitter B. Crosstalk C. RFI D. EMI

Last Answer : B. Crosstalk

Description : Unwanted radio signal on assigned frequency. A. Splatter B. RFI C. Noise D. EMI

Last Answer : C. Noise

Description : Fiber-optic cables do not: a. carry current b. cause crosstalk c. generate EMI d. all of the above

Last Answer : d. all of the above

Description : . Which type of variable resistor should you select for controlling a large amount of current?

Last Answer : The rheostat.

Description : What is the meaning of forward power? A. The power traveling from the transmitter to the antenna. B. The power radiated from the top of an antenna system. C. The power produced during the positive half of an RF cycle. D. The power used to drive a linear amplifier.

Last Answer : A. The power traveling from the transmitter to the antenna.

Description : What three factors must be considered in the transmission of a surface wave to reduce attenuation?

Last Answer : (a) electrical properties of the terrain (b) frequency (c) polarization of the antenna

Description : . What are two of the three physical factors that determine the values of capacitance and inductance of a transmission line?

Last Answer : (1) Type of line used, (2) dielectric in the line, and (3) length of line.

Description : What are the three types of line losses associated with transmission lines?

Last Answer : Copper, dielectric, and radiation.

Description : Name three advantages of cw transmission

Last Answer : A high degree of clarity even under severe noise conditions, long-range operation, and narrow bandwidth.

Description : What are the three requirements for cw transmission?

Last Answer : A method of generating oscillations, a method of turning the oscillations on and off (keying), and an antenna to radiate the energy.

Description : Technical manuals for tape recorders can state the SNR in what three different ways?

Last Answer : a. Root-mean-square (RMS) signal-to-RMS noise. b. Peak-to-peak signal-to-RMS noise. c. Peak signal-to-RMS noise.

Description : In what three ways are fuses rated?

Last Answer : Current, voltage, and time delay.

Description : What are the three ways of combining cells, and what is each used for?

Last Answer : Series, to increase voltage but not current. Parallel, to increase current but not voltage. Series-Parallel, to increase both current and

Description : Describe three ways to prevent polarization.

Last Answer : Vent the cell, add a material rich in oxygen, and use a material that will absorb hydrogen.

Description : Describe three ways to prevent polarization

Last Answer : vent the cell, add a material rich in oxygen, and use a material that will absorb hydrogen.

Description : Is solar energy radiated?

Last Answer : Yes, among other ways, solar energy is radiated. That is whatheats up the Earth and the other planets, mostly.

Description : How many radiated tortoises are left?

Last Answer : What is the answer ?

Description : what happened to the baby that radiated light that was introduced in the 1st episode in my hero academia?

Last Answer : The baby that radiated light was baby All Might.

Description : Which of the following asborbs part of the insolation and preserves earth's radiated heat? (1) Oxygen (2) Nitrogen (3) Water vapour (4) Carbon-dioxide

Last Answer : (3) Water vapour Explanation: The amount of solar energy reaching the Earth is 70 percent. The surface of the Earth absorbs 51 percent of the insolation. Water vapor and dust account for ... directly to outer space). This radiant energy is re-radiated in the atmosphere horizontally and vertically.

Description : Which of the following is most important for absorption of heat radiated from the Sun as well as from the Earth? (1) Carbon dioxide (2) Oxygen (3) Carbon monoxide (4) Nitrogen

Last Answer : (1) Carbon dioxide Explanation: Carbon dioxide is a green house gas that absorbs heat radiated from the Sun as well as re-radiated heat from the Earth's surface.

Description : Which of the following reaction is the main cause of energy radiated from Sun? (1) Nuclear fission (2) Nuclear fusion (3) Chemical reaction (4) Diffusion reaction

Last Answer : (2) Nuclear fusion Explanation: The Sun is a main-sequence star, and thus generates its energy bynuclear fusion of hydrogen nuclei into helium. In its core, the Sunfuses 620 million metric tons of hydrogen each second.

Description : The power fed to a two-bay turnstile antenna is 100 watts. If the antenna has a 2 dB power gain, what is the effective radiated power? A. 317 watts B. 158 watts C. 200 watts D. 400 watts

Last Answer : B. 158 watts

Description : _____ of an antenna is a measure of how the antenna concentrates its radiated power in a given direction. A. Efficiency B. Power C. Gain D. Polarization

Last Answer : C. Gain

Description : If the radiated power increase 10.89 times, the antenna current increases by ______. A. 3.3 times B. 6.6 times C. 1.82 times D. 10.89 times

Last Answer : A. 3.3 times

Description : How will you increase the gain of an antenna? A. By adding several antennas in parallel B. By focusing the radiated energy in one desired direction C. By making antenna rods thicker D. By making the antenna size larger

Last Answer : B. By focusing the radiated energy in one desired direction

Description : What determines antenna polarization? A. The frequency of the radiated wave B. The direction of the radiated wave C. The direction of the magnetic field vector D. The direction of the electric field vector

Last Answer : D. The direction of the electric field vector

Description : If the antenna increases 3.3 times how much does the radiated power increase? A. 3.3 times B. 10.89 times C. 9.9 times D. 6.6 times

Last Answer : B. 10.89 times

Description : In the American standard, the aural transmitter maximum radiated power is _____ of peak visual transmitter power. A. 10 % B. 30 % C. 20 % D. 40 %

Last Answer : C. 20 %

Description : What is the effective radiated power of a repeater with 200 watts transmitter power output, 4 dB feline loss, 4 dB duplexer and circulator loss, and 10 dB antenna gain? A. 317 W B. 2000 W C. 126 W D. 260 W

Last Answer : A. 317 W