Question

Tracking of extra terrestrial objects requires

a.

high transmitting power

b.

very sensitive receiver

c.

fully steerable antenna

d.

all of the above

Answer: (d).all of the above

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. Tracking of extra terrestrial objects requires

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. Assertion (A): Free space does not interfere with normal radiation and propagation of radio waves

Reason (R): Free space has no magnetic or gravitational fields.

Q. Which of the following is taken as reference antenna for directive gain?

Q. Push pull amplifier is

Q. When the channel is noisy, producing a conditional probability of error p = 0.5; the channel capacity and entropy function would be, respectively,

Q. In CCIR-B system, the time between start of one H syn. pulse and next is

Q. Counterpoise is used in coils having

Q. In standing wave pattern on a transmission line

Q. If the bandwidth is increased by 2, the γFM γAM (where γ is the ratio of SNR of output to SNR at input, FM is frequency modulation and AM is amplitude modulation) is increased by a factor of

Q. A carrier wave carries information.

Q. Frequency shift keying is used mostly in

Q. A generator is feeding power to a transmission line of characteristic impedance Z0. The line is terminated in impedance ZL. Standing waves will be set up if

Q. In sound recording the degree of pre-emphasis is about 6 dB/ octave.

Q. Space wave may be a direct wave or wave reflected from earth.

Q. Radio broadcasts are generally

Q. If the frequency of a wave 20 Hz, the time period is

Q. In radar systems PRF stands for

Q. Which of the following cannot be the Fourier series expansion of a periodic signal?

Q. Which of the following is the indirect way of FM generation?

Q. A telephone exchange has 9000 subscribers. If the number of calls originating at peak time is 10, 000 in one hour, the calling rate is

Q. A cordless telephone using separate frequencies for transmission in base and portable units is known as

Recommended Subjects

Are you eager to expand your knowledge beyond Electronics and Communication Engineering? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!