Question is ⇒ If the target cross-section is changing, the best scanning system for accurate tracking is, Options are ⇒ (A) lobe switching, (B) monopulse, (C) sequential lobing, (D) conical scanning, (E) , Leave your comments or Download question paper.

Question is ⇒ If the target cross-section is changing, the best scanning system for accurate tracking is, Options are ⇒ (A) lobe switching, (B) monopulse, (C) sequential lobing, (D) conical scanning, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	If the target cross-section is changing, the best scanning system for accurate tracking is
A.	lobe switching [Wrong Answer]
B.	monopulse [Correct Answer]
C.	sequential lobing [Wrong Answer]
D.	conical scanning [Wrong Answer]
View Answer 3 -2 Explanation:- Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

Previous question Next question

Also Read Similar Questions Below :

⇒ Hall effect is observed in a specimen when it is carrying current and is placed in a magnetic field. The resulting electric field inside the speciment will be in
direction normal to both current and magnetic field
the direction of current
direction antiparallel to magnetic field
an arbitrary direction depend upon conductivity

⇒ For making a capacitor, the dielectric should have
high ∈_r
low ∈_r
∈_r = 1
∈_r neither too high nor too low

⇒ The bidirectional pattern of a broadside array can be converted into unidirectional by
maintaining the distance of λ/4 between the elements
maintaining the distance of λ/2 between the elements
installing an identical array behind the main array at distance λ/4 and exciting it by current leading in phase by 90°
installing an identical array behind the main array at distance λ/2 and exciting it by current leading in phase by 120°

⇒ In crystalline solids, atoms are stacked in a regular manner.
TRUE
FALSE

⇒ Multiphase choppers are used in
low power circuits
high power circuit
both low and high power circuits
medium power circuits

⇒ The length of character constant P . b b . E . b C . is
9
6
10
7

⇒

Match the following:

	List I		List II
A.	CTFS	1.	Periodic
B.	DTFS	2.	Non-periodic
C.	CTFT
D.	DTFT

A-2, B-1, C-2, D-2
A-2, B-1, C-2, D-1
A-1, B-2, C-2, D-2
A-1, B-2, C-2, D-1

⇒ Which of the following is not a valid variable name in C?
p_ce1
1p_ce
p1_ce
p _ced

⇒ Consider the following state
1 only
1 and 2
2 only
3 only

⇒ Ground wave propagation is useful for
microwave
medium wave
short wave
long distance

⇒ In AM, the modulation envelope has a peak value double the unmodulated carrier level, when the modulation is
0.25
0.33
0.5
1

⇒ In the fabrication of n-p-n transistor in an IC, the buried layer on the P-type substrate is
P⁺ -doped
n⁺ -doped
used to reduce the parasitic capacitance
located in the emitter region

⇒ In figure, V_{AB6 V
10 V
25 V
40 V}

⇒ The polarization of dielectric materials results in
production of eddy currents
creation of electric dipoles
absorption of electrons
release of high velocity protons

⇒ The Wheatstone bridge method of measuring resistance is ideally suited for the measurement of resistance values in the range of
0.001 to 1 Ω
0.1 to 100 Ω
100 Ω to 10 kΩ
100 kΩ to 10 MΩ

⇒ In a 4 bit ripple counter using flip flops with t_pd = 40 ns, the maximum frequency can be
1.25 MHz
3.25 MHz
6.25 MHz
12.5 MHz

⇒ For H(s) to be positive real, the condition Re[H(jω)] ≥ 0 for 0 ≤ ω ≤ ∞ is
a necessary condition
a sufficient condition
a necessary and sufficient condition
is not a necessary condition

⇒ A channel has a SNR of 7 and BW 4 kHz. Keeping the channel capacity (BPS) same, the BW is reduced to accommodate more channels. The SNR
decreases
increases
remains same
partially affected

⇒ In a radio receiver, if the intermediate frequency is too high
Selectivity will be poor
Tracking difficulties will be least
Adjacent channel rejection will improve
All of the above will occur

⇒ Which of the following theorems is a manifestation of law of conservation of energy?
Tellegen's theorem
Reciprocity theorem
Thevenin's theorem
Norton's theorem

⇒ For a quadratic factor in denominator of transfer function the phase angle at corner frequency (in Bode phase angle plot)
is -90°
is +90°
depends on the damping factor
none of the above

⇒

Match the following:

	List I		List II
A.	Interface	1.	A measure of rate of data transmission
B.	A bit	2.	A binary digit
C.	Band speed	3.	The common boundary between various sections and subsections
		4.	A/D converter

A-3, B-2, C-1
A-3, B-1, C-2
A-2, B-4, C-1
A-4, B-2, C-3

⇒ The synthesis of minimum function was suggested by
O'Brune
R. Richards
Bott and Duffin
none of the above

⇒ Which of the following is same in AM and FM receivers?
Demodulator
AGC
IF amplifier
All of the above

⇒ A fascimile reproduction has a specification of 200 lines per frame, progressive scanning and 5 frames per second. The time to scan one line is
5 ms
2.5 ms
1 ms
0.1 ms

⇒

Assertion (A): A small section of high impedance line is equivalent to a series inductance.

Reason (R): A small section of a low impedance line is equivalent to a series resistance.

Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is correct but R is wrong
A is wrong but R is correct

⇒ In major diatonic musical scale, an octave is divided into
12 intervals
10 intervals
7 intervals
5 intervals

⇒ The derivative of unit step function is
unit impulse
ramp with slope 1
impulse
either (a) or (b)

⇒ In the circuit shown in the figure the power dissipated in 30 Ω resistor will be maximum if the value of
30 Ω
10 Ω
9 Ω
zero

⇒ Karnaugh map is used to
minimise the number of flip flops in a digital circuit
minimise the number of gates only in a digital circuit
minimise the number of gates and fan in a digital circuit
design gates