Related Questions

Which of the reception problems below that is not due to multipath?
A Delayed spreading
B Rayleigh fading
C Random Doppler shift
D Slow fading
It is found that a ship to ship communication suffers from fading. This can be avoided by using
A Space diversity
B Frequency diversity
C Broad band antenna
D Directional antenna
Tropospheric scatter propagation is not subject to any fading.
A True
B False
In microwave communication links, when fading due to rain attenuation occurs then technique adopted for solving the problem would include
A Antenna replacement and feed correction
B Amplitude timing and phase correction
C Polarization shifting and code diversity
D Path diversity and frequency diversity
Rainfall is an important factor for fading of radio waves at frequencies above
A 10 GHz
B 100 GHz
C 1 GHz
D 100 MHz
Color of brass changes from yellow to __________ after its dezincification which exemplifies selective leaching.
A Grey
B Red
C Orange
D Violet
receptor blockade effects of non-selective blockers include
A Cold extremities
B Bronchoconstriction in asthmatic patient
C Bradycardia
D Hypoglycemia
E Postural hypotension
Selective - blocking drugs are
A Metoprolol
B Atenolol
C Propranolol
D Phentolamine
E Prazosin
কেন্দ্রীয় ব্যাংকের ঋণ নিয়ন্ত্রণের নির্বাচনমূলক (Selective) পদ্ধতি কোনটি?
A ব্যাংক হার নীতি
B খোলা বাজার
C জমার হার পরিবর্তন
D ঋণের বরাদ্দকরণ নীতি
The frequency generated by each decade in a direct frequency synthesizer is much higher than the frequency shown; this is done to
A Reduce the spurious frequency problem
B Increase the frequency stability of the synthesizer
C Reduce the number of decades
D Reduce the number of crystals required

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