Related Questions

In an SHF pulsed radar set, a reflex klystron can be used as a
A Single mixer stage
B Local oscillator
C Transmitter oscillator
D Duplexer stage
When it is desired that short-range targets be clearly seen on a pulsed-radar set, it is important that the receiver and display system have
A A long time constant
B Low-pass filters
C The shortest possible time
D The restricted high-frequency response
In a pulsed radar set, the function of the duplexer is to
A Aid in calibrating the display unit
B Prevent frequency drift in the klystron
C Allow the transmitter and the receiver to operate from a common antenna
D All of these
To achieve good bearing resolution when using a pulsed-radar set, an important requirement is
A A narrow, antenna-beam width in the vertical plane
B A narrow, antenna-beam width in the horizontal plane
C A low repetition rate
D A high duty cycle
A thin layer of dirt and grime coverts the reflecting surface of the parabolic dish of a radar set. The particular effect on the performance of the radar will be
A A decrease in range
B A reduction in horizontal resolution
C No noticeable effect
D A decrease in gain
চিত্রে STC রেখার a বিন্দুতে TVC কত টাকা? 
A 100
B 150
C 200
D 250
STC = কত? 
A STC = AVC+AFC
B STC = TFC + TVC
C STC = TFC + AVC.
D STC-AC + AVC
স্বল্পকালে STC = কত?
A TFC + AVC
B TFC + TVC
C TVC + AFC
D TC + TVC
Of 30 integers, 12 are in set A , 22 are in set A , 22 are in set B , and 7 are in both set A and B. How many of the integers in NITTHER set A nor set B?
A 4
B 1
C 3
A PPI cathode-ray tube as used on a radar set
A Is used to check the percentage of modulation
B Indicates both the range and azimuth of a target
C Indicates only the range of a target
D Is used for receiver alignment

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