31. Fourier transform is :
(a) invented by Fourier
(b) used to convert a frequency variable into time domain
(c) not an operation
(d) an operation containing integration
32. ECCM is :
(a) Electronic Counter Counter Measure
(b) Electronic Communication Counter Meter
(c) Electrical Counter Communication Measure
(d) Electrical Communication Critical Measure
33. Radar cross-section is expressed in :
(a) m
(b) m^2
(c) m^3
(d) watt/m^2
34. Most of the weather radars use :
(a) linear polarization
(b) circular polarization
(c) horizontal polarization
(d) vertical polarization
35. Cross-range has the units of :
(a) m
(b) m^2
(c) degree
(d) m/s
Related Posts
Introduction To Radar » Exercise - 112. Radar S-band is : (a) 4 GHz – 8 GHz (b) 2 GHz – 4 GHz (c) 8 GHz – 12 GHz (d) 12 GHz - 18 GHz- Introduction To Radar » Exercise - 12. Radar X-band is : (a) 8 GHz - 12 GHz (b) 4 GHz - 8 GHz (c) 2 GHz - 4 GHz (d) 1 GHz – 2 GHz
- Introduction To Radar » Exercise - 120. Radar Ku band is : (a) 8 GHz - 12 GHz (b) 12 GHz – 18 GHz (c) 1 GHz – 2 GHz (d) 4 GHz – 8 GHz
- Advanced Radars » Exercise - 116. 'MST' radar operates : (a) at 40 GHz (b) at 100 GHz (c) at 100 Hz (d) in MHz range
- Introduction To Radar » Exercise - 19. 40 GHz 300 GHz band is used in : (a) satellites (b) radar experiments (c) police radios (d) televisions