Microwave Communication A PPI cathode-ray tube as used on a radar set Is used for receiver alignment Is used to check the percentage of modulation Indicates both the range and azimuth of a target Indicates only the range of a target Is used for receiver alignment Is used to check the percentage of modulation Indicates both the range and azimuth of a target Indicates only the range of a target ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What do you call an attenuation that occurs over many different wavelengths of the carrier? Rician fading Wavelength fading Slow fading Rayleigh fading Rician fading Wavelength fading Slow fading Rayleigh fading ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Microwave frequencies are normally regarded as those in the range of 1 to 500 MHz 1 to 100 GHz 1000 to 10,000 GHz 10 to 1000 GHz 1 to 500 MHz 1 to 100 GHz 1000 to 10,000 GHz 10 to 1000 GHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What ferrite device can be used instead of duplexer of isolate microwave transmitter and receiver when both are connected to the same antenna? Isolator Circulator Simplex Magnetron Isolator Circulator Simplex Magnetron ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following is used as an oscillator device in the SHF band? Both B and C Thyratron tube Klystron tube Tunnel diode Both B and C Thyratron tube Klystron tube Tunnel diode ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication If the duration of the radar transmitted pulse, on a particular range of operation, is increased, the required bandwidth of the receiver’s IF amplifiers Must be doubled Must remain as before Must be increased May be decreased Must be doubled Must remain as before Must be increased May be decreased ANSWER DOWNLOAD EXAMIANS APP
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