Description : What type of radar transmitter power is measured over a period of time?
Last Answer : Average power.
Description : Radar surface-angular measurements are referenced to true north and measured in what plane?
Last Answer : Horizontal plane.
Description : Non-passing sight distance along a road is the longest distance at which the driver of a moving vehicle, may see an obstacle on the pavement (A) 10 cm high (B) 25 cm high (C) 50 cm high (D) 100 cm high
Last Answer : Answer: Option A
Description : In addition to recovery time, what determines the minimum range of a radar set?
Last Answer : Pulse width
Description : What do you have to do to totally drop out of sight? To just disappear from the radar of human society?
Last Answer : Throw away the phone, bag up some supplies and head to the Caribbean. Plastic surgery helps too.
Description : Rotation of an rf-feed source to produce a conical scan pattern is identified by what term?
Last Answer : Nutation.
Description : What term is used to describe the ability of a radar system to distinguish between targets that are close together?
Last Answer : Target resolution
Description : A Target market is 1. entire country 2. entire city 3. entire globe 4. that which consists of customers who need the identified product 5. all of these
Last Answer : that which consists of customers who need the identified product
Description : A Target Market is 1. entire country 2. entire city 3. entire globe 4. that which consists of customers who need the identified product 5. all of these
Description : When the right combination of circumstances occurs at the right time to allow an organisation to take action toward a target market, the firm has identified a A)market objective. B)market requirement. C)strategic market plan. D)market opportunity. E)corporate objective.
Last Answer : D)market opportunity.
Description : What determines the ability of radar to determine the bearing to a target? A. Speed of light B. Speed of target C. Antenna directivity D. Frequency of signal
Last Answer : C. Antenna directivity
Description : A Doppler Radar operating at 15 GHz is viewing a target moving directly towards it at the speed of 25 m/s. The Doppler frequency shift
Last Answer : A Doppler Radar operating at 15 GHz is viewing a target moving directly towards it at the speed of 25 m/s. The Doppler frequency shift 2.5 KHz
Description : To set out a parallel from a given inaccessible point to a given line AB, the following observations are made: Distance AB and angle PAM = a and angle PBA = b are measured where M is a point on the line BA produced. The ... cos b - cos a) (C) AB/(cot a - cot b) (D) AB/(cot a - cos b)
Last Answer : (A) AB/(cot b - cot a)
Description : What is the maximum line-of-sight distance between a paging antenna 250 ft high and a pager receiver 3.5ft of the ground? A. 25 km B.25mi C. 70.73 km D. 70.73 mi
Last Answer : B.25mi
Description : Thegroundwave eventuallydisappears, as onemoves awayfromthetransmitter, because of a. interference from the sky wave b. loss of line-of-sight conditions c. maximumsingle-hop distance limitation d. tilting
Last Answer : d. tilting
Description : How is the collector lead identified on an oval-shaped transistor?
Last Answer : By the wide space between the collector lead and the other two leads (emitter and base)
Description : Why must cables and wires be identified?
Last Answer : To provide the technician with a means to trace the wires when troubleshooting and repairing electrical and electronic systems.
Description : . What is the normal source of dry air for a radar system?
Last Answer : Ship's central dry-air system
Description : The peak power of a radar depends on the interrelationship of what other factors?
Last Answer : Average power, pulse width, and prt.
Description : The ideal radar spectrum has what relationship to the carrier frequency?
Last Answer : Symmetrical above and below the carrier frequency.
Description : The spectrum of a radar transmitter describes what characteristic of the output pulse?
Last Answer : Frequency distribution
Description : Which of the two types of automatic gain control, agc or iagc, is most effective in radar use for the Navy?
Last Answer : IAGC.
Description : What IF frequencies are normally used in radar receivers
Last Answer : Thirty or sixty megahertz.
Description : What type of receiver is most often used in radar systems?
Last Answer : Superheterodyne.
Description : What type of modulator is most commonly used in modern radar systems?
Last Answer : Line-pulsed.
Description : In an externally synchronized radar, what determines the prr of the transmitter?
Last Answer : The master oscillator.
Description : What type of multivibrator can be used as a radar master oscillator?
Last Answer : Free-running.
Description : A self-synchronized radar system obtains timing trigger pulses from what source?
Last Answer : Transmitter.
Description : What is the purpose of the majority of circuits in a radar system?
Last Answer : Timing and control.
Description : What is the purpose of the synchronizer in a radar system?
Last Answer : Controls system operation and timing.
Description : Which of the two general classes of antennas is most often used with radar?
Last Answer : Directional.
Description : What radar scope uses a range step for range measurement?
Last Answer : The A scope.
Description : Range-marker generators produce pulses based on what radar constant?
Last Answer : The radar mile (12.36 microseconds).
Description : What type of ranging circuit is most often used with a radar that requires extremely accurate range data?
Last Answer : Range gate or range step.
Description : What are the required radar inputs for proper indicator operation?
Last Answer : Triggers, video, and antenna information.
Description : What are the three fundamental quantities involved in radar displays?
Last Answer : Range, bearing, and elevation.
Description : Which beam of missile-guidance radar is very wide?
Last Answer : Capture beam.
Description : What width is the pulse radiated by fire-control tracking radar?
Last Answer : Very narrow.
Description : Tracking radar searches a small volume of space during which phase of operation?
Last Answer : Acquisition.
Description : Fire-control tracking radar most often radiates what type of beam?
Last Answer : A narrow circular beam.
Description : Why is the range capability of 3D radar usually less than the range of 2D radar?
Last Answer : Higher operating frequency
Description : What position data are supplied by 2D search radar?
Last Answer : Range and bearing.
Description : Air-search radar is divided into what two basic categories?
Last Answer : 2D and 3D.
Description : What is the shape of the beam of a surface-search radar?
Last Answer : Wide vertically, narrow horizontally.
Description : What limits the maximum range of a surface-search radar?
Last Answer : Radar horizon.
Description : A surface-search radar normally scans how many degrees of azimuth?
Last Answer : 360 degrees.
Description : Radar altimeters use what type of transmission signal?
Last Answer : Frequency modulated (fm).
Description : What type of radar provides continuous range, bearing, and elevation data on an object?
Last Answer : Track radar.
Description : The Doppler variation is directly proportional to what radar contact characteristic?
Last Answer : Velocity.