Image
from article Surveillance radar
Search Results
Search Results
Refine this search
Search result paging links
152 results
Image
from article Automatic landing system
Schematic of radar-beam system for aircraft-carrier and shore applications.
Image
from article Altimeter
Schematic arrangement of sensitive pressure altimeter. 1 ft = 0.3 m.
Image
from article Altimeter
Radar altimeter principles. (a) Ideal return power distribution, which would be observed if the signal came only from the closest point to the radar. (b) Typical distribution of average returned power as a function of distance from the radar. (c)…
Image
from article Altimeter
Block diagrams of typical radar altimeters. (a) Automatic pulse altimeter. Control, tracking, and output circuits may all be digital. (b) Servo-adjusted-sweep FM altimeter.
Image
from article Doppler VOR
Collocation of Doppler VOR and TACAN beacons installed on 100-foot high (30-m) tower with a counterpoise of 119-ft (36-m) diameter in forest near Frankfurt, Germany. Circular array consists of 39 loop antennas fed by solid-state commutator. Center…
Image
from article Doppler VOR
Principle of Doppler VOR beacon. Reference signal R and bearing signal V which is generated by dipole d are shown as they would be measured in aircraft to the north, east, south, and west of the beacon. (a) Dipole d at 180°. (b) Dipole d at 270°.…
Image
from article Doppler VOR
Comparison of radial flight recordings. (a) From VOR installation. (b) From DVOR installation. Both experimental beacons were located at same unfavorable site. Plane is flying constant course at bearing of 133° from beacons at 4000-ft (1.2-km)…
Image
from article Inertial navigation system
Elementary accelerometer.
Image
from article Inertial navigation system
Computation of distance by two integrations. Integration of acceleration gives velocity; integration of velocity gives distance.
