A velocity receiver (also known as a velocity sensor) is a type of sensor that responds to the speed of movement, rather than absolute position. These...
6 KB (824 words) - 04:57, 26 November 2024
The Close Quarter Battle Receiver (CQBR) is a replacement upper receiver for the M4A1 carbine developed by the US Navy. The CQBR features a 10.3 in (262 mm)...
17 KB (2,039 words) - 19:07, 25 May 2025
List of sensors (section Flow, fluid velocity)
Ultrasonic thickness gauge Ultra-wideband radar Variable reluctance sensor Velocity receiver Magnetic sensor Charge-coupled device CMOS sensor Angle–sensitive...
12 KB (1,031 words) - 09:13, 25 February 2025
Doppler effect (section Velocity profile measurement)
frequency. For waves that propagate in a medium, such as sound waves, the velocity of the observer and of the source are relative to the medium in which the...
34 KB (4,295 words) - 16:36, 3 June 2025
distance (ranging), direction (azimuth and elevation angles), and radial velocity of objects relative to the site. It is a radiodetermination method used...
103 KB (12,058 words) - 03:29, 29 May 2025
Special relativity (redirect from Relativistic velocities)
speed of light in vacuum, no matter the motion (velocity, acceleration, etc.) of the light emitter or receiver or its frequency, wavelength, direction, polarization...
187 KB (25,046 words) - 15:25, 3 June 2025
Wind speed (redirect from Wind velocity)
due to Earth's rotation. The meter per second (m/s) is the SI unit for velocity and the unit recommended by the World Meteorological Organization for reporting...
16 KB (1,981 words) - 21:08, 10 May 2025
the receiver is stationary with respect to the medium, and the source is moving directly away from the receiver at a speed of vs for a velocity parameter...
132 KB (19,765 words) - 09:00, 3 June 2025
provide position, velocity and time (of the receiver). GNSS receivers have been traditionally implemented in hardware: a hardware GNSS receiver is conceived...
14 KB (1,670 words) - 20:26, 23 April 2025
Doppler radar is a specialized radar that uses the Doppler effect to produce velocity data about objects at a distance. It does this by bouncing a microwave...
26 KB (3,269 words) - 01:34, 7 November 2024
to their velocity. Note that this speed of 3874 m/s is measured relative to Earth's center rather than its surface where the GPS receivers (and users)...
37 KB (5,051 words) - 19:26, 16 May 2025
the receiver r {\displaystyle r} and the source s {\displaystyle s} are moving away from each other, v {\displaystyle v} being the relative velocity and...
47 KB (5,733 words) - 20:03, 22 May 2025
Transmitter transmitted energy Receiver backscattered energy, containing much information about the backscatterer Continuous-wave radar (CW radar) is a...
26 KB (3,814 words) - 17:05, 25 May 2025
Pulse-Doppler radar (section Velocity measurement)
Doppler effect of the returned signal to determine the target object's velocity. It combines the features of pulse radars and continuous-wave radars, which...
33 KB (4,372 words) - 14:49, 30 October 2024
in a new sideband position, revealing the velocity to the receiver. The maximum unambiguous target velocity is given by: ± c P R F 4 f {\displaystyle...
26 KB (3,753 words) - 12:16, 30 May 2025
requires high-velocity ammunition for reliable functioning. The manufacturers recommend use of 40-grain (2.6 g) round nose bullets in high-velocity loadings...
17 KB (2,349 words) - 23:39, 9 April 2025
the receiver, but not the distance down to the reflector. In the simplest geological setting, with a single horizontal reflector, a constant velocity and...
16 KB (1,976 words) - 19:39, 23 May 2025
.22 long rifle (section Standard velocity)
40-grain (2.6 g) bullet, giving it a longer overall length, a higher muzzle velocity and superior performance as a hunting and target round, rendering the ...
40 KB (4,714 words) - 16:42, 22 April 2025
An ultrasonic pulse velocity test is an in-situ, nondestructive test to check the quality of concrete and natural rocks. In this test, the strength and...
12 KB (1,122 words) - 22:55, 27 May 2025
ADV system equipped with N receivers records simultaneously 4.N values with each sample. That is, for each receiver, a velocity component, a signal strength...
9 KB (947 words) - 04:53, 11 March 2024
ArmaLite AR-15 was designed to be a lightweight rifle and to fire a new high-velocity, lightweight, small-caliber cartridge to allow infantrymen to carry more...
43 KB (4,565 words) - 02:27, 30 January 2025
Speed of light (redirect from Velocity of light)
speed of light is the same for all observers, no matter their relative velocity. It is the upper limit for the speed at which information, matter, or energy...
140 KB (14,707 words) - 22:31, 5 June 2025
suffer the predicted time delays. Receiver functions contain detailed information on the average seismic velocities within the crust and on the depth...
9 KB (1,201 words) - 14:32, 29 July 2024
combination of factors including the velocity above the reflector, offset, dip of the reflector and the source receiver azimuth in relation to the dip of...
3 KB (441 words) - 13:15, 15 March 2023
Mk 12 Special Purpose Rifle (redirect from Special Purpose Receiver)
weapons. SPR initially stood for Special Purpose Receiver as it referred to an add-on upper receiver assembly (part of the proposed SOPMOD upgrades),...
20 KB (2,258 words) - 15:50, 7 May 2025
Seismic data acquisition (section Receiver type)
velocity and density contrasts across interfaces of layers of rock or sediments as energy travels from a source through the subsurface to a receiver or...
14 KB (1,713 words) - 17:34, 9 November 2024
Acoustic Doppler current profiler (redirect from Doppler Velocity Log)
to the water velocity along the acoustic path. To measure 3D velocities, at least three beams are required. In rivers, only the 2D velocity is relevant...
11 KB (1,486 words) - 16:11, 8 June 2024
equipment guide: Cold or factory The receiver is missing or has inaccurate estimates of its position, velocity, the time, or the visibility of any of...
4 KB (427 words) - 14:53, 18 August 2024
hydrocarbon exploration. The velocity is calculated by measuring the travel time from the piezoelectric transmitter to the receiver, normally with the units...
6 KB (941 words) - 01:28, 7 May 2025
Range gate pull-off (redirect from Velocity gate pull-off)
velocity gate pull-off (VGPO) can be used. These send a return signal that slowly changes in frequency, rather than time, hoping the radar's velocity...
10 KB (1,555 words) - 14:04, 26 May 2025