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...

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)...

Ultrasonic thickness gauge Ultra-wideband radar Variable reluctance sensor Velocity receiver Magnetic sensor Charge-coupled device CMOS sensor Angle–sensitive...

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...

speed of light in vacuum, no matter the motion (velocity, acceleration, etc.) of the light emitter or receiver or its frequency, wavelength, direction, polarization...

distance (ranging), direction (azimuth and elevation angles), and radial velocity of objects relative to the site. It is a radiodetermination method used...

provide position, velocity and time (of the receiver). GNSS receivers have been traditionally implemented in hardware: a hardware GNSS receiver is conceived...

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...

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...

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...

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...

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)...

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...

crowdsourced information gathered by volunteers with ADS-B receivers and from satellite-based ADS-B receivers. The service is available via a web page or mobile...

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...

suffer the predicted time delays. Receiver functions contain detailed information on the average seismic velocities within the crust and on the depth...

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 ...

Muzzle velocity figures are for Sheridan's standard weight pellets of 14.3 grains.) Model A (Super) (1947–1953) Total Production: 2130 Velocity: Variable...

requires high-velocity ammunition for reliable functioning. The manufacturers recommend use of 40-grain (2.6 g) round nose bullets in high-velocity loadings...

Velocity Winchester Super X High Velocity Model 795-blued steel barrel and receiver Model 795SS-stainless steel barrel and receiver Model 795LTR (LTR stood for...

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...

weapons. SPR initially stood for Special Purpose Receiver as it referred to an add-on upper receiver assembly (part of the proposed SOPMOD upgrades),...

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...

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...

lighter than the fully steel receiver of the original Galil. While the upper receiver is machined steel and the receiver top features a MIL-STD-1913 Picatinny...

its time signals for relativistic effects: one for relative velocity of satellite and receiver, using the special theory of relativity, and one for the difference...

Seismic velocity structure is the distribution and variation of seismic wave speeds within Earth's and other planetary bodies' subsurface. It is reflective...

the receiver, but not the distance down to the reflector. In the simplest geological setting, with a single horizontal reflector, a constant velocity and...

Transmitter transmitted energy Receiver backscattered energy, containing much information about the backscatterer Continuous-wave radar (CW radar) is a...

hydrocarbon exploration. The velocity is calculated by measuring the travel time from the piezoelectric transmitter to the receiver, normally with the units...